A strong westerly flow aloft combined with the passage of several shortwaves, resulted in a tight surface pressure gradient and high winds over a large portion of North Central Montana.

High Wind in TOOLE, MONTANA
From 09-DEC-15 13:05:00 to 09-DEC-15 13:05:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A wind gust to 67 mph was reported at Sunburst 6NNW (the Sweetgrass Hills DOT site).

High Wind in GALLATIN, MONTANA
From 09-DEC-15 14:45:00 to 09-DEC-15 14:45:00 (MST-7)
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A wind gust to 70 mph was reported at Bozeman 11E (Bozeman Pass DOT site).

High Wind in BROADWATER, MONTANA
From 09-DEC-15 14:21:00 to 09-DEC-15 14:21:00 (MST-7)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 61 mph was reported at Winston 6SE.

High Wind in CHOUTEAU, MONTANA
From 09-DEC-15 13:25:00 to 09-DEC-15 13:25:00 (MST-7)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 72 mph was reported at Fort Benton 8SSW.

High Wind in LIBERTY, MONTANA
From 09-DEC-15 15:03:00 to 09-DEC-15 15:03:00 (MST-7)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 62 mph was reported at Chester 17N.

High Wind in BLAINE, MONTANA
From 09-DEC-15 20:18:00 to 09-DEC-15 20:18:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 58 mph was reported at Fort Belknap 13S (the Fort Belknap RAWS site).

High Wind in JUDITH BASIN, MONTANA
From 09-DEC-15 14:28:00 to 09-DEC-15 14:28:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 59 mph was reported at Moccasin 3WSW.

High Wind in MADISON, MONTANA
From 07-DEC-15 11:04:00 to 07-DEC-15 11:04:00 (MST-7)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A wind gust to 63 mph was reported at McAllister 4NNE (the Norris Hill DOT site).

High Wind in EASTERN GLACIER, MONTANA
From 08-DEC-15 16:34:00 to 08-DEC-15 16:34:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust to 58 mph was reported at Cut Bank 3SW (the Cut Bank ASOS site).

High Wind in EASTERN TETON, MONTANA
From 09-DEC-15 02:30:00 to 09-DEC-15 02:30:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 58 mph was reported at Augusta 12NNE.

High Wind in MEAGHER, MONTANA
From 09-DEC-15 06:30:00 to 09-DEC-15 06:30:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 67 mph was reported at White Sulphur Springs 1SE.

High Wind in CASCADE, MONTANA
From 09-DEC-15 12:23:00 to 09-DEC-15 12:23:00 (MST-7)
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wind gust to 76 mph was reported at Cascade.

High Wind in SOUTHERN LEWIS AND CLARK, MONTANA
From 09-DEC-15 12:36:00 to 09-DEC-15 12:36:00 (MST-7)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust to 68 mph was reported at Helena 3ENE (the Helena ASOS site).

High Wind in SOUTHERN LEWIS AND CLARK, MONTANA
From 08-DEC-15 20:15:00 to 08-DEC-15 20:15:00 (MST-7)
Magnitude: 71.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 82 mph was reported at Bynum 13W (the Dellwo MCSCN site).

High Wind in NORTH ROCKY MOUNTAIN FRONT, MONTANA
From 07-DEC-15 07:21:00 to 07-DEC-15 07:21:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A wind gust to 60 mph was reported at East Glacier Park 1ENE (the Two Medicine DOT site). Also, a gust to 67 mph was reported at Heart Butte.

High Wind in FERGUS, MONTANA
From 09-DEC-15 12:58:00 to 09-DEC-15 12:58:00 (MST-7)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 61 mph was reported at Garneill 4S. Also, a gust to 61 mph was reported at Denton 5ESE.