A large spring storm associated with a cutoff upper level low, moved across the Northern Rockies on the afternoon of June 6th through the morning of June7th. Thunderstorms developed by early afternoon across northern Wyoming and southern Montana, with heavy rainfall beginning in Sheridan, Wyoming and Carbon County, Montana at 330pm and across much of southern Montana by 6pm. By 9pm Wednesday evening, heavy rainfall became more widespread across southern Montana and continued thruogh the overnight hours. By mid morning on the 6th, rainfall had ended across the impacted area. Runoff from areas upstream of Rosebud County and the Tongue River Reservoir resulted in flooding downstream of the dam.

High Wind in YELLOWSTONE, MONTANA
From 07-JUN-07 03:23:00 to 07-JUN-07 03:23:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Flash Flood in ROSEBUD, MONTANA
From 06-JUN-07 16:30:00 to 06-JUN-07 18:30:00 (MST-7)
Location: LAME DEER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Lame Deer was under 3 to 4 feet of water, with homes flooded, people stranded, and a propane tank floating in the street.

Heavy Rain in FALLON, MONTANA
From 07-JUN-07 04:58:00 to 07-JUN-07 04:58:00 (MST-7)
Location: BAKER ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Rain from the event was reported to be 1.56 inches in 24 hours.

Heavy Rain in POWDER RIVER, MONTANA
From 07-JUN-07 05:13:00 to 07-JUN-07 05:13:00 (MST-7)
Location: SAYLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Rain from the event was recorded to be 2.10 inches in 24 hours.

Heavy Rain in BIG HORN, MONTANA
From 07-JUN-07 05:17:00 to 07-JUN-07 05:17:00 (MST-7)
Location: BUSBY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Rain reports from the event were 4.43 inches in 24 hours.

Heavy Rain in BIG HORN, MONTANA
From 07-JUN-07 05:18:00 to 07-JUN-07 05:18:00 (MST-7)
Location: LODGE GRASS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Rain from the event was 2.57 inches in 24 hours.

Flood in CUSTER, MONTANA
From 07-JUN-07 08:12:00 to 07-JUN-07 10:12:00 (MST-7)
Location: MILES CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

People were flooded in their homes on Moon Creek Road west of Miles City. Four to six inches of water was over the road. Interstate 94 was flooded with cars washing off the road. A railroad was washed out by Hathaway.

Heavy Rain in YELLOWSTONE, MONTANA
From 07-JUN-07 04:00:00 to 07-JUN-07 04:00:00 (MST-7)
Location: (BIL)LOGAN ARPT BILL
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rain from the event was reported to be 1.16 inches with a two day total of 1.41 inches.

Flash Flood in CARBON, MONTANA
From 06-JUN-07 17:50:00 to 06-JUN-07 19:50:00 (MST-7)
Location: ROBERTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several stretches of area roads were under water, including 212 and 78. Homes were flooded in Roberts.

Heavy Rain in CUSTER, MONTANA
From 07-JUN-07 04:46:00 to 07-JUN-07 04:46:00 (MST-7)
Location: (MLS)WILEY FLD MILES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Two day storm total was 2.14 inches.

Heavy Rain in CUSTER, MONTANA
From 07-JUN-07 04:47:00 to 07-JUN-07 04:47:00 (MST-7)
Location: KNOWLTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rain from the event was reported to be 1.51 inches.

Heavy Rain in YELLOWSTONE, MONTANA
From 07-JUN-07 05:00:00 to 07-JUN-07 05:00:00 (MST-7)
Location: BILLINGS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Seven tenths of an inch of rain was reported.

Heavy Rain in CARBON, MONTANA
From 07-JUN-07 05:20:00 to 07-JUN-07 05:20:00 (MST-7)
Location: BELFRY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Rain totals from the event were 1.85 inches in 24 hours with a storm total of 1.94 inches.

Heavy Rain in CARBON, MONTANA
From 07-JUN-07 05:21:00 to 07-JUN-07 05:21:00 (MST-7)
Location: RED LODGE ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Rain total from the event was 3.74 inches in 24 hours.

High Wind in YELLOWSTONE, MONTANA
From 07-JUN-07 03:36:00 to 07-JUN-07 03:36:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Three quarters of an inch of rain fell during the storm. Some minor branches were down by winds of 58 mph.

Heavy Rain in FALLON, MONTANA
From 07-JUN-07 03:57:00 to 07-JUN-07 03:57:00 (MST-7)
Location: BAKER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Rain from the entire event was 2.43 inches.

Flash Flood in CUSTER, MONTANA
From 06-JUN-07 20:15:00 to 06-JUN-07 22:15:00 (MST-7)
Location: MILES CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eight tenths of an inch of rain was reported in 45 minutes.

Flash Flood in CARBON, MONTANA
From 06-JUN-07 19:30:00 to 06-JUN-07 21:30:00 (MST-7)
Location: ROBERTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Water was over the road on Highway 72 south of Belfry, with the highway closed in Wyoming. Flooding was reported on country roads in the area.

Flash Flood in CUSTER, MONTANA
From 06-JUN-07 20:45:00 to 06-JUN-07 22:45:00 (MST-7)
Location: MILES CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Interstate 94 had several areas with high water over the top. Interstate 94 at mile markers 124, 126, 129, and 132 had vehicles off the road. Flooding was also reported in Miles City.

Flash Flood in BIG HORN, MONTANA
From 06-JUN-07 17:00:00 to 06-JUN-07 19:00:00 (MST-7)
Location: FT SMITH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Roads were under water along with standing water in fields and yards with 2.5 to 3 inches of rain reported.

Flash Flood in ROSEBUD, MONTANA
From 06-JUN-07 19:50:00 to 06-JUN-07 21:50:00 (MST-7)
Location: FORSYTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 39 was covered with water and mud in spots.

Flash Flood in ROSEBUD, MONTANA
From 06-JUN-07 20:00:00 to 06-JUN-07 22:00:00 (MST-7)
Location: COLSTRIP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Water and mud were over Highway 39 at mile marker 31.

Flash Flood in CUSTER, MONTANA
From 06-JUN-07 20:30:00 to 06-JUN-07 22:30:00 (MST-7)
Location: MILES CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Water was reported over Highway 59 just south of Miles City.