Aikyam-Lab/Synoptic-Bench huggingface dataset:
Warming continued today as the upper ridge built in from the coast. Some thin high clouds are revealing the leading edge of the upper ridge axis this evening, otherwise we'll see clear skies overnight. Rain and snow showers will spread throughout the area, with slightly cooler temperatures and breezy southerly winds.
Some spots may drop to freezing Sunday night across the northwest. /NEW/ /Overnight through Monday/ Water vapor imagery shows our upper trough finally ejecting eastward after several days of unsettled weather. Highs will struggle to make it into the low 50s with continued north winds. Temperatures may fall to freezing in a few locations with mid/upper 30s elsewhere. High pressure will continue to build into the Southern Plains on Monday with sunny skies expected and light north winds.
236 AM MDT Sun Apr 6 2025 KEY MESSAGES: - Warm and dry again Sunday due to a ridge of high pressure - Cold front brings precipitation and breezy winds on Monday.
Early morning satellite imagery captures a once consolidated trough continuing to become latitudinally elongated across the southern tier of the CONUS. The belt of strongest flow, and associated upper low, are currently placed across portions of Oklahoma/Texas. Overnight tonight, there is concern for at least patchy freezing/sub- freezing low temperatures across the area. The forecast has trended "warmer" compared to prior updates such that the profile of <32-degree low temperatures continues to gradually shrink.
Broad high pressure aloft is continuing to ridge across Florida today and will gradually shift east through Monday, while in the low levels, the sub tropical ridge axis extends from the Atlantic across the Florida Peninsula. This stacked ridging will keep the very warm air mass in place, with afternoon temperatures running several degrees above normal and continuing to flirt with record levels both afternoons. Relief from the heat is on the way, however, with a deep trough forecast to dig into the southeastern US by Monday night, dragging a cold front into the Florida Peninsula.
This rather benign pattern will continue through today into tomorrow as an upper level ridge persists over the region. Highs today will reach into the upper 50s into the low 60s with some breezy northwest winds developing over northwestern SD.
- One final rain chance swings through on Monday ahead of a cold front.
A shearing upper level low will move east across the mid south during the day today and this evening, and will promote light precipitation, with the greatest coverage across northern sections of the forecast area.
A sprawling high pressure remains in control across the southwest Atlantic. Moisture continues to remain limited to the lowest 3-4 thousand feet with just some fast moving strato cu passing through. Conditions are on the muggy side with current temperatures still in the upper 70s with dew points in the lower 70s. The high that has been dominating the region and giving us this latest prolonged period of windy conditions will slide eastward today.
* A trough brushes the region on Monday, bringing chances for precipitation in the Sierra and breezy winds areawide. Winds will become breezy along the Sierra ridges, with gusts between 60-80 mph.
A ridge will build into the region and result in warmer temperatures and lighter winds today. Upper level ridging will build over the region today which will bring dry conditions, light winds, and warmer temperatures. On Monday, the ridge that tries to establishes itself over the region will be knocked down by a system moving through the Pacific Northwest. West to southwest winds will increase Monday afternoon in response to an increasing pressure gradient as the area of high pressure gets squished. The warm up continues on Monday as temperatures climb another 5-10 degrees warmer than today's temperatures.
Some spots may drop to freezing Sunday night across the northwest. /Issued 1139 PM CDT Sat Apr 5 2025/ /Overnight through Monday/ Water vapor imagery shows our upper trough finally ejecting eastward after several days of unsettled weather. Highs will struggle to make it into the low 50s with continued north winds. Temperatures may fall to freezing in a few locations with mid/upper 30s elsewhere. High pressure will continue to build into the Southern Plains on Monday with sunny skies expected and light north winds.
- Much cooler weather is moving in, with rain expected to mix with or briefly change over to snow late tonight into Sunday morning across northeast OK and far northwest AR. The upper trough over the Southwest that has brought the active weather to the Plains the past few days is finally on the move to the east. The chances of precipitation ramp up again later this evening and into Sunday morning as the main upper level low currently spinning over New Mexico moves across the area.
-Scattered showers and cooler temperatures are on tap for today.
