TornadoLookup

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Central and Southern Valley County, Montana

Tornadoes, hail, floods and severe storms recorded here between 1996 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

0
Tornado reports
0
Hail reports
4
Floods since 1996
386
All events
1
Deaths
$233K
Property damage

Year by year

19962026
Hover or tap a bar to see that year.
All storm eventsTornadoes

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.

Most significant events

The strongest tornadoes, deadliest events and biggest damage here, up to 50.

November 14, 2010 · Central and Southern Valley, Montana
Winter Weather Winter Weather1 death
Valley County Law Enforcement reported an auto accident on Highway 24 about 3 miles southeast of Glasgow. Occupant was believed to loose control on icy patch on bridge and was partially ejected.
May 14, 2026 · Central and Southern Valley, Montana
High Wind High Wind
The Glasgow International Airport ASOS site (KGGW) measured a wind gust of 82 mph. Some blowing dust was also observed, mainly east of Nashua (see image).
April 23, 2026 · Central and Southern Valley, Montana
Blizzard Blizzard
Observations from the Glasgow Airport ASOS, DOT reports of severe driving conditions and an NWS Employee confirmed near-zero visibility in blowing snow. Additionally at 9:15 AM, DOT reported a semi-truck slide-off resulting in blocked lanes of traffic.
April 23, 2026 · Central and Southern Valley, Montana
High Wind High Wind
The St Marie MT-24 DOT site (MTSTM) recorded a wind gust of 68 mph.
April 23, 2026 · Central and Southern Valley, Montana
High Wind High Wind
The King Coulee RAWS site (KIGM8) recorded a wind gust of 61 mph.
March 17, 2026 · Central and Southern Valley, Montana
High Wind High Wind
Multiple observations in central and southern Valley County recorded wind gusts in excess of 57 mph, the strongest of which was 60 mph, measured at the Vandalia N Montana Climate Office mesonet site (MTM34).
March 12, 2026 · Central and Southern Valley, Montana
High Wind High Wind
A few observations in central and southern Valley County recorded wind gusts in excess of 62 mph, the strongest of which was 66 mph, measured at the King Coulee RAWS site (KIGM8).
March 8, 2026 · Central and Southern Valley, Montana
High Wind High Wind
Multiple observations in central and southern Valley County recorded wind gusts in excess of 59 mph, the strongest of which was 75 mph, measured at the Glasgow Airport ASOS site (KGGW).
February 17, 2026 · Central and Southern Valley, Montana
Blizzard Blizzard
An NWS Employee reported near white-out blizzard conditions while driving along US-Highway 2 between Oswego and Glasgow. Time estimated by radar.
February 2, 2026 · Central and Southern Valley, Montana
Dense Fog Dense Fog
The Glasgow airport ASOS (KGGW) reported visibility of 1/2 mile or less for about 1 1/2 hours.
January 20, 2026 · Central and Southern Valley, Montana
High Wind High Wind
Multiple locations recorded severe wind gusts, some up to 62 mph.
January 17, 2026 · Central and Southern Valley, Montana
High Wind High Wind
The BLM Vandalia N mesonet site (MTM34) measured a 60 mph wind gust.
January 15, 2026 · Central and Southern Valley, Montana
High Wind High Wind
The Montana Climate office mesonet site Larslan SW (LLNM8) measured a 66 mph wind gust.
January 1, 2026 · Central and Southern Valley, Montana
Freezing Fog Freezing Fog
Power was out for more than 24 hours at a residence in Larslan. Power lines in the area were weighed down and stretched causing brief power outages across the area. Near zero visibility created hazardous driving conditions at times. Less than a quarter mile visibility was not con…
December 17, 2025 · Central and Southern Valley, Montana
Blizzard Blizzard
The Glasgow airport ASOS site (KGGW) recorded visibility of 1/4 mile or worse in blowing snow for about 4.5 hours. Multiple other reports included stranded motorists unable to see beyond the hoods of their vehicles, severe driving conditions, long-term power outages and school ca…
