Judith Basin storm history
Storm events recorded in Judith Basin, Montana between 1950 and 2025.
549
Total events
16
Tornadoes
148
Hail
5
Floods
0
Deaths
$905K
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Thunderstorm Wind Thunderstorm Wind
Report via media: Funnel cloud was observed picking up dust for about 45 seconds and believed to have touched the ground. Location was about 6 mi south of Buffalo and 2 mi west of Garneill. No damages were reported with the landspout.
Thunderstorm Wind Thunderstorm Wind
Montana mesonet sensor Judith Gap measured a 63 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
Mesonet station MTM09 2.1 W Moccasin measured a 60 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
Mesonet station MTGYS Geyser measured a 50 kt gust.
Hail Hail
Public report of quarter sized hail around Benchland.
Hail Hail
Public caller updated with golf ball sized hail a few minutes after initial call.
Hail Hail
Trained spotter reports hail of quarter size to half dollar size along US-87 between Moccasin and Windham. Damage to automobiles reported as well.
Hail Hail
Spotter reports golf ball to egg size hail. Tree damage was also observed.
Hail Hail
Golf ball to egg size hail reported. Additionally, hail damage to vehicle and campers was reported.
Hail Hail
Report from social media showed golf ball sized hail as well as significant damage to outdoor play equipment and shattered skylights and windows. Time estimated from radar.
Hail Hail
Post event report received via social media. Size estimated from photo of hail in the palm of a hand.
Thunderstorm Wind Thunderstorm Wind
MDT sensor MTGYS Geyser measured a severe wind gust.
Thunderstorm Wind Thunderstorm Wind
AWOS station K1BM Bravo measured a severe gust.
Thunderstorm Wind Thunderstorm Wind
AWOS sensor K1CM Charlie near Geyser measured a 60 mph gust.
Hail Hail
Trained spotter reported 1 to 2 inch hail with torrential rainfall. The hail completely covered the ground, making it white.
Hail Hail
Quarter-sized hail fell for approximately 20 minutes. Damage to crops observed.
Hail Hail
Trained spotter reports golf ball sized hail.
Hail Hail
Trained spotter reports 1 inch hail.
Thunderstorm Wind Thunderstorm Wind
Measured by military AWOS site k1cm Charlie.
Thunderstorm Wind Thunderstorm Wind
Measured at site MTGYS near Geyser.
Thunderstorm Wind Thunderstorm Wind
Awos k1cm Charlie.
High Wind High Wind
AWOS station K1BM (Bravo) measured a gust of 58 mph.
Thunderstorm Wind Thunderstorm Wind
Mesonet station MTGYS (Geyser) measured a 58 mph wind gust.
Heavy Rain Heavy Rain
Trained spotter reported heavy rainfall from thunderstorms.
Funnel Cloud Funnel Cloud
In addition to quarter size hail, funnel cloud was observed due west of spotters locations (5 miles SW of Stanford).
Funnel Cloud Funnel Cloud
Funnel cloud observed halfway to the ground to the northwest of the observers locations (5 miles SW of Windham).
Funnel Cloud Funnel Cloud
Trained spotter driving from Lewistown to Great Falls, indicated the funnel cloud just ESE of Raynesford.
Hail Hail
Trained spotter reported 1 inch hail 5 miles SW near Stanford.
Hail Hail
Trained spotter reported hail up to golf ball size falling in Hobson.
Hail Hail
Hail around quarter size falling near Hobson. Report from a storm chaser.
Hail Hail
Pictures submitted via social media of golf ball to egg size hail near Moccasin.
Tornado EF0 Tornado
A brief and non impactful tornado was observed across Skull Butte. Very low funnel cloud well photographed and documented by spotter. Multiple photos show funnel nearly on the ground. Time of event, path length, and duration derived from spotter information and radar.
High Wind High Wind
Mesonet station MTM47 MDA - Benchland measured a lone gust of 58 mph.
High Wind High Wind
AWOS station K1CM Charlie measured a wind gust of 60 mph. Another sensor in the county measured a gust of 58 mph.