Next low pressure system approaches our region from the Great Lakes tonight into Monday and Monday night.
(Today through Monday) The most recent surface analysis indicated a cold front over the western Gulf of America and completely through the BRO CWFA. Finally, a High Surf Advisory remains in effect for the local beaches today due to elevated seas along the Lower Texas Coast, with a High Risk of rip currents also in effect until around sunset Monday.
Breezy northerly winds will decrease throughout the afternoon and evening as ridging pushes into the region. This ridge will result in warmer temperatures and lighter winds by Sunday. Today's maximum wind gusts for most locations were between 25 and 35 mph, while the highest in the Colorado River Valley were between 30 and 40 mph. Tonight's weather will feature light winds and near to below average temperatures, which for Las Vegas means lows in the low 50s.
Surface temperatures will remain near or just above freezing tonight into Sunday morning and ground temperatures remain very warm. This band could produce higher snowfall rates and lead to light snow accumulations on bridges initially. Clouds diminish initially over northwest and west-central Oklahoma tomorrow morning as the H500 trough axis passes.
1007 PM PDT Sat Apr 5 2025 High pressure will deliver warmer temperatures for Sunday in the mid 60s to mid 70s.
(Today through Monday night) The center of the upper level low exits our CWA to the east, and the last of it's affects will transpire today. Morning lows should still be below freezing for most areas Sunday night into Monday morning. As a ridge of high pressure builds overhead, temperatures will continue to rise on Monday.
- Cold front moves through by daybreak Monday with a few clouds.
The warm front that has been the axis of almost all significant weather the last 48 hours has finally started to back out to the SW this afternoon and evening to the east. As the low pressure system moves to the east there will be some wrap around rain along the occluded boundary over NW Arkansas. The more significant aspect of this frontal boundary may be a quick shot of rain/snow when colder air drops the freezing level to 800-1000ft. It will be cold though for early April with wind chills below freezing Sunday morning. As the ridging builds into the area and ends this very long week of active weather there will be one shot of winter like air for the area. Northern Arkansas will see temps right around to under freezing, especially in far NW Arkansas.
Probabilities favor trace amounts but there is a 10% chance for up to half and inch on the high end based on ensemble data. - Near and below freezing temperatures set up early this morning mainly along and north of I-70.
A cold front will bring heavy rain and the chance for thunderstorms late Sunday through Monday.
Another day of below normal temperatures is forecast Sunday north of US Hwy 2, while near to slightly above normal temperatures set up south of the Highway. A secondary weak clipper and trailing cold front again drops southward through the Arrowhead and into the South Shore Sunday night into Monday morning.
Cold front accelerated this morning and moved off the lower Texas around Noon. Cooler and drier air is filtering into Deep South Texas with a colder surge of high pressure arriving tonight. The second surge also brings in deeper moisture and a slight chance of convection mainly over the Lower RGV and the coastal waters later this evening and overnight. A lingering upper trough over Texas aids in the energy needed to initiate a few updrafts that may produce isolated showers or even a thunderstorm.
(This evening through Sunday) Water vapor satellite shows an upper low drifting over NM while visible satellite imagery shows widespread post-frontal low clouds moving down in the gusty northerly low-level/surface winds. This afternoon through the mid evening, the trough axis will move across northwest TX and into OK, with medium to high (40-80%) chances for additional mainly light rain showers and potentially a few thunderstorms mainly across the northern Concho Valley and most especially in the Big Country. The low to mid level profile will be cold enough where some snow flurries could mix in with the rain in the Big Country this evening, but it'll be too warm at the surface for any accumulating snow except perhaps a trace on grass surfaces.
(Today and tonight) Any lingering wintry precipitation across the area will dissipate as a broad upper trough departs to the east. Lows this morning will fall below freezing for all but the southern Rolling Plains. Skies will clear overnight and all temperatures in the CWA should rise back above freezing by around 11AM. Light northerly winds in the wake of the trough will keep highs below normal despite the abundant sunshine, only reaching the 50s.