December 10, 2025 · Central and Southern Valley, Montana
Heavy Snow Heavy Snow
Meteorologists at the National Weather Service Office in Glasgow, measured 9.6 inches of snow, some of which easily compacted and melted on contact. Power outages and fallen tree limbs were also common in Glasgow. Additional trained spotter snowfall reports included 10 inches at …
December 9, 2025 · Central and Southern Valley, Montana
High Wind High Wind
Wind gusts up to 63 mph were reported at both the King Coulee RAWS site (KIGM8) and the Barth Springs Montana Climate Office Mesonet site (ARTM8).
November 27, 2025 · Central and Southern Valley, Montana
Winter Storm Winter Storm
Snowfall began roughly at 10:00 AM on November 27th in the southwest portion of the zone, then spread northeast, reaching the Glasgow area about 2:30 AM on November 28th. Snow ended roughly 1:00 AM to 3:00 AM on November 29th. While snowfall reports around 4 inches were more comm…
November 27, 2025 · Central and Southern Valley, Montana
Dense Fog Dense Fog
The Glasgow airport ASOS site (KGGW) recorded dense fog with visibility of 1/4 mile or worse for about 3 hours on the 27th.
November 26, 2025 · Central and Southern Valley, Montana
Dense Fog Dense Fog
The Glasgow airport ASOS site (KGGW) recorded dense fog with visibility of 1/4 mile or worse for about 4 hours on the 26th.
November 16, 2025 · Central and Southern Valley, Montana
Dense Fog Dense Fog
The Glasgow airport ASOS site (KGGW) recorded dense fog with 1/4 mile visibility or worse for a period of about 12 hours.
November 2, 2025 · Central and Southern Valley, Montana
High Wind High Wind
The Glasgow airport ASOS site (KGGW) recorded a 58 mph wind gust.
October 20, 2025 · Central and Southern Valley, Montana
High Wind High Wind
The St. Marie MT-24 DOT site (MTSTM) measured a 59 mph wind gust.
August 1, 2025 · Central and Southern Valley, Montana
Drought Drought
The D2 drought conditions that were over most of this area diminished and ended during this period.
July 1, 2025 · Central and Southern Valley, Montana
Drought Drought
D2 drought across a majority of the zone to begin the month, improved slightly to D1 drought for the extreme northeast section.
June 1, 2025 · Central and Southern Valley, Montana
Drought Drought
D2 drought conditions expanded to include all but the far southwestern corner of Central and Southern Valley County by the end of the month.
May 1, 2025 · Central and Southern Valley, Montana
Drought Drought
The drought worsened to D2 over northern third of central and southeast Valley county.
February 19, 2025 · Central and Southern Valley, Montana
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet observations reported wind chills as cold as -40F (both at 6WSW Lustre and 2WSW Larslan).
February 17, 2025 · Central and Southern Valley, Montana
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Observations reported wind chills as cold as -57F (Glasgow Airport, 6WSW Lustre and 1NE St. Marie).
February 16, 2025 · Central and Southern Valley, Montana
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
ASOS and mesonet observations reported wind chills as cold as -58F (Glasgow Airport and 2WSW Larslan).
February 11, 2025 · Central and Southern Valley, Montana
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet observations reported wind chills as cold as -49F (6WSW Lustre and 1NE Saint Marie).
February 6, 2025 · Central and Southern Valley, Montana
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chills as low as -42 were observed at various stations across central Valley county. The coldest was at Mesonet station 2WSW Larslan (DVI08083 Larslan).
February 3, 2025 · Central and Southern Valley, Montana
Heavy Snow Heavy Snow
Snowfall totals of 4 to 10 inches fell across northern Valley County. The least amount fell at Fort Peck with the highest amount at a Cocorahs station 0.3N of Glasgow. 7.4 inches fell at a Cooperative observer 14 NW of Glasgow.
