Aikyam-Lab/Synoptic-Bench huggingface dataset:
1200 AM CDT Thu Oct 9 2025 - Slightly cooler temperatures and mostly sunny skies are expected through Thursday with temperatures around seasonable normals. This will lead to highs in the low to mid 70s this afternoon, which is near/slightly above average for this time of year. Clearer skies and generally light winds to remain overnight, lows cool into the low 50s for the majority of the area, and the mid to upper 40s over the eastern Ozarks. By Friday morning, midlevel heights will begin to rise as an upper level ridge builds back up over the Plains and slowly pushes east through the weekend.
Broad mid and upper level ridging was noted over the southern and central plains on the 19Z water vapor imagery while an upper trough moved onshore over the Pacific Northwest. Surface obs had high pressure centered over WI that ridged into central KS. In the short term, or through Friday, the synoptic pattern is progged to favor continued ridging over the forecast area with little large scale forcing for the forecast area. Upper ridging and a return of more southerly low level flow through Friday is expected to allow temps to trend warmer with high in the lower 80s Friday. There isn't expected to be much change to the pattern this weekend with mid level ridging over the plains and the mean westerlies displaced north.
For Thursday, a strong upper level low pressure system will dive southward from British Columbia, Canada, and will be west of Oregon by the late afternoon hours. On Friday, the upper low is not expected to make much progress eastward, remaining offshore west of Oregon.
- Unsettled conditions possible this weekend as low pressure moves into the Great Lakes. High pressure will maintain control this period, ensuring VFR conditions within a very dry environment. * None Prototypical, cool, Autumn conditions are in place this afternoon with polar high pressure building into the Great Lakes regions from the northwest. Differential cold advection in the lower troposphere has resulted in strong midlevel static stability with nothing more than flat, low coverage diurnal cumulus. This would result in a warmer wind off of the water in addition to the advection of some lake cloud. The overwhelming consensus then predicts the closed low circulation to stall out overhead as a blocking ridge rapidly organizes off the East Coast and through Quebec.
214 AM EDT Thu Oct 9 2025 Canadian high pressure will build across the Middle Atlantic through Friday.
Onshore flow and low pressure over the Bay of Campeche will continue to lead to shower and thunderstorm activity into Friday. Temperatures will remain near to just above normal with daily highs in the low to mid 90s with 80s along the coast. A tightening pressure gradient through Friday will lead to elevated winds and seas on the waters off the lower Texas coast.
(Today through Friday afternoon) Mid and upper ridging build back over the region today helping to end most rain chance outside of the higher terrain. Temperatures will rebound back into the mid to upper 80s for most locations; 70s in the higher terrain.
- Possible elevated fire weather concerns this weekend due to warmer temperatures and breezy southerly winds.
With this comes warmer temperatures as well, producing our expected warmest day of the seven day forecast period including highs in the 70's to low to mid 80's.
-A cooler and drier airmass will be in place across Arkansas through the end of the workweek.
The low clouds continue to clear from north to south in portions of southern and eastern KY. Lows tonight will reach the low to mid 40s. For south-central KY, lows will be in the low/mid 40s. Meanwhile, an occluding area of low pressure drops southeast over Lake Superior and drags a cold front southeast through the Midwest. After the chilly start on Friday, temperatures will warm into the low to mid 70s Friday afternoon, which is near normal for this time of year.
/issued 438 PM PDT Wed Oct 8 2025/ A cu field was developing across the higher elevation mountain zones this afternoon. The eastward advancing upper low will induce a N-S band of 850-700 mb fgen and vertical motion which the 12kmNAM ramps up after about 02z Thursday (This Evening). This upper low will help focus showers across the Cascade range and itâs eastern slopes through the week before moving onshore late Friday into Friday night and spreading a more broad mid level lift across the eastern mountains. NBM Ensembles 50th percentile suggests 1 to 3 inches of snowfall possible across the Wallowas, Northern Blue, Elkhorn, Aldrich and Strawberry Mountains, and even higher amounts along the highest peaks of the Cascades.
