Thunderstorm Wind, Sweet Grass
- When
- July 26, 2:00 PM MST
- Where
- Sweet Grass County, 0.69 mi N of Big Timber
- Measured
- 51 kt (59 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 45.840, -109.950
Mesonet station gw0007 near Big Timber.
Damaging Wind in Montana, July 26, 2025
A single, severe thunderstorm produced gusts up to 59 mph near Big Timber, MT.
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
- 1
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 BYZ wrote it up.
A single, severe thunderstorm produced gusts up to 59 mph near Big Timber, MT.
The radar
The Billings radar (KBLX), 104 km away, was scanning. The volume nearest the first event began at 20:58 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
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
- Dense Fog in California, July 26, 2025
- Flash Flooding in American Samoa, July 26, 2025
- Lightning Strike in Oklahoma, July 26, 2025
- Hail and Damaging Winds in North Dakota, July 26 to 27, 2025
- Flash Flooding and Damaging Winds in Pennsylvania, July 26 to 27, 2025
- Lightning Strike in North Carolina, July 26, 2025
- Flash Flooding and Flooding in Ohio, July 26, 2025
- Damaging Winds and Lightning Strikes in Pennsylvania, July 26, 2025
- Excessive Heat and Heat in Mississippi, July 26 to 28, 2025
- Tornado in Michigan, July 26, 2025
- Flash Flood and Damaging Wind in Indiana, July 26, 2025
- Excessive Heat and Heat in Arkansas, July 26 to 28, 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 2026-10-01. Each event’s entry at NCEI: 1288095.