A very unstable airmass covering most of North central Montana allowed widespread severe weather to develop. Numerous severe thunderstorms were reported. Hail the size of golf balls and wind gusts in excess of 70 mph were common.

Hail in LEWIS AND CLARK, MONTANA
From 04-JUL-08 16:45:00 to 04-JUL-08 16:45:00 (MST-7)
Location: LINCOLN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped .75 inch diameter hail at Lincoln 12E.

Thunderstorm Wind in FERGUS, MONTANA
From 04-JUL-08 16:30:00 to 04-JUL-08 16:30:00 (MST-7)
Location: LEWISTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 60 mph at Lewistown 10SE.

Thunderstorm Wind in FERGUS, MONTANA
From 04-JUL-08 16:35:00 to 04-JUL-08 16:35:00 (MST-7)
Location: FORESTGROVE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 70 mph at Forest Grove 6NNE. Tree limbs 4 to 6 inches in diameter were broken.

Thunderstorm Wind in JUDITH BASIN, MONTANA
From 04-JUL-08 16:30:00 to 04-JUL-08 16:30:00 (MST-7)
Location: MOCCASIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Moccasin 5NNE.

Thunderstorm Wind in TOOLE, MONTANA
From 04-JUL-08 17:10:00 to 04-JUL-08 17:10:00 (MST-7)
Location: SHELBY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Shelby 1W.

Hail in TOOLE, MONTANA
From 04-JUL-08 17:10:00 to 04-JUL-08 17:10:00 (MST-7)
Location: SHELBY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped .75 inch diameter hail at Shelby 1W.

Thunderstorm Wind in CASCADE, MONTANA
From 04-JUL-08 17:20:00 to 04-JUL-08 17:20:00 (MST-7)
Location: GREAT FALLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Great Falls 2S.

Thunderstorm Wind in FERGUS, MONTANA
From 04-JUL-08 15:45:00 to 04-JUL-08 15:45:00 (MST-7)
Location: DENTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Denton 9N. Many tree branches were reported downed.

Thunderstorm Wind in JUDITH BASIN, MONTANA
From 04-JUL-08 16:15:00 to 04-JUL-08 16:15:00 (MST-7)
Location: HOBSON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 65 mph at Hobson 4S.

Hail in LEWIS AND CLARK, MONTANA
From 04-JUL-08 15:43:00 to 04-JUL-08 15:43:00 (MST-7)
Location: MARYSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped .88 inch diameter hail at Marysville 4WSW.

Hail in TETON, MONTANA
From 04-JUL-08 15:53:00 to 04-JUL-08 15:53:00 (MST-7)
Location: PENDROY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped 1.75 inch diameter hail at Pendroy.

Hail in GLACIER, MONTANA
From 04-JUL-08 16:15:00 to 04-JUL-08 16:15:00 (MST-7)
Location: EAST GLACIER PARK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped .75 inch diameter hail at East Glacier Park 2N.

Hail in CASCADE, MONTANA
From 04-JUL-08 16:30:00 to 04-JUL-08 16:30:00 (MST-7)
Location: EDEN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped 1.25 inch diameter hail at Eden 16S.

Hail in LEWIS AND CLARK, MONTANA
From 04-JUL-08 16:30:00 to 04-JUL-08 16:30:00 (MST-7)
Location: MARYSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm dropped .75 inch diameter hail at Marysville 8W.

Hail in TETON, MONTANA
From 04-JUL-08 17:59:00 to 04-JUL-08 17:59:00 (MST-7)
Location: PENDROY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped 1.75 inch diameter hail at Pendroy 7WSW.

Hail in CHOUTEAU, MONTANA
From 04-JUL-08 18:22:00 to 04-JUL-08 18:22:00 (MST-7)
Location: GERALDINE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm dropped .88 inch diameter hail at Geraldine.

Thunderstorm Wind in TETON, MONTANA
From 04-JUL-08 18:10:00 to 04-JUL-08 18:10:00 (MST-7)
Location: CHOTEAU
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Choteau.

Hail in TETON, MONTANA
From 04-JUL-08 18:10:00 to 04-JUL-08 18:10:00 (MST-7)
Location: CHOTEAU
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped .75 inch diameter hail at Choteau.

Thunderstorm Wind in TOOLE, MONTANA
From 04-JUL-08 18:32:00 to 04-JUL-08 18:32:00 (MST-7)
Location: SHELBY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Shelby.

Thunderstorm Wind in CHOUTEAU, MONTANA
From 04-JUL-08 18:55:00 to 04-JUL-08 18:55:00 (MST-7)
Location: BIG SANDY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 70 mph at Big Sandy.

Thunderstorm Wind in HILL, MONTANA
From 04-JUL-08 19:00:00 to 04-JUL-08 19:00:00 (MST-7)
Location: INVERNESS
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 70 mph at Inverness 16S.

Thunderstorm Wind in HILL, MONTANA
From 04-JUL-08 19:20:00 to 04-JUL-08 19:20:00 (MST-7)
Location: HAVRE
Magnitude: 69.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm produced a wind gust to 80 mph at Havre 21W. The wind knocked a railroad boxcar off the tracks spilling its content of Oreo cookies.

