Deep southwesterly flow aloft developed in advance of a vigorous upper-level low leading to the development of storm activity, some severe, across much of the CWA, but particularly along the Hi-Line. Although some hail was produced, this was primarily a strong, gusty wind event.

High Wind in CHOUTEAU, MONTANA
From 18-JUL-22 13:45:00 to 18-JUL-22 13:45:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station K79S 1.4 miles NE of Fort Benton (GTFWFO) measured 59 mph wind gust.

High Wind in FERGUS, MONTANA
From 18-JUL-22 15:30:00 to 18-JUL-22 15:30:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station JPKM8 (Judith Peak Raws) measured 60 mph wind gust. Time estimated.

High Wind in GALLATIN, MONTANA
From 18-JUL-22 14:44:00 to 18-JUL-22 14:44:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured 59 mph wind gust 3 miles ENE of Gallatin Gateway.

High Wind in NORTH ROCKY MOUNTAIN FRONT, MONTANA
From 18-JUL-22 14:10:00 to 18-JUL-22 14:10:00 (MST-7)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured a 62 mph wind gust.

High Wind in HILL, MONTANA
From 18-JUL-22 13:00:00 to 18-JUL-22 13:00:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTIVN (Inverness) MT DOT measured 60 mph wind gust.

High Wind in SOUTHERN LEWIS AND CLARK, MONTANA
From 18-JUL-22 14:44:00 to 18-JUL-22 14:44:00 (MST-7)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported a 66 mph wind gust 11 miles W of Helena.

High Wind in SOUTHERN LEWIS AND CLARK, MONTANA
From 18-JUL-22 21:29:00 to 18-JUL-22 21:29:00 (MST-7)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station TR276 (L-C Portable #1) measured 68 mph wind gust.

High Wind in LIBERTY, MONTANA
From 18-JUL-22 12:57:00 to 18-JUL-22 12:57:00 (MST-7)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station FW9939 (Chester) measured 71 mph wind gust.

Hail in GLACIER, MONTANA
From 18-JUL-22 01:36:00 to 18-JUL-22 01:36:00 (MST-7)
Location: BROWNING
Magnitude: 1.50 
Crop damage: 0.00K
Reported by: Public

Public reports via social media of 1.5 inch hail. Multiple reports of broken windows in the city of Browning.

Hail in GLACIER, MONTANA
From 18-JUL-22 10:45:00 to 18-JUL-22 10:45:00 (MST-7)
Location: CUTBANK ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported large hail. Estimated time and hail size based on phone report.

Thunderstorm Wind in GLACIER, MONTANA
From 18-JUL-22 02:00:00 to 18-JUL-22 02:00:00 (MST-7)
Location: SUNDANCE
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station reports a 74 mph wind gust.

High Wind in BROADWATER, MONTANA
From 18-JUL-22 16:54:00 to 18-JUL-22 16:54:00 (MST-7)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station EKHM8 (Elkhorn) measured 63 mph wind gust.

Avalanche in BROADWATER, MONTANA
From 18-JUL-22 17:00:00 to 18-JUL-22 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station GINM8 (Ginger) measured 60 mph wind gust.

High Wind in CASCADE, MONTANA
From 18-JUL-22 14:35:00 to 18-JUL-22 14:35:00 (MST-7)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

ASOS station KGTF (Great Falls Airport) measured 62 mph wind gust.

High Wind in CASCADE, MONTANA
From 18-JUL-22 15:55:00 to 18-JUL-22 15:55:00 (MST-7)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

NWS employee measured 61 mph wind gust via ultrasonic wind sensor.

Thunderstorm Wind in GLACIER, MONTANA
From 18-JUL-22 02:08:00 to 18-JUL-22 02:08:00 (MST-7)
Location: CUTBANK
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured 81 mph wind gust 1 mile SW of Cut Bank.

Thunderstorm Wind in GLACIER, MONTANA
From 18-JUL-22 02:19:00 to 18-JUL-22 02:19:00 (MST-7)
Location: SUNDANCE
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station 15 miles W of Cut Bank measured 74 mph wind gust.