(Through Thursday) An upper ridge will become centered over western Texas as it amplifies along a north-south axis across the Rockies through the day today. A surge of low-level moisture as the ridge extends southwestward will bring a potential for a stratus deck of low clouds to develop across west-central Oklahoma early this morning, mostly along or west of the I-35 corridor. Any low clouds should break through the afternoon hours with temperatures rising into the 80s and approaching the lower 90s.
With sparse observations, it is difficult to pinpoint where the trough axis is, but cloud motion as seen on GOES-19 Cloud Top suggests that it is still situated just east of the Florida Straits.
Exiting high pressure will continue to bring breezy and mild conditions through this evening. These lessening of winds combined with cooler temperatures in the 40s could bring some patchy to areas of fog tonight into Thursday morning, especially in the west and some central portions. Cooler temperatures may be found for Friday morning, with lows in the 30s to lower 40s. Cooler highs in the 60s will then be found on Friday. Some breezy southerly winds may then be found in the west as this high pulls away later in the day Friday. An approaching trough will bring southwest flow aloft, with breezy to perhaps windy southerly flow lingering at the surface.
Areas of frost and sub-freezing temperatures are expected Thursday night into Friday morning. Lake clouds are keeping areas west of I-81 slightly warmer than originally forecasted. The center of high pressure will move east on Friday but will remain in control to keep conditions dry through at least the start of the weekend. Friday night will be slightly warmer as well with temps falling into the 30s and low 40s.
311 AM EDT Thu Oct 9 2025 Updated at 307 AM EDT Thu Oct 9 2025 - Breezy northeast winds behind a wedge front usher in mostly cloudy and cooler conditions today with a couple of isolated showers not out of the question. - Cooler and breezy conditions persist on Friday. Friday will bring the coolest highs of the week with some areas struggling to reach 70 degrees and the remainder of the area in the low-to-mid 70s.
Canadian high pressure will reside over the region tonight, so another night of cool temperatures in the 20s and 30s is expected. A Frost Advisory has been issued for central, east central and northeast WI, away from Lake Michigan, late tonight into early Thursday, as temperatures drop into the lower to middle 30s. This system has trended stronger, with a 30 to 40 knot low-level jet anticipated late Thursday night into early Friday, a cold frontal passage on Friday, and a potent upper low tracking through Friday afternoon and evening. A Small Craft Advisory will likely be needed as south winds increase and waves build ahead of the cold front, followed by gusty northwest winds in the wake of the frontal passage.
Highs will remain above normal in the upper 80s to lower 90s with less cloud cover present compared to yesterday, while an anomalously strong upper- level ridge continues to amplify to our west.
A cold front that has moved to near the northern Gulf Coast moves offshore into Thursday, with drier, cooler airmass moving south over the forecast area in response.
245 AM EDT Thu Oct 9 2025 Dry and cooler conditions will continue into the upcoming weekend with high pressure in control.
- Upper-level ridge will expand back over the region this weekend with warmer temperatures and southerly winds returning. The push of noticeably drier air behind the recent cold front has been slightly delayed, but the latest sfc obs indicate dew points in the 50s just north of our region. NW flow aloft will maintain slightly milder conditions through Friday, but the upper-level ridge will really begin to expand back eastward into our region throughout this weekend. /19/ (00Z TAFS) High pressure centered across the Great Lakes to maintain northeast winds less than 5 knots areawide overnight, increasing to near 10 knots on Thursday.
Mostly clear skies under high pressure has allowed for light winds and effective radiational cooling. A few warmer spots are noted as well, mainly in the Keweenaw. In the past 24 hours, the trend has been toward developing this low a little further west, now just northwest of Thunder Bay, and a slower transit through the Upper Great Lakes. In terms of sensible weather, this change means a dry slot may support a break in rainfall Friday for the west half before a secondary push of rain wrapping around the low moves into the forecast area in the afternoon and evening.
The upper flow pattern features low amplitude ridging over the central US and troughing over the northeast. At the sfc, a strong high pressure system is sliding across the Great Lakes today. This pattern will help keep our temps cooler than normal, with highs in the upper 60s to low 70s despite abundant sunshine. For south-central KY, temps are expected to remain in the lower 40s. Amplified upper ridge will be building across the central US, with upper troughing taking place over the southeastern US. A deepening closed low will be diving south out of Canada and will be near the northern Great Lakes region through the day. After a chilly start, developing S flow will support weak WAA, and we will see temps rebound nicely into the low 70s across the board.
