Chouteau storm history
Storm events recorded in Chouteau, Montana between 1950 and 2025.
556
Total events
15
Tornadoes
151
Hail
10
Floods
0
Deaths
$3.3M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado F3 Tornado
Tornado F3 Tornado
Thunderstorm Wind Thunderstorm Wind
Big Sandy MT Mesonet peak gust.
Thunderstorm Wind Thunderstorm Wind
Montana mesonet station Loma N.
Thunderstorm Wind Thunderstorm Wind
Ambient weather station Stone windmill measured a 63 mph gust.
Hail Hail
Social media report of one inch diameter hail in Fort Benton.
Hail Hail
Report from social media.
Hail Hail
Social media image of approximately golf ball sized hail in Highwood. Time estimated using radar.
Hail Hail
Report on social media showed golf ball sized hail with estimated 60 mph wind gusts. Time estimated based on radar.
Thunderstorm Wind Thunderstorm Wind
Montana mesonet station Big Sandy SE measured a 59 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
Montana mesonet station Big Sandy SE (Acebsase) measured a 69 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
Landspout. NWS employee relayed a report of a landsput near Floweree. It was brief in nature. Location estimated.
Thunderstorm Wind Thunderstorm Wind
Landspout. The public relayed a report of a landspout to broadcast media on social media. Time and location is estimated.
Thunderstorm Wind Thunderstorm Wind
The time and location was estimated. A farmer stated that freshly cut hay was blown by approximately 80 mph winds.
Hail Hail
Trained spotter reported hail up to the size of quarters.
Thunderstorm Wind Thunderstorm Wind
A spotter traveling northbound on US-87 noted two snapped power poles near mile marker 31. Power outages were confirmed in the area.
Thunderstorm Wind Thunderstorm Wind
Mesonet station GW3862 Loma 18 NW measured a sever caliber gust.
Hail Hail
Public reports quarter sized hail. Gusty winds were also observed, which blew around items at the residence.
Hail Hail
A photo submitted from the public showed estimated 2.5 inch hail, along with damage to a vehicle windshield. Time was estimated via radar.
Flood Flood
MT Department of Emergency Services reported $177,000 worth of damages to roads and bridges near the Bears Paw Mountains. Additional damages to utilities totaled $17,000.
Flood Flood
Chouteau County Sheriff's Office reported flood-related closures in Big Sandy at North Lonesome Lake Road between Ihmsen Well Road and Gardiner Road and from Black Coulee Road to Rudyard Road.
Thunderstorm Wind Thunderstorm Wind
Mesonet station MTLOM Loma (MT DOT) reported a 52 knot wind gust.
Thunderstorm Wind Thunderstorm Wind
Mesonet station MTM90 Big Sandy SW reported 54 knot wind gust.
Heavy Rain Heavy Rain
A coop observer reported 1.57 inches of rain fell over 90 minutes during a thunderstorm.
High Wind High Wind
Mesonet station K79S 1.4 miles NE of Fort Benton (GTFWFO) measured 59 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
Trained spotter reported 72 mph wind gust. Some tree damage. Time estimated via radar.
Thunderstorm Wind Thunderstorm Wind
Sustained 77 gusting 91 mph. Unconfirmed 103mph gust. Recorded pressure drop of 11mb in 5 min. Recorded via ambient weather.
Thunderstorm Wind Thunderstorm Wind
An ambient station reported a 70 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
An ambient weather station reported 58 mph wind gust 11 miles NNE of Geraldine.
Hail Hail
Video from Virgelle of hail ranging from half inch to nearly one inch in size.
High Wind High Wind
Two sensors measured gusts in excess of 58 mph, including mesonet station mtm02 10.2 S Loma which measured a 61 mph gust.
Heavy Rain Heavy Rain
Coop reporter reports 3.18 inches of rain. Time start estimated by radar.
Heavy Rain Heavy Rain
Coop observer updates report to 5.06 inches rain accumulation.