Hail in TETON, MONTANA
From 04-JUL-08 17:59:00 to 04-JUL-08 17:59:00 (MST-7)
Location: PENDROY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm dropped .75 inch diameter hail at Pendroy 7WSW.

Thunderstorm Wind in FERGUS, MONTANA
From 04-JUL-08 17:40:00 to 04-JUL-08 17:40:00 (MST-7)
Location: HILGER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Hilger 1W.

Hail in JUDITH BASIN, MONTANA
From 04-JUL-08 17:22:00 to 04-JUL-08 17:22:00 (MST-7)
Location: RAYNESFORD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm dropped 1.75 inch diameter hail at Raynesford 11S.

Hail in TETON, MONTANA
From 04-JUL-08 17:17:00 to 04-JUL-08 17:17:00 (MST-7)
Location: CHOTEAU
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm dropped 1.75 inch diameter hail at Choteau 4S.

Hail in LEWIS AND CLARK, MONTANA
From 04-JUL-08 17:50:00 to 04-JUL-08 17:50:00 (MST-7)
Location: AUGUSTA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm dropped 1.75 inch diameter hail at Augusta 18SE (Bowmans Corners).

Thunderstorm Wind in LEWIS AND CLARK, MONTANA
From 04-JUL-08 17:50:00 to 04-JUL-08 17:50:00 (MST-7)
Location: AUGUSTA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 60 mph at Augusta 18SE (Bowmans Corners).

Thunderstorm Wind in CASCADE, MONTANA
From 04-JUL-08 17:38:00 to 04-JUL-08 17:38:00 (MST-7)
Location: VAUGHN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Vaughn 3SE (Sun Prairie).

Thunderstorm Wind in LEWIS AND CLARK, MONTANA
From 04-JUL-08 17:35:00 to 04-JUL-08 17:35:00 (MST-7)
Location: CANYON CREEK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Canyon Creek 8S.

Thunderstorm Wind in BROADWATER, MONTANA
From 04-JUL-08 15:00:00 to 04-JUL-08 15:00:00 (MST-7)
Location: TOWNSEND
Magnitude: 72.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A severe thunderstorm produced a wind gust to 83 mph at Townsend 8W.

Hail in MEAGHER, MONTANA
From 04-JUL-08 15:18:00 to 04-JUL-08 15:18:00 (MST-7)
Location: LENNEP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm dropped 1 inch diameter hail at Lennep 4NNW.

Thunderstorm Wind in HILL, MONTANA
From 04-JUL-08 19:28:00 to 04-JUL-08 19:28:00 (MST-7)
Location: HAVRE
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A severe thunderstorm produced a wind gust to 67 mph at the Havre ASOS site.

Thunderstorm Wind in HILL, MONTANA
From 04-JUL-08 19:35:00 to 04-JUL-08 19:35:00 (MST-7)
Location: INVERNESS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 60 mph at Inverness 5S.

Thunderstorm Wind in BLAINE, MONTANA
From 04-JUL-08 19:53:00 to 04-JUL-08 19:53:00 (MST-7)
Location: CHINOOK
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 72 mph at Chinook 11S.

Thunderstorm Wind in HILL, MONTANA
From 04-JUL-08 20:00:00 to 04-JUL-08 20:00:00 (MST-7)
Location: SIMPSON
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A severe thunderstorm produced a wind gust to 75 mph at Simpson 20E (Creedman Reservoir).

Thunderstorm Wind in HILL, MONTANA
From 04-JUL-08 19:53:00 to 04-JUL-08 19:53:00 (MST-7)
Location: HAVRE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A severe thunderstorm produced a wind gust to 60 mph at the Havre ASOS site.

Thunderstorm Wind in BLAINE, MONTANA
From 04-JUL-08 20:35:00 to 04-JUL-08 20:35:00 (MST-7)
Location: HOGELAND
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 70 mph at Hogeland 7W. A 75 year-old tree was reported downed by the winds.

Thunderstorm Wind in BLAINE, MONTANA
From 04-JUL-08 21:15:00 to 04-JUL-08 21:15:00 (MST-7)
Location: FT BELKNAP
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A severe thunderstorm produced a wind gust to 59 mph at Fort Belknap.

Thunderstorm Wind in CASCADE, MONTANA
From 04-JUL-08 17:50:00 to 04-JUL-08 17:50:00 (MST-7)
Location: GREAT FALLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a wind gust to 60 mph at Great Falls 12S.

Hail in TETON, MONTANA
From 04-JUL-08 18:45:00 to 04-JUL-08 18:45:00 (MST-7)
Location: PENDROY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped .88 inch diameter hail at Pendroy 13SW. Damage to a vegetable garden was reported.

Thunderstorm Wind in PONDERA, MONTANA
From 04-JUL-08 15:05:00 to 04-JUL-08 15:05:00 (MST-7)
Location: VALIER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Valier 5W.

Thunderstorm Wind in CASCADE, MONTANA
From 04-JUL-08 17:15:00 to 04-JUL-08 17:15:00 (MST-7)
Location: BELT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced a wind gust to 60 mph at Belt 1W. Numerous tree branches were reported downed and power was out for an hour.