A low pressure system will bring cooler temperatures into the weekend.
133 AM CDT Thu Oct 9 2025 - Dry weather conditions with cooler mornings will prevail through this weekend. In the wake of a weak cold front, drier air is already advecting into our region and will continue to do so through the weekend as upper ridging builds just west of our area. Though this dry regime will still allow for seasonably warm days, with highs ranging from near normal to slightly above normal, it will also make for cooler overnights and mornings. Cooler, meaning.
1139 PM CDT Wed Oct 8 2025 -A cooler and drier airmass will filter into Arkansas through the end of the workweek.
High pressure over WI this afternoon shifts east through time, bringing back-to-back crisp and frosty nights. With low pressure well off the northeast US coast, confidence is high in light wind overnight and clear skies.
The highest rainfall amounts will be at the Coos County coast and into western Josephine and western Siskiyou counties with 0.
1203 AM EDT Thu Oct 9 2025 A high pressure system will shift east across the region through Friday, leading to dry conditions. A weak low pressure system will drop down across the Great Lakes this weekend.
158 AM EDT Thu Oct 9 2025 Strong high pressure over the eastern Great Lakes today will drift to New England Friday, with dry and cool weather. There will be widespread frost tonight through Friday morning, with below freezing temperatures in some of the typical colder inland locations.
256 AM CDT Thu Oct 9 2025 - Breezy south winds today with some rain late this afternoon into tonight - Briefly cooler Friday with some warmer temperatures into the 60s this weekend.
- The highest probability (30-50% chance) for readings below 38F and perhaps patchy frost will be focused along/east of I-57 tomorrow morning. High pressure has shifted to the northeast. Ridging holds in place through the weekend.
Low temperatures early this morning are noticeably warmer than what they were 24-hours ago. Current satellite imagery showing a band of low-level stratus that is beginning to make its way into western MN from the Dakotas, which is a precursor to the leading edge of a cold front that is forecast to advance through MN/WI later tonight.
Starting to see some localized fog/freezing fog form near the larger bodies of water acrs N AR and the AR River Valley. Highs today will range fm the lower 50s to the lower 60s. Winds wl shift to the NW behind the front, with cooler air advecting to the region.
MIMIC precipitable water reveals very dry air has moved into the area while the cold front has moved through the Straits and is approaching Andros Island currently.
High pressure will continue bring dry and mild weather conditions to the area through Tuesday.
432 AM CST Mon Jan 29 2024 - Fog/freezing fog threat continues through the morning, with a Dense Fog Advisory in effect for areas of central Missouri. Areas not in the advisory can still expect localized areas of dense fog/freezing fog and reduced visibilities, especially near lakes and in river valleys. Current Conditions and Synoptic Pattern: An area of high pressure is currently overspreading the Ozarks, bringing clear skies and light winds.
However, with a few valley areas are already at or below freezing, should any light daybreak fog bloom, it may stick on wind shields and a few bridges. We will continue to monitor, but this will likely remain very isolated to the longer duration locales near freezing.
(Now through Tuesday) As an upper trof exits off into the western Atlantic, another upper trof dives from the northern Plains into the eastern states during the period. Highs today will be mostly in the mid to upper 50s, then warmer temperatures in the lower to mid 60s follow for Tuesday. Lows tonight range from the lower 30s well inland to the mid 30s near the coast.
(Today through Tuesday afternoon) Weak ridging will continue to dominate the short term with some beautiful, January conditions. An upper trough moving through the Great Lakes will send a very weak cold front south into the region.
A weak cold front will sag into North Texas later in the daytime associated with an Ohio Valley upper low, but this feature will largely go unnoticed with near-neutral thermal advection across the boundary.
Another mild day is expected today with highs generally in the upper 60s near the beaches to the lower 70s inland. Mostly cloudy to cloudy skies tonight will support a slightly warmer night, with lows into the upper 40s across the Northern Ranchlands to the lower 50s across the Rio Grande Valley. A mix of clouds and sun on Tuesday with highs again ranging from the the upper 60s at the beaches to the lower 70s inland.
