Showers and thunderstorms developed across Central and Southwest Montana, leading to strong, gusty winds, small hail, brief downpours, and an array of lightning. Dry and seasonally mild conditions returned thereafter, leading to an increase of westerly winds in excess 55 mph across the Rocky Mountain Front and adjacent plains. Cooler temperatures returned during the latter half of the week, with temperatures 10 to 20 degrees below average and widespread precipitation. Lower elevations saw generally a tenth to half an inch of liquid precipitation, whereas higher elevations saw several inches of snowfall.

Thunderstorm Wind in BROADWATER, MONTANA
From 16-MAY-22 14:03:00 to 16-MAY-22 14:03:00 (MST-7)
Location: TOWNSEND
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station Ginger Raws recorded a wind gust of 50 knots.

High Wind in CASCADE, MONTANA
From 19-MAY-22 15:59:00 to 19-MAY-22 15:59:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station FW2944 Belt measured 64 mph wind gust.

High Wind in JUDITH BASIN, MONTANA
From 19-MAY-22 18:15:00 to 19-MAY-22 18:15:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTM47 MDA- Benchland measured 60 mph wind gust.

Winter Storm in HILL, MONTANA
From 20-MAY-22 08:44:00 to 20-MAY-22 08:44:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy wet snowfall of 6 inches overnight in the Bears paw Mountains.

Heavy Snow in NORTH ROCKY MOUNTAIN FRONT, MONTANA
From 19-MAY-22 16:00:00 to 20-MAY-22 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Automated equipment at Mount Lockhart estimated 9 inches of new snow for the event.

Thunderstorm Wind in GALLATIN, MONTANA
From 16-MAY-22 16:30:00 to 16-MAY-22 16:30:00 (MST-7)
Location: PATTERSON
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An ambient weather sensor recorded a wind gust of 52 knots. Air temperature dropped from 67 F to 42 F.

High Wind in FERGUS, MONTANA
From 19-MAY-22 11:15:00 to 19-MAY-22 11:15:00 (MST-7)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Personal weather station recorded a wind gust of 65.8 mph in Winifred.

High Wind in GALLATIN, MONTANA
From 19-MAY-22 12:30:00 to 19-MAY-22 12:30:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTM07 Churchill S measured wind gust of 56 knots.

High Wind in NORTH ROCKY MOUNTAIN FRONT, MONTANA
From 18-MAY-22 16:21:00 to 18-MAY-22 16:21:00 (MST-7)
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station DCRM8 Deep Creek raws measured 72 mph wind gust.

High Wind in EASTERN PONDERA, MONTANA
From 19-MAY-22 15:30:00 to 19-MAY-22 15:30:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTM05 Arc-WTRI Conrad measured 60 mph wind gust.

High Wind in EASTERN TETON, MONTANA
From 18-MAY-22 18:32:00 to 18-MAY-22 18:32:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTPND Pendroy (MT DOT) measured 67 mph wind gust.

High Wind in TOOLE, MONTANA
From 18-MAY-22 12:35:00 to 18-MAY-22 12:35:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTSWT Sweetgrass (MT DOT) measured 65 mph wind gust.

High Wind in HILL, MONTANA
From 19-MAY-22 14:34:00 to 19-MAY-22 14:34:00 (MST-7)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ambient weather sensor reported 71 mph wind gust 1 mile W of Havre.

High Wind in SOUTHERN LEWIS AND CLARK, MONTANA
From 19-MAY-22 09:29:00 to 19-MAY-22 09:29:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station TR276 L-C portable no. 1 measured 67 mph wind gust.

High Wind in MADISON, MONTANA
From 19-MAY-22 09:00:00 to 19-MAY-22 09:00:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station YCTIM Yellowstone club - avalanche measured 60 mph wind gust.

Winter Storm in MEAGHER, MONTANA
From 20-MAY-22 04:00:00 to 20-MAY-22 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Reported 8 inches of snowfall relayed via social media with location estimated by report description.

High Wind in LIBERTY, MONTANA
From 19-MAY-22 12:27:00 to 19-MAY-22 12:27:00 (MST-7)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station FW9939 Chester measured 68 mph wind gust.

Winter Storm in CASCADE, MONTANA
From 19-MAY-22 17:00:00 to 20-MAY-22 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Snowfall of 7.5 inches fell. Some settling and melting of the snow (from a warm ground) has occurred since snow began falling Thursday evening.

High Wind in BLAINE, MONTANA
From 19-MAY-22 16:15:00 to 19-MAY-22 16:15:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station MTM 52 measured 60 mph wind gust 7 miles SE Hogeland.

High Wind in CHOUTEAU, MONTANA
From 19-MAY-22 18:05:00 to 19-MAY-22 18:05:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station DVI01740 8 miles SSW of Fort Benton measured 59 knot wind gust.