February 3, 2025 · Central and Southern Valley, Montana
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
A wind chill of -40F was reported at 1NE of Saint Marie.
January 24, 2025 · Central and Southern Valley, Montana
Winter Weather Winter Weather
A wind gust to 51 mph occurred 11N Vandalia at 815 PM. NWS Employee said visibility was about 10 feet in blowing snow about 13ESE St. Marie at about 9 PM.
January 8, 2025 · Central and Southern Valley, Montana
Winter Weather Winter Weather
Rain that froze on cold ground helped cause accidents. A late afternoon accident blocked both lanes near Hinsdale and involved emergency vehicles. Another accident was reported at 11 miles east of Glasgow. No injuries were reported.
December 27, 2024 · Central and Southern Valley, Montana
Winter Weather Winter Weather
Employee at Glasgow business fell while walking on iced sidewalk.
December 18, 2024 · Central and Southern Valley, Montana
High Wind High Wind
Mesonet at Fort Peck dam reported wind gusts to 62 mph, the Glasgow ASOS reported a wind gust to 58 mph at 952 pm.
December 8, 2024 · Central and Southern Valley, Montana
High Wind High Wind
Highest gust occurred at the King Coulee RAWS at 344 pm.
November 1, 2024 · Central and Southern Valley, Montana
Drought Drought
D2 drought conditions over the eastern portions of the county, improved to D1 drought by the end of the month.
October 15, 2024 · Central and Southern Valley, Montana
Drought Drought
On the third week of October, D2-Severe drought spread into the eastern two thirds of central and southern Valley County. These conditions would remain the same through the end of the month.
October 4, 2024 · Central and Southern Valley, Montana
High Wind High Wind
A peak wind gust of 92 mph was recorded at the Glasgow Airport ASOS (KGGW). This is the all time highest recorded wind gust ever at this location. Other notable gusts were 79 mph recorded at the 7 SW Glasgow mesonet site at 9:40 PM and 73 mph at the Saint Marie site (07MT) at 9:3…
October 4, 2024 · Central and Southern Valley, Montana
High Wind High Wind
The public reported, via Facebook, the West End Shelter #3 building near Fort Peck Marina had completely collapsed. Part of the building had been blown 40 yards. Pictures in social media point. Time is estimated.
October 4, 2024 · Central and Southern Valley, Montana
High Wind High Wind
The public reported, via Facebook, multiple branches down in their yard, the front step moved away from the house, and a portion of their garage wall moved out. Picture is on social media. Time is estimated.
October 4, 2024 · Central and Southern Valley, Montana
High Wind High Wind
The public reported, via Facebook, a large tree down on a house in the town of Glasgow. Picture is on social media. Times are estimated.
October 4, 2024 · Central and Southern Valley, Montana
High Wind High Wind
A NWS Employee reported seeing a fence knocked down in the town of Glasgow. Times are estimated.
June 5, 2024 · Central and Southern Valley, Montana
High Wind High Wind
A peak wind gust of 61 mph was measured at 11:20 AM at the Glasgow Airport ASOS (KGGW) and at 12:00 PM at the Saint Marie Marco mesonet site (07MT).
May 7, 2024 · Central and Southern Valley, Montana
High Wind High Wind
A peak wind gust of 60 mph was recorded at 8:44 AM and 9:44 AM on May 7th at the King Coulee RAWS site (KIGM8).
April 22, 2024 · Central and Southern Valley, Montana
High Wind High Wind
A peak wind gust of 58 mph was recorded at 1:53 PM at the Glasgow Airport ASOS site (KGGW).
April 10, 2024 · Central and Southern Valley, Montana
High Wind High Wind
The Glasgow Airport ASOS (KGGW) measured a convective shower wind gust of 63 mph.
Events by year, as a table
YearEventsTornadoes
2026130
2025220
2024210
2023250
2022250
2021200
2020160
2019150
2018100
2017170
201680
201570
201470
201380
2012110
2011220
2010240
200990
2008200
2007130
2006130
2005140
2004140
200380
200270
200140
199780
199650