There are high chances (greater than 70%) for at least 1" of snow for much of interior northern Michigan with lesser chances closer to the lakeshores where temperatures slightly above freezing will lead to less efficient snowfall (i. PATTERN SYNOPSIS/FORECAST: Upper-level ridging is noticed across much of CONUS.
524 AM CST Mon Jan 29 2024 (Tonight through Tuesday night) High pressure remains over the forecast area today, tonight, and Tuesday. With the 500 mb ridge just upstream of south Texas, the next few days are expected to remain rain free. There will be some moisture that moves into the forecast area tonight into Tuesday from the 500 mb trough over the Pacific just off Baja California, which will affect our weather as we get into the weekend.
High pressure is also in control bringing light winds to the area. Tonight a upper level trough will dig through the Upper Midwest forcing a dry cold front through the area. Modest cold air advection behind the front tonight into Tuesday will bring a cooler, but still above normal day on Tuesday with highs in the upper 30s across the northeastern CWA to lower 50s over the southwestern CWA.
436 AM MST Mon Jan 29 2024 - High pressure over the region will keep temperatures above normal through the week.
511 AM CST Mon Jan 29 2024 (Today through Tuesday night) Dry and relatively quite weather is expected to hold over the Panhandles as latest model agreement continues to see a ridge build in alongside dry northwesterly flow for today and Tuesday. Meanwhile, overnight lows will still remind us its January with temperature in the low 30s for tonight.
535 AM CST Mon Jan 29 2024 (Today and tonight) Patchy light freezing fog is possible this morning in a small part of north central Oklahoma before temperatures rise above freezing.
Temperatures will cool through the evening hours which will lead to some freezing drizzle potential and some potentially slick roadways. Ridging builds in across the region and we continue warm air advection through the forecast period.
918 AM EST Mon Jan 29 2024 Light freezing drizzle is occurring across portions of northern New York and northern Vermont this morning; slick road conditions are possible.
634 AM EST Mon Jan 29 2024 (Today through Tuesday) Model solutions and sfc analyses show a trough/low complex moving away from the eastern seaboard and forcing an associated frontal boundary past the peninsula and into the Caribbean. Broad/strong high pressure has established over the region in the wake of the FROPA, with brisk northerly flow keeping afternoon max temps in the mid-upper 60s for most of SoFlo today. Coldest temps are still expected tonight into Tuesday with morning lows in the low-mid 40s around the Lake region and interior, and upper 40s to low 50s around coastal areas.
423 AM CST Mon Jan 29 2024 (Today and tonight) Patchy light freezing fog is possible this morning in a small part of north central Oklahoma before temperatures rise above freezing.
513 AM CST Mon Jan 29 2024 (Today through Tuesday) High pressure is building into the area. This is forcing the trough that has been in the northeast to slide east of the area by the morning.
Otherwise, today will still be on the cool side with highs in the low to mid 40s and with plenty of low stratus lingering. Temperatures tonight will drop below freezing across the whole area before rebounding nicely on Tuesday as southerly flow increases ahead of a clipper system.
A cold front will push through Tuesday resulting in cooler temperatures for the middle of the week.
- Mostly sunny much of today and warmer. Cooler temperatures into Tuesday.
(Today through Tuesday night) Dry and relatively quite weather is expected to hold over the Panhandles as latest model agreement continues to see a ridge build in alongside dry northwesterly flow for today and Tuesday. Meanwhile, overnight lows will still remind us its January with temperature in the low 30s for tonight.
351 AM CST Mon Jan 29 2024 - Mostly sunny much of today and warmer. Cooler temperatures into Tuesday.
The only concern is the possibility for some very isolated slick spots due to freezing drizzle north of PGH where roadways surface temperatures are hovering just below freezing. Cloud top temperatures have been observed between -5 and -10C overnight, so any light precipitation out of the relatively warmer patches would not be cold enough for ice nuclei and result in rain rather than snow.
Ensembles and clusters show the upper level ridge axis gradually shifting eastward toward the Great Basin today and furthermore toward the Intermountain West by Tuesday. As the upper ridge continues to transition eastward, an upper level trough over the Eastern Pacific will gradually make its way toward the West Coast by midweek.