Heavy Snow Heavy Snow
Spur Park Snotel estimates 8 inches of snowfall over 24 hours.
High Wind High Wind
Mesonet station MTM47 MDA- Benchland measured 60 mph wind gust.
Heavy Snow Heavy Snow
Spur Park Snotel estimates 9 inches snow accumulation over 24 hours.
High Wind High Wind
Multiple sensors measured gusts of 58 mph or greater, including mesonet station mtm47 MDA - Benchland which measured a 67 mph gust.
High Wind High Wind
MDT Geyser station measures a 52 kt (60 mph) non-thunderstorm wind gust.
Heavy Snow Heavy Snow
Trained spotter at 5 SW Stanford observes a snow snow squall. Near zero visibility due to falling/blowing snow and highly variable winds.
Heavy Snow Heavy Snow
KLWT observes a snow squall. Visibility fell to a quarter mile for 12 minutes and peak wind gust was 28 mph.
Winter Weather Winter Weather
Snow squall. Trained spotter at 5 SW Stanford observed a snow squall. Near zero visibility due to falling/blowing snow and highly variable winds.
Winter Weather Winter Weather
Snow squall. KLWT observed a snow squall. Visibility fell to a quarter mile for 12 minutes and peak wind gust was 28 mph.
Cold/Wind Chill Cold/Wind Chill
Two sites, including mesonet station sfjm8 S. Fork Judith Raws 12 NE Checkerboard reported wind chills of -40F or colder the morning of Feb 23.
High Wind High Wind
AWOS station k1cm charlie measured a 59 mph gust.
High Wind High Wind
Mesonet sensor 2 miles south-southeast of Geyser recorded a wind gust of 58 mph.
High Wind High Wind
Mesonet sensor 3 miles east-northeast of Benchland measured a wind gust of 67 mph.
High Wind High Wind
Scattered reports of high winds in Judith Basin County. Strongest was a gust to 64 mph at AWOS sensor K1CM Charlie.
High Wind High Wind
Multiple sensors report wind gusts between 58 and 66 mph. 66 mph was recorded by the sensor in Geyser.
High Wind High Wind
Mesonet station 3 ENE Benchland measured a 50 kt (58 mph) non-thunderstorm wind gust.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 11 | 0 |
| 2024 | 7 | 0 |
| 2023 | 2 | 0 |
| 2022 | 31 | 1 |
| 2021 | 32 | 0 |
| 2020 | 31 | 0 |
| 2019 | 25 | 1 |
| 2018 | 19 | 1 |
| 2017 | 19 | 0 |
| 2016 | 17 | 0 |
| 2015 | 10 | 0 |
| 2014 | 26 | 0 |
| 2013 | 22 | 0 |
| 2012 | 26 | 0 |
| 2011 | 17 | 0 |
| 2010 | 16 | 0 |
| 2009 | 10 | 0 |
| 2008 | 14 | 0 |
| 2007 | 25 | 1 |
| 2006 | 8 | 0 |
| 2005 | 12 | 0 |
| 2004 | 14 | 1 |
| 2003 | 14 | 1 |
| 2002 | 34 | 2 |
| 2001 | 21 | 0 |
| 2000 | 18 | 0 |
| 1999 | 10 | 1 |
| 1998 | 7 | 1 |
| 1997 | 7 | 0 |
| 1996 | 3 | 0 |
| 1995 | 4 | 0 |
| 1994 | 4 | 2 |
| 1991 | 3 | 0 |
| 1989 | 4 | 0 |
| 1988 | 3 | 0 |
| 1982 | 2 | 0 |
| 1979 | 1 | 0 |
| 1977 | 2 | 2 |
| 1975 | 3 | 0 |
| 1974 | 2 | 0 |
| 1973 | 1 | 0 |
| 1969 | 1 | 0 |
| 1968 | 2 | 0 |
| 1965 | 2 | 1 |
| 1962 | 1 | 0 |
| 1958 | 2 | 0 |
| 1957 | 1 | 1 |
| 1956 | 2 | 0 |
| 1955 | 1 | 0 |