Thunderstorm Wind, Valley
- When
- July 21, 10:44 PM MST
- Where
- Valley County, King Coulee Raws
- Measured
- 54 kt (62 mph) measured gust
- Reported by
- RAWS
- Coordinates
- 47.800, -107.020
A wind gust of 62 mph was measured at the King Coulee RAWS site (KIGM8).
Damaging Winds in Montana, July 21, 2025
Severe wind gusts from thunderstorms mainly affected areas around Fort Peck Lake.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS GGW wrote it up.
Severe wind gusts from thunderstorms mainly affected areas around Fort Peck Lake.
The radar
The Glasgow radar (KGGW), 54 km away, was scanning. The volume nearest the first event began at 05:46 UTC.
Event by event
2 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, McCone
- When
- July 21, 10:54 PM MST
- Where
- McCone County, 2.41 mi WSW of Ft Peck Lake Handar
- Measured
- 52 kt (60 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 48.010, -106.400
A wind gust of 60 mph was measured at the Fort Peck Dam mesonet site (GGWFP).
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Tennessee, July 21, 2025
- Rip Current in Michigan, July 21, 2025
- Flash Flooding and Flooding in Kansas, July 21 to 24, 2025
- Damaging Winds in Oklahoma, July 21, 2025
- Damaging Winds in Georgia, July 21, 2025
- Excessive Heat and Heat in Mississippi, July 21, 2025
- Excessive Heat and Heat in South Dakota, July 21 to 23, 2025
- Damaging Winds in Texas, July 21, 2025
- Hail and Damaging Winds in Kansas, July 21, 2025
- Excessive Heat and Heat in Iowa, July 21 to 23, 2025
- Excessive Heat and Heat in Arkansas, July 21, 2025
- Damaging Winds in Utah, July 21, 2025
More
Every storm in Montana in 2025Every state in 2025This day in weather historyWarnings in Montana, July 2025
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1271598, 1271599.