433 AM CST Mon Jan 29 2024 (Today through Tuesday afternoon) Weak ridging will continue to dominate the short term with some beautiful, January conditions. An upper trough moving through the Great Lakes will send a very weak cold front south into the region.
(Today and tonight) Patchy light freezing fog is possible this morning in a small part of north central Oklahoma before temperatures rise above freezing.
Otherwise, another very nice, above normal day is in store with westerly winds and highs in the lower to upper 40s mostly, but around 50 along the KS/NE border. Winds do shift to the northwest by late this afternoon and overnight, which ushers in slightly cooler air for Tuesday, but still above normal with highs in the upper 30s to mid 40s.
700 AM EST Mon Jan 29 2024 A dry and cooler air mass is spreading across the region. High pressure will dominate through Tuesday with seasonable temperatures.
(Today through Tuesday) Mid-level ridging will move over South Central Texas on Monday, resulting in picture perfect weather with filtered sunshine and high temperatures around 3-7 degrees above normal in the upper 60s to lower 70s.
Early morning satellite imagery/RAP analysis had the upper level trough well east of Mississippi but the back edge of the stratus was still across the northern half of Lowndes county. This stratus will shift east of our CWA as the upper level trough shifts a little farther east this morning however, northwest flow aloft is still expected to continue through tonight. This high will shift to the southeast through tonight becoming centered along the Texas coast by Tuesday morning. The combined caa will hold temperatures slightly cooler than normal today despite near full insolation. Cooler than normal temperatures are expected again in our east.
314 AM PST Mon Jan 29 2024 High pressure and weak offshore flow will bring another warm day today.
A cold front will bring additional low clouds tonight, with some patchy drizzle/ freezing drizzle possible.
(Today and tonight) Expect continued benign and dry weather through tonight, with weak upper-level ridging and zonal (west to east) flow aloft set up over West Central Texas today.
Tonight: High pressure builds into the North Gulf Coast region with ridge extending east across NE FL/SE GA. Johns River Basin and in the lower 40s at the Atlantic beaches.
623 AM EST Mon Jan 29 2024 Dry and breezy weather will continue through today as high pressure builds in from the west.
Scattered light flurries or sprinkles within weak area of warm air advection pivoting into area with northwest flow around ridging to the west and southwest will dissipate early this morning and leave dry conditions today as subsidence associated with this upper ridge expand over the region. Mostly cloudy skies will prevail with high temperatures in the lower 40s for the most part as the warm air advection persists. A period of strong lift associated with these height falls will bring a period of mainly snow to the area Tuesday morning with perhaps some pockets of rain/freezing rain mixed in at times at the onset of precipitation. Lighter snow (or rain) showers will then linger into the afternoon and evening as the center of the low pressure system shifts over the region.
High pressure will bring warming temperatures and dry conditions through the first-half of this week.
Upper ridge and warm air will remain in place most of this week. A weak wave overnight brought slightly cooler air aloft into the forecast area for today. EC and GFS ensembles are both pointing towards somewhat cooler temperatures. EC ensemble mean had a very good handle on yesterday's highs while the GFS ensemble mean was a few degrees cooler than reality. The upper ridge moves to the east late in the week and a large trough comes in off the West Coast but is expected to be slow moving. DISCUSSION: Areas of patchy freezing fog will be possible along the Milk and Missouri River Valleys this morning but currently do not look like they will impact the terminals directly.
536 AM CST Mon Jan 29 2024 - Fog/freezing fog threat continues through the morning, with a Dense Fog Advisory in effect for areas of central Missouri. Areas not in the advisory can still expect localized areas of dense fog/freezing fog and reduced visibilities, especially near lakes and in river valleys. Current Conditions and Synoptic Pattern: An area of high pressure is currently overspreading the Ozarks, bringing clear skies and light winds.
The persistent ridge of high pressure dominating the region is expected to maintain relatively warm temperatures across much of the Northern Rockies through midweek. Overnight water vapor satellite imagery reveals the amplification of this ridge over the Pacific Northwest, accompanied by the influx of drier air into the region.