Damaging winds from a strong cold front brought trees down, power outages, damage to cars and houses, and at least two emergency travel only declarations from municipalities. Over four thousand customers were without power for up to nine hours across northwest Montana.

High Wind in WEST GLACIER REGION, MONTANA
From 01-FEB-20 06:00:00 to 01-FEB-20 18:00:00 (MST-7)
Magnitude: 54.00 MG
Property damage: 10.00K
Reported by: RAWS

Winds gusted as high as 60 mph in Hungry Horse and up to 62 mph at Marias Pass. High winds caused downed trees on US-2 between West Glacier and Marias Pass, but particularly at Nyack or at mile-marker 164. The winds also damaged power lines and transmission lines, causing power outages for approximately 9 hours. A tree fell onto a cabin 7 miles west of Marias Pass. A local ski resort, Whitefish Mountain Resort, had to close two chair lifts and a T-bar due to high winds. A rock slide occurred at mile-marker 154 on US-2 and MDT remarked that they had to remove 6 loader buckets of large boulders.

High Wind in KOOTENAI/CABINET REGION, MONTANA
From 01-FEB-20 02:00:00 to 01-FEB-20 15:00:00 (MST-7)
Magnitude: 50.00 EG
Property damage: 10.00K
Reported by: Law Enforcement

Troy dispatch reported numerous trees down, including at US-2 mile-marker 5, Old Highway 2 near the state line and 508 near Yaak.  US-2 was also closed at mile-marker 89 for a period. Multiple power outages were reported from Troy to Libby and trees fell on cars and a mobile home in Libby.

High Wind in FLATHEAD/MISSION VALLEYS, MONTANA
From 01-FEB-20 08:00:00 to 01-FEB-20 15:00:00 (MST-7)
Magnitude: 55.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Utility Company

While wind gusts between 40 and 50 mph were common, gusts near 60 occurred near Hot Springs. Downed power lines were reported by MDT, 4 miles south of Lakeside on US-93 at 1200MST.  Multiple trees were reported down and the media tweeted photos of a large tree that was uprooted in Kalispell.

High Wind in MISSOULA / BITTERROOT VALLEYS, MONTANA
From 01-FEB-20 08:00:00 to 01-FEB-20 16:00:00 (MST-7)
Magnitude: 65.00 MG
Property damage: 45.00K
Reported by: Law Enforcement

Winds were measured between 30 and 40 mph with wind gusts up to 75 mph during the event. The highest measured wind gust in the valley was 75 MPH, located southeast of Stevensville. Mount Sentinel, which is situated at 5000 feet MSL, recorded a gust to 96 MPH at 1330MST. Winds blew down power lines, blew over a semi-truck on US-93 in Stevensville, MT, which closed all 4 lanes of traffic and caused trees to fall over and total a truck in Stevensville. Also the Missoula County Sheriff issued a shelter in place and emergency travel only between Lolo and Stevensville because of the wind threat. Local utilities estimated an excess of 2800 customers without power. A utility remarked that this was major impact to them and stated that trees had fallen into power lines in at least 20 locations in Florence and east Carlton Creek area was the hardest hit with 50 trees down including 2 foot in diameter Ponderosa Pine to smaller Lodgepole trees.

High Wind in BUTTE / BLACKFOOT REGION, MONTANA
From 01-FEB-20 08:00:00 to 01-FEB-20 19:00:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Department of Highways

Winds gusted from 53 to 58 mph from Georgetown Lake to Deer Lodge and Avon. These winds resulted in part of the roof of the Deer Lodge Hotel being blown off, multiple power outages, and trailers flipped on I-90 around Butte, MT.

High Wind in POTOMAC / SEELEY LAKE REGION, MONTANA
From 01-FEB-20 13:00:00 to 01-FEB-20 19:00:00 (MST-7)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Wind gusts over 50 mph near Clinton, contributed to power outages to an estimated 800 customers from Bonner to Helmville. An area ski resort had to close down due to the high winds.