Post-frontal stratocumulus clouds were heading out over Lake Michigan this afternoon as high pressure pushed in from the west. A developing clipper system is expected to move through the region Sunday night into Monday, accompanied by a strong cold front.
The dense mid clouds have also acted like a blanket keeping minimum temperatures above forecast values over much of the area but as clouds thin early this morning, we could still see a few locations in central KS fall below freezing. Better chances for sub-freezing air may arrive tomorrow night and a freeze watch was issued.
504 AM PDT Sun Apr 6 2025 High pressure will deliver warmer temperatures for Sunday in the mid 60s to mid 70s.
Satellite image shows a cold front approaching the coast.
Some spots may drop to freezing tonight across the northwest. As the upper trough continues to pull off to the east later today, strong isentropic downglide will allow drying to take place and we'll see an erosion of the clouds from west to east. A few locations may drop to or just below freezing across the northwest. Otherwise, a sunny and warmer day is expected on Monday. Dunn Previous Discussion: /Overnight through Monday/ Water vapor imagery shows our upper trough finally ejecting eastward after several days of unsettled weather. Highs will struggle to make it into the low 50s with continued north winds. Temperatures may fall to freezing in a few locations with mid/upper 30s elsewhere. High pressure will continue to build into the Southern Plains on Monday with sunny skies expected and light north winds.
High pressure will maintain a warming trend through Monday. High pressure will bring a return to the warming trend for the latter part of the upcoming week.
627 AM CDT Sun Apr 6 2025 (Today through Monday) The most recent surface analysis indicated a cold front over the western Gulf of America and completely through the BRO CWFA. Finally, a High Surf Advisory remains in effect for the local beaches today due to elevated seas along the Lower Texas Coast, with a High Risk of rip currents also in effect until around sunset Monday.
High pressure will spread into the region early this week leading to a quick warm up and temperatures reaching above normal starting Monday.
357 AM MDT Sun Apr 6 2025 - High pressure will bring a sunny and warm day today.
304 AM MDT Sun Apr 6 2025 - Dry and calm weather today and tonight, and a bit warmer than yesterday. - Warmer and drier conditions persist through the extended, with increasing fire danger beginning midweek. Dry north winds will set in aloft behind the departing trough as high pressure begins to build into our area. Weather today will be calm and dry, with high temperatures in the 40s-50s over the high valleys and 50s-60s over the eastern plains. Upper ridge of high pressure over the Great Basin and Four Corners regions will flatten on Monday as another system pushes into the Pacific NW. Plan on highs in the 50s to around 60F for the high valleys, and 60s to near 70F for the plains.
Light northerly winds will stick around this afternoon as the low pressure system that brought showers yesterday continues to move eastward. High pressure will build across the Southwest through the week, bringing above normal temperatures through the period.
418 AM MDT Sun Apr 6 2025 - High pressure will bring a sunny and warm day today.
- An upper low will lift northeast into the area and bring a mix of rain and snow this morning and early afternoon. - Sub freezing temperatures are expected the next couple of nights.
A weak cold front later today into tonight will bring light rain chances to the North Bay.
The latest water vapor loop shows the center of the mid-level trough passing slowly over far southwest Oklahoma and encroaching on the Red River and radar shows a narrow zone of rain mixed with snow approaching the I-44 corridor. Early morning satellite imagery captures a once consolidated trough continuing to become latitudinally elongated across the southern tier of the CONUS. The belt of strongest flow, and associated upper low, are currently placed across portions of Oklahoma/Texas. Overnight tonight, there is concern for at least patchy freezing/sub- freezing low temperatures across the area. The forecast has trended "warmer" compared to prior updates such that the profile of <32-degree low temperatures continues to gradually shrink.
The cold front has pushed southeast of our CWA and the threat for any severe or additional heavy rain has ended. However, the positively tilted upper level trough axis will remain west of our CWA today and the resulting southwest flow aloft will continue to help maintain low chances of light rain across our CWA. Temperatures will be significantly cooler today beneath overcast skies.
314 AM MST Sun Apr 6 2025 High pressure will spread into the region early this week leading to a quick warm up and temperatures reaching above normal starting Monday.
