Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 12 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
May 17, 2023 · Cascade, Montana
BTCM8, Belt Creek near Monarch, crested at 6.79 feet on May 17th. Water levels resulted in strong currents that claimed the lives of two men visiting from Canada. The two men went into the fast moving water to retrieve their dog. The dog made it to shore, but the two men were pul…
January 12, 2002 · Cascade, Montana
A high wind event moved across north central Montana on the 12th. Sustained wind speeds of 40 to 50 mph were very common throughout the afternoon, and into the evening hours. Wind gusts were near 70 mph during the peak of the event. These winds started to increase in strength aro…
May 13, 2026 · Cascade, Montana
Mesonet station MTM76 Cascade E Mda thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
AWOS station K1IM India thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
Trained spotter reported thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
AWOS station K1AM Alpha thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
ASOS station KGTF Great Falls Airport thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
MT Mesonet Belt NW thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
AWOS station KGFA Malmstrom Airforce Base thunderstorm wind gust.
May 13, 2026 · Cascade, Montana
ASOS station KGTF Great Falls Airport thunderstorm wind gust. Social media relayed a report of wind damage to a home roof and a barn roof in Great Falls due to thunderstorm winds.
December 26, 2025 · Cascade, Montana
RSOIS equipment at wfo Great Falls measured a 62 mph gust associated with a convective shower.
December 26, 2025 · Cascade, Montana
ASOS station KGTF Great Falls Airport. A few lighting strikes developed south of town after the initial gust blew through.
August 19, 2025 · Cascade, Montana
MT mesonet station Sun River SE.
August 19, 2025 · Cascade, Montana
Asos station Kgtf Great Falls Airport.
August 19, 2025 · Cascade, Montana
Ambient weather station north of Great Falls.
August 19, 2025 · Cascade, Montana
Ambient weather station. Sustained winds were 55 mph at the time of observation.
August 4, 2025 · Cascade, Montana
AWOS station K1IM India measured the gust.
July 31, 2025 · Cascade, Montana
Public reported 1 inch hail. Time of report estimated via radar.
July 31, 2025 · Cascade, Montana
There was a report of 6 inches of flowing water in the street in northwest Great Falls. Garbage cans floating down the street. There was another report of water covering 15th Street North in Black Eagle. No specific damages or injuries were reported from the flooding.
July 29, 2025 · Cascade, Montana
Facebook report of 1 inch hail in Tiger Butte.
July 28, 2025 · Cascade, Montana
Corrects previous hail report from 9 WNW Monarch. Facebook report of 1 inch hail in Tiger Butte.
June 27, 2025 · Cascade, Montana
Ambient weather sensor in northern Cascade county measured a 59 mph gust.
June 15, 2025 · Cascade, Montana
Mping report of quarter sized hail.
June 15, 2025 · Cascade, Montana
Quarter size hail reported by member of the public.
June 15, 2025 · Cascade, Montana
Quarter size hail reported. Damage to vehicles and RV reported as well.
June 15, 2025 · Cascade, Montana
Public report with image of quarter sized hail next to a quarter for reference.
June 15, 2025 · Cascade, Montana
Quarter sized hail reported.
June 15, 2025 · Cascade, Montana
Trained spotter reports quarter size hail along with 30 to 50 mph winds along highway 87 north of the Republic Services Landfill and south of Dent Bridge Road.
June 15, 2025 · Cascade, Montana
Social media report of three quarter of an inch to an inch sized hail.
June 15, 2025 · Cascade, Montana
Social media report of 1 inch hail. Time and location estimated.
June 15, 2025 · Cascade, Montana
Quarter sized hail reported.
June 15, 2025 · Cascade, Montana
Trained spotter reports quarter size to slightly larger than quarter size hail.
June 15, 2025 · Cascade, Montana
Ambient weather station measured gust.
May 11, 2025 · Cascade, Montana
Corrects previous non-thunderstorm wind dmg report from 2 SW Great Falls to Thunderstorm Wind Dmg. Large conifer tree snapped and down on Cherry Dr in Fox Farm area.
May 11, 2025 · Cascade, Montana
A 68 mph gust measured at NWS Great Falls (corrected from Non-Tstm Gust to Tstm gust).
May 11, 2025 · Cascade, Montana
A 63 mph gust at Ambient weather station.
May 11, 2025 · Cascade, Montana
A 59 mph gust at ambient weather station (corrected from Non-Tstm Gust to Tstm gust).
May 11, 2025 · Cascade, Montana
A 58 mph gust at Ambient weather station (corrected from Non-Tstm Gust to Tstm gust).
May 10, 2025 · Cascade, Montana
A 63 mph wind gust measured at a ambient weather station on NW side of Great Falls.
May 10, 2025 · Cascade, Montana
A 65 mph gust measured at Ambient weather station on west side of Great Falls.
August 23, 2024 · Cascade, Montana
AWOS station K1IM India measured a severe gust.
August 23, 2024 · Cascade, Montana
Ambient Weather Sensor measured gust.
August 23, 2024 · Cascade, Montana
Mesonet station FW1843 measured a severe gust 10 miles WSW of Stockett.
August 23, 2024 · Cascade, Montana
ASOS station KGTF Great Falls Airport measured a sever gust.
August 23, 2024 · Cascade, Montana
Ambient weather sensor measured a severe gust.
August 23, 2024 · Cascade, Montana
Mesonet station MTM76 Cascade E MDA measured a severe gust.
August 23, 2024 · Cascade, Montana
Public report of a 59 mph gust. Time estimated using radar.
August 19, 2024 · Cascade, Montana
ASOS station KGTF Great Falls Airport measured a sever caliber gust.
August 18, 2024 · Cascade, Montana
Public weather station reported a severe caliber gust. Location was estimated.
June 21, 2024 · Cascade, Montana
Time and location estimated. Hail stones between 1 and 1.5 inches were observed.