Pondera storm history
Storm events recorded in Pondera, Montana between 1950 and 2025.
141
Total events
0
Tornadoes
76
Hail
8
Floods
0
Deaths
$5.5M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Thunderstorm Wind Thunderstorm Wind
Ambient weather station. Sustained winds were 57 mph at the time of observation.
Thunderstorm Wind Thunderstorm Wind
Ambient weather station. Sustained winds were 57 mph at the time of observation.
Thunderstorm Wind Thunderstorm Wind
Peak wind gust of 52 mph resulted in a tree branch of 6 to 12 inches in diameter breaking off. Hail was the size of nickels.
Thunderstorm Wind Thunderstorm Wind
An Ambient weather station reported a 69 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
A 65 mph wind gust measured at Midway Colony MT Mesonet site.
Thunderstorm Wind Thunderstorm Wind
A 60 mph thunderstorm wind gust measured on Wednesday evening at Brady NE Montana Mesonet site.
Thunderstorm Wind Thunderstorm Wind
Trained spotter reports a partially broken power pole. Time was estimated by radar.
Thunderstorm Wind Thunderstorm Wind
An ambient weather sensor measured this strong gust.
Thunderstorm Wind Thunderstorm Wind
A personal weather station measured a severe gust.
Thunderstorm Wind Thunderstorm Wind
Public weather station measured a severe caliber gust.
Thunderstorm Wind Thunderstorm Wind
Public weather station measured a severe caliber gust.
Hail Hail
Golf ball sized hail was reported by the public on the s curve east of Brady on Brady rd.
Hail Hail
The public reported golf ball sized hail along I-15. It was hailing long and hard enough, with low visibility, that vehicles had to pull over on I-15.
Thunderstorm Wind Thunderstorm Wind
Measured via Ambient Weather.
Hail Hail
Trained spotter reported hail upwards of 1 inch, with most being nickel-sized.
Heavy Rain Heavy Rain
Social media report.
Heavy Rain Heavy Rain
Rainfall total for 24 hours (7 AM Tuesday 5/19 to 7 AM Wednesday 5/20) was 1.75 inches.
Thunderstorm Wind Thunderstorm Wind
Emergency management officials reported that a portion of a corrugated metal roof was blown off, with debris hitting a transformer and causing a power outage. The event time was estimated by radar.
Hail Hail
Pondera County Sheriff relayed a public report of golf ball size hail breaking windows on the north facing side of a home in Valier.
Hail Hail
Measured by a trained spotter 5 miles SE of Valier.
Hail Hail
Quarter size hail west of Brady. Severe crop damage.
Hail Hail
Lots of quarter to ping pong ball size hail up to 2 inches deep at mile marker 334 on Interstate 15 in the wake of a severe thunderstorm.
Heavy Rain Heavy Rain
A trained spotter reported a heavy rainfall of 1.86 inches at 6 W Brady.
Flood Flood
The water came up really fast yesterday in the late afternoon. Slowed somewhat during the night but expecting increases again this afternoon.
Flood Flood
Law enforcement reported widespread snowmelt flooding in Pondera County. Exact extent of flooding unknown. Several roads were closed and there was also some flooding of outbuildings in the county.
Hail Hail
Storm chaser reported quarter sized hail.
Thunderstorm Wind Thunderstorm Wind
Trained spotter reports tree blown down by thunderstorm outflow. Winds estimated around 60 mph.
Thunderstorm Wind Thunderstorm Wind
Public report of a temporary greenhouse tent destroyed at a grocery store.
Thunderstorm Wind Thunderstorm Wind
Conrad Airport AWOS site reported a thunderstorm wind gust of 70 mph.
Thunderstorm Wind Thunderstorm Wind
Mesonet site reported a measured wind gust of 60 mph.
Heavy Rain Heavy Rain
Heavy rain, measuring over 1.00 inches in 1 hour, was reported.
Flood Flood
Emergency manager reported Spring Creek Road was washed out and had water running over it.
Heavy Rain Heavy Rain
Heavy rain of about 1.31 inches in 24 hours was reported at the Heart Butte RAWS.
Heavy Rain Heavy Rain
Heavy rain of about 1.98 inches in 48 hours was reported.
Hail Hail
Hail measuring 1.00 inches (quarter sized) was reported covering the ground 1 mile NW of Heart Butte, MT.
Hail Hail
Hail measuring 1.75 inches (golf ball sized) was reported 5 mi SSW of Valier, MT. Windows were reported as being broken at a spotters residence.
Thunderstorm Wind Thunderstorm Wind
High winds measured at 64KT (73MPH) were reported 7 mi SSW of Conrad, MT.
Hail Hail
Hail measuring 1.00 inches (quarter sized) was reported 6 mi W of Brady, MT.
Hail Hail
Severe hail measuring 1.50 inches (approximately ping pong ball sized) was reported 5 miles SSE of Brady, MT.
Flash Flood Flash Flood
Multiple public calls about flash flooding due to thunderstorms in the area. Water was reported flowing over portions of Interstate 15 near Brady.
Heavy Rain Heavy Rain
Heavy rain of 0.92 inches in one hour was reported 4 miles S of Brady, MT as a result of strong thunderstorms in the area.
Hail Hail
Thunderstorm generated golf ball sized hail, measuring 1.75 inches, 12 miles E of Ledger.
Hail Hail
Hail of 1.00 inches was reported 10 miles NE of Brady.
Hail Hail
Quarter sized hail, measuring 1.00 inches, was reported 7 miles ESE of Ledger.
Hail Hail
Hail of 1.00 inches was reported 4 miles NW of Brady.
Hail Hail
Golf ball sized hail, measuring 1.75 inches, was reported 9 miles W of Conrad.
Hail Hail
Golf ball sized hail, measuring 1.75 inches, was reported 12 miles ENE of Brady.
Flood Flood
Several area roads closed due to flooding including parts of U.S. Highway 89.
Flood Flood
Numerous road closures across Pondera county.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 6 | 0 |
| 2024 | 7 | 0 |
| 2023 | 1 | 0 |
| 2022 | 2 | 0 |
| 2020 | 1 | 0 |
| 2019 | 7 | 0 |
| 2018 | 1 | 0 |
| 2017 | 5 | 0 |
| 2014 | 4 | 0 |
| 2013 | 7 | 0 |
| 2012 | 6 | 0 |
| 2011 | 2 | 0 |
| 2010 | 6 | 0 |
| 2009 | 1 | 0 |
| 2008 | 5 | 0 |
| 2007 | 2 | 0 |
| 2006 | 2 | 0 |
| 2005 | 3 | 0 |
| 2004 | 4 | 0 |
| 2003 | 8 | 0 |
| 2002 | 4 | 0 |
| 2001 | 4 | 0 |
| 2000 | 1 | 0 |
| 1999 | 2 | 0 |
| 1998 | 2 | 0 |
| 1997 | 3 | 0 |
| 1996 | 9 | 0 |
| 1995 | 2 | 0 |
| 1994 | 3 | 0 |
| 1993 | 4 | 0 |
| 1992 | 2 | 0 |
| 1991 | 3 | 0 |
| 1989 | 2 | 0 |
| 1988 | 5 | 0 |
| 1983 | 3 | 0 |
| 1982 | 2 | 0 |
| 1980 | 1 | 0 |
| 1975 | 1 | 0 |
| 1971 | 1 | 0 |
| 1970 | 1 | 0 |
| 1966 | 2 | 0 |
| 1965 | 1 | 0 |
| 1963 | 1 | 0 |
| 1960 | 1 | 0 |
| 1956 | 1 | 0 |