Otherwise, conditions around the island chain are the same as yesterday with current temperatures near 80 and dewpoints in the lower 70s. KBYX radar notes a couple lines of light reflectivity across the Lower and Upper Keys with a few embedded shallow showers pulsing within. From synopsis, breezes will gradually slacken through this afternoon as a low pressure system deepens over the eastern United States.
As high pressure builds into the region tonight into tomorrow, any cloud cover is expected to move out of the area resulting in clear skies and slightly warmer temperatures tomorrow. As for Sunday night, temperatures are expected to drop into the lower to upper 40s.
This week will see a strong ridge of high pressure move into the area.
- A much colder air mass arrives behind a cold frontal passage today and lingers until mid-week.
254 AM PDT Sun Apr 6 2025 High pressure will deliver warmer temperatures for Sunday in the mid 60s to mid 70s.
5 inches, with the highest amounts north of Humboldt Bay and in the King Range. Trinity, Mendocino, and Lake counties are forecast to see anywhere from a few hundredths to a quarter inch, with locally higher amounts in the higher terrain. HREF is showing high probabilities for gusts exceeding 30 mph on the coastal headlands and ridges of Del Norte and Humboldt.
- The week ahead looks quiet for our area weather-wise, with temperatures much warmer overall and dry conditions. This means lows in the low 30s, so Freeze Warnings have been issued for most of West Central Texas, except for the mid 30s in Crockett, Nolan, Fisher, Jones and Taylor counties where Frost Advisories have been issued. Warming will occur Monday as the 850 mb thermal ridge strengthens and sunny skies prevail.
213 PM CDT Sun Apr 6 2025 The cold front has pushed southeast of our CWA and the threat for any severe or additional heavy rain has ended. However, the positively tilted upper level trough axis will remain west of our CWA today and the resulting southwest flow aloft will continue to help maintain low chances of light rain across our CWA. Temperatures will be significantly cooler today beneath overcast skies.
Northerly flow is currently in place over our region between a large upper low near Hudson Bay and 570DM mid level ridging building into the Northern Rockies. The main result will be cooler temperatures while we remain under northerly flow (a bit below average for early April) before ridging slides east through midweek. A mid level wave rotates through the region on the back side of this ridging bringing light precipitation (less than 20% chance for 0. A cold front will result in increasing winds this afternoon, with northerly winds periodically gusting over 25kt (mainly in eastern ND).
Temperatures behind this cold front will be much cooler than what we have been experiencing. Highs today will range from the lower 50s NW to middle to upper 60s on the plateau. Overnight lows will be in the lower to middle 40s area wide. (Monday Night through next Sunday) High pressure builds in and temperatures will "stay steady and slightly warm" through the work week.
(This evening through Monday Night) A dreary and cooler day continues this evening, accompanied by occasional light drizzle with these low cloud decks. Luckily, the perpetual trough that has been over the Great Plains will finally begin to push eastward tonight. Skies will remain clear on Monday night, contributing to a cooler night for the Ark-La-Tx.
High pressure will build across the Southwest through the week, bringing above normal temperatures through the period. Quiet weather day across the region with high pressure building in.
(Tonight through Monday night) A rather potent cold front for early April has kept temperatures in the low 60s for most locations, with MFE nudging into the mid 60s.
Lows will be around 15 degrees below normal in the lower 30s north to the middle 40s southwest. A few spots in the Hill Country may see a few hours of near freezing temperatures and possibly a light freeze. Monday high pressure will move over the region. Highs Monday will be 10-15 degrees warmer than today.
216 PM CDT Sun Apr 6 2025 - Cool tonight with lows near freezing. At the surface, high pressure has built in over Kansas and driven periods of breezy north winds over the forecast area so far today. With little to no cloud coverage anticipated alongside these light winds, radiational cooling is expected to result in temperatures near to below freezing tonight.
Mass convergence near the path of the low may foster redevelopment of light- moderate rain to the southeast of a cold front, which will enter the CWFA later this this afternoon. The cold front will continue to advance southeastward through the remainder of the forecast area between 0-6Z Monday, with light- moderate rain continuing across our southeastern zones until the time of frontal passage.