High Wind High Wind
Mesonet station DVI01740 8 miles SSW of Fort Benton measured 59 knot wind gust.
High Wind High Wind
MTM02 station (10 S Loma) measured a 51 kt (59 mph) non-thunderstorm wind gust.
High Wind High Wind
Station at 10 S Loma (MTM02) measured a 51 kt (59 mph) non-thunderstorm wind gust.
High Wind High Wind
Big Sandy station MTM90 measured a 58 kt (67 mph) non-thunderstorm wind gust.
Thunderstorm Wind Thunderstorm Wind
Fort Benton Co-op observer measured a 54 kt (62 mph) thunderstorm wind gust.
High Wind High Wind
Multiple sensors measured winds gusts of 58 mph or greater, including mesonet station mtm02 10.2 S Loma (MT-MESO) which measured a gust of 59 mph.
Heavy Snow Heavy Snow
Public report of 8 to 12 inches near Highwood.
High Wind High Wind
Multiple senors measured gusts from 58 to 60 mph, including mesonet station mtm02 10.2 S Loma (mt-meso).
High Wind High Wind
Mesonet station mtm02 10.2 S Loma (mt-meso) measured a 59 mph wind gust.
High Wind High Wind
Multiple reports of wind gusts over 58 mph, including a gust to 66 mph from 9 miles southeast of Fort Benton from mesonet station mtm02.
High Wind High Wind
Mesonet station 8 miles east-southeast of Fort Benton (mtm02) measured wind gusts to 66 mph.
High Wind High Wind
Mesonet station 10 S Loma measured a 56 kt (64 mph) non-thunderstorm wind gust.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station near Big Sandy recorded a wind gust of -43. Only report in the county.
High Wind High Wind
Winds across Choteau County gusted over 60 mph, starting at 6:15 and lasting through at least noon. Highest report occurred at noon at a mesonet station 10.2 miles south of Loma.
High Wind High Wind
Wind gust of 81 mph via Facebook. Other locations in the area gusted over to or over 63 mph.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 11 | 0 |
| 2024 | 7 | 0 |
| 2023 | 1 | 0 |
| 2022 | 24 | 0 |
| 2021 | 29 | 0 |
| 2020 | 23 | 0 |
| 2019 | 17 | 0 |
| 2018 | 12 | 1 |
| 2017 | 23 | 0 |
| 2016 | 16 | 0 |
| 2015 | 13 | 0 |
| 2014 | 29 | 0 |
| 2013 | 25 | 0 |
| 2012 | 20 | 1 |
| 2011 | 16 | 0 |
| 2010 | 15 | 0 |
| 2009 | 21 | 0 |
| 2008 | 23 | 0 |
| 2007 | 26 | 0 |
| 2006 | 13 | 0 |
| 2005 | 14 | 0 |
| 2004 | 13 | 0 |
| 2003 | 21 | 0 |
| 2002 | 18 | 0 |
| 2001 | 17 | 0 |
| 2000 | 23 | 0 |
| 1999 | 6 | 1 |
| 1998 | 5 | 1 |
| 1997 | 13 | 0 |
| 1996 | 8 | 0 |
| 1995 | 2 | 0 |
| 1994 | 1 | 0 |
| 1993 | 4 | 0 |
| 1992 | 3 | 1 |
| 1991 | 3 | 0 |
| 1990 | 7 | 1 |
| 1989 | 3 | 0 |
| 1988 | 9 | 4 |
| 1985 | 3 | 0 |
| 1983 | 1 | 0 |
| 1980 | 1 | 1 |
| 1979 | 1 | 0 |
| 1976 | 1 | 0 |
| 1974 | 2 | 0 |
| 1973 | 3 | 1 |
| 1971 | 1 | 0 |
| 1970 | 1 | 0 |
| 1966 | 2 | 0 |
| 1965 | 1 | 1 |
| 1963 | 1 | 1 |
| 1960 | 1 | 1 |
| 1958 | 2 | 0 |
| 1957 | 1 | 0 |