Thunderstorm Wind in GLACIER, MONTANA
From 18-JUL-22 02:05:00 to 18-JUL-22 02:05:00 (MST-7)
Location: (CTB)CUTBANK MUNI AR
Magnitude: 68.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

ASOS station (Cut Bank Airport) measured 68 mph wind gust.

Thunderstorm Wind in GLACIER, MONTANA
From 18-JUL-22 02:12:00 to 18-JUL-22 02:12:00 (MST-7)
Location: (CTB)CUTBANK MUNI AR
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

ASOS station (Cut Bank Airport) measured 77 mph wind gust.

Thunderstorm Wind in TOOLE, MONTANA
From 18-JUL-22 02:30:00 to 18-JUL-22 02:30:00 (MST-7)
Location: KEVIN
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station DW0975 near Kevin measured 58 mph wind gust.

Hail in BLAINE, MONTANA
From 18-JUL-22 13:00:00 to 18-JUL-22 13:00:00 (MST-7)
Location: ST PAULS
Magnitude: 0.88 
Reported by: Trained Spotter

Hail around nickel sized. Time estimated via radar.

High Wind in CASCADE, MONTANA
From 18-JUL-22 15:03:00 to 18-JUL-22 15:03:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

NWS Office measured 64 mph wind gust via RSOIS.

High Wind in LIBERTY, MONTANA
From 18-JUL-22 13:16:00 to 18-JUL-22 13:16:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet stationGW1986 (Lothair 9 N) measured a 59 mph wind gust.

High Wind in LIBERTY, MONTANA
From 18-JUL-22 13:58:00 to 18-JUL-22 13:58:00 (MST-7)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station FW9939 (Chester) measured a 61 mph wind gust.

High Wind in MADISON, MONTANA
From 18-JUL-22 13:42:00 to 18-JUL-22 13:42:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTNOR (Norris Hill) MT DOT measured 58 mph wind gust.

High Wind in SOUTHERN ROCKY MOUNTAIN FRONT, MONTANA
From 18-JUL-22 12:46:00 to 18-JUL-22 12:46:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured 65 mph wind gust near Bartsch Farms.

High Wind in SOUTHERN ROCKY MOUNTAIN FRONT, MONTANA
From 18-JUL-22 20:45:00 to 18-JUL-22 20:45:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station DELMT (Dellwo) measured 60 mph wind gust.

High Wind in CASCADE, MONTANA
From 18-JUL-22 15:06:00 to 18-JUL-22 15:06:00 (MST-7)
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

ASOS station KGTF (Great Falls Airport) measured 74 mph wind gust.

High Wind in CASCADE, MONTANA
From 18-JUL-22 14:45:00 to 18-JUL-22 14:45:00 (MST-7)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reports wind gust of 63 mph (ambient weather network).

High Wind in GALLATIN, MONTANA
From 18-JUL-22 15:13:00 to 18-JUL-22 15:13:00 (MST-7)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured 68 mph wind gust near Sourdough Ridge.

High Wind in GALLATIN, MONTANA
From 18-JUL-22 15:26:00 to 18-JUL-22 15:26:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured 64 mph wind gust near Hyalite Foothills.

High Wind in NORTH ROCKY MOUNTAIN FRONT, MONTANA
From 18-JUL-22 18:16:00 to 18-JUL-22 18:16:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather sensor measured a 59 mph gust.

High Wind in JUDITH BASIN, MONTANA
From 18-JUL-22 18:00:00 to 18-JUL-22 18:00:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS station K1BM (Bravo) measured a gust of 58 mph.

High Wind in SOUTHERN LEWIS AND CLARK, MONTANA
From 18-JUL-22 13:21:00 to 18-JUL-22 13:21:00 (MST-7)
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather station measured a 70 mph wind gust.

High Wind in LIBERTY, MONTANA
From 18-JUL-22 13:00:00 to 18-JUL-22 13:00:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station GW0416 (Joplin) measured a 60 mph wind gust.