1222 PM CDT Sun Apr 6 2025 (Today through Monday) The most recent surface analysis indicated a cold front over the western Gulf of America and completely through the BRO CWFA. Finally, a High Surf Advisory remains in effect for the local beaches today due to elevated seas along the Lower Texas Coast, with a High Risk of rip currents also in effect until around sunset Monday.
1132 AM MDT Sun Apr 6 2025 - Dry and calm weather today and tonight, and a bit warmer than yesterday. - Warmer and drier conditions persist through the extended, with increasing fire danger beginning midweek. Dry north winds will set in aloft behind the departing trough as high pressure begins to build into our area. Weather today will be calm and dry, with high temperatures in the 40s-50s over the high valleys and 50s-60s over the eastern plains. Upper ridge of high pressure over the Great Basin and Four Corners regions will flatten on Monday as another system pushes into the Pacific NW. Plan on highs in the 50s to around 60F for the high valleys, and 60s to near 70F for the plains.
1145 AM MDT Sun Apr 6 2025 - High pressure will bring a sunny and warm day today.
A deep, positively tilted, upper level trough tied to low pressure over eastern Canada is rotating through the central Gulf coast. It will be slow to do so, however, because the upper high pressure in the western Atlantic is being slow to cede its space to the low pressure. We can expect overnight lows tonight in the low 50s, highs tomorrow only reaching into the mid 60s, and lows tomorrow night in the mid 40s.
335 PM EDT Sun Apr 6 2025 - Brief Burst of Snow Monday Morning - Rain/Snow Chances Midweek - Brief Burst of Snow Monday Morning A quick moving cold front will swing through Monday morning.
(This evening through Monday Night) Main story this short term period is the chilly weather expected as breezy northwesterly winds usher in cooler than normal temperatures. Skies are beginning to clear out along and south of I-10, so temperatures there will be getting into the low 60s.
(The rest of today) THe upper level trough axis will continue to push east throughout the rest of the day today, while weakening as it does so. Still, surface temperatures in the low 40s will preclude from any snow sticking if it reaches the surface. Portions of northwest Arkansas where skies will be slow to clear, will likely stay in the low to mid 40s most of the day.
High pressure will build across the region through the week, with near record warmth expected. High pressure begins its push eastward and into the Desert Southwest through much of this week with dry conditions expected. This will bring in much warmer air with increasing temperatures each day.
Mostly clear skies across the Keys have allowed for temperatures to reach the lower 80s with some more sheltered or inland areas breaching the mid 80s.
A cold front was dropping south through Lake Superior and the U. The approach of the front, combined with daytime heating, was generating high-based stratocumulus clouds across NC/NE WI, but no precipitation was occurring due to very dry air in the lower atmosphere. A developing low pressure system just northeast Duluth is expected to move through the region tonight, accompanied by a strong cold front. Winds will also increase as the low departs later tonight into Monday, with NW-N winds gusting to 25 to 35 mph, strongest in the Fox Valley and lakeshore areas.
- An upper low will lift northeast into the area and bring a mix of rain and snow through this afternoon. - Sub-freezing temperatures are expected the next couple of nights.
However, not far to the west a trough continues to dig into the southeastern US dragging along a cold front.
A ridge will build into the region and result in warmer temperatures and lighter winds today. Temperatures will return to normal today as ridging continues to build over the region. Our warming trend will continue through the end of the week as the upper-level ridge remains in place over the Western US. Upper level ridging will build over the region today which will bring dry conditions, light winds, and warmer temperatures. On Monday, the ridge that tries to establishes itself over the region will be knocked down by a system moving through the Pacific Northwest. West to southwest winds will increase Monday afternoon in response to an increasing pressure gradient as the area of high pressure gets squished. The warm up continues on Monday as temperatures climb another 5-10 degrees warmer than today's temperatures.
(Tonight through Monday night) A midlevel trough will continue to move east across and north of the area tonight through Monday night. As the trough axis moves to the east, the pressure gradient will relax, diminishing our winds to a more light to moderate flow over land.