Montana, 2010Damaging Winds in Montana, July 22, 2010
July 22, 2010 · NWS MSO · 5 events in 2 counties and zones
An upper level disturbance moved south out of British Columbia to produce a favorable environment for thunderstorms and and strong winds across northwest Montana. Numerous powerline and trees were blown down due to strong thunderstorm winds up to 65 mph.
Every event with a place to put it. Tap one for its entry below.
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- Hail
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- Deaths
- 0
- Injuries
- 0
- Property damage
- $26,000
- Crop damage
- None recorded
- Events
- 5
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.
An upper level disturbance moved south out of British Columbia to produce a favorable environment for thunderstorms and and strong winds across northwest Montana. Numerous powerline and trees were blown down due to strong thunderstorm winds up to 65 mph.
Funnel Cloud, Flathead
- When
- July 22, 5:25 PM MST to 5:30 PM MST
- Where
- Flathead County, 9.27 mi NNW of Batavia
- Reported by
- Trained Spotter
- Coordinates
- 48.300, -114.470
A trained spotter in the West Valley area reported seeing a funnel cloud near Whitefish.
Thunderstorm Wind, Flathead
- When
- July 22, 6:05 PM MST to 6:10 PM MST
- Where
- Flathead County, Columbia Falls
- Measured
- 56 kt (64 mph) estimated gust
- Property damage
- $20,000
- Reported by
- Trained Spotter
- Coordinates
- 48.370, -114.180
A trained spotter estimated wind gusts up to 65 mph with trees blown down on to roads.
Thunderstorm Wind, Flathead
- When
- July 22, 6:05 PM MST to 6:10 PM MST
- Where
- Flathead County, 1.66 mi NNW of Kalispell
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 48.220, -114.340
A trained spotter reported a 12 inch diameter tree blown down onto the road.
Thunderstorm Wind, Lake
- When
- July 22, 6:15 PM MST to 6:20 PM MST
- Where
- Lake County, 5.88 mi NW of Elmo
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Public
- Coordinates
- 47.890, -114.440
The public reported four trees blown down from thunderstorm winds at Lake Mary Ronan State Park.
Thunderstorm Wind, Lake
- When
- July 22, 6:45 PM MST to 6:50 PM MST
- Where
- Lake County, 9.17 mi SW of Swan Lake
- Measured
- 50 kt (58 mph) estimated gust
- Property damage
- $6,000
- Reported by
- Emergency Manager
- Coordinates
- 47.820, -113.980
The Lake County Emergency Manager reported trees blown down on Highway 35 near Blue Bay along Flathead Lake.
- Funnel Cloud
- A rotating column of cloud extending from a thunderstorm that did not reach the ground.
- 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.
- Flash Flooding in Wisconsin, July 22, 20101 death · $28 million · 11 events
- Excessive Heat in Missouri, July 22 to 24, 201023 injured · 29 events
- Tornadoes and Damaging Winds in Wisconsin, July 22, 20102 injured · $138,000 · EF2 · 23 events
- Flash Flooding in Illinois, July 22 to 23, 2010$3.0 million · 3 events
- Heat in Kentucky, July 22 to 24, 201011 injured · 22 events
- Flooding in Iowa, July 22 to 31, 2010$975,000 · 11 events
- Flash Flood in Arizona, July 22, 2010$1.2 million · 1 event
- Flood and Hail in Nebraska, July 22, 2010$515,000 · 1.75 in hail · 12 events
- Flash Flooding in Iowa, July 22 to 23, 2010$600,000 · 2 events
- Flash Flooding in Nebraska, July 22, 2010$200,000 · 2 events
- Tornado and Flash Flood in Michigan, July 22, 2010$100,000 · EF0 · 11 events
- Tornado in Minnesota, July 22, 2010$50,000 · EF1 · 1 event
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: 252758, 252754, 252757, 252756, 252755.