TornadoLookup

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Northern Sweet Grass County, Montana

Tornadoes, hail, floods and severe storms recorded here between 2005 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
1
Floods since 1996
258
All events
1
Deaths
$0
Property damage

Year by year

20052026
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 5, 2019 · Northern Sweet Grass, Montana
Winter Weather Winter Weather1 death
Freezing drizzle and black ice were reported across the area. A fatal car crash occurred in Sweet Grass County at about 10:01 am on I-90 west of Big Timber near mile marker 364. The rollover crash occurred after the driver lost control on the icy roadway and entered the center me…
May 13, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
Big Timber K6S0 gusted to 71 mph.
April 7, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
Big Timber airport gusted to 60 mph.
March 16, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
Big Timber SE gusted to 63 mph.
March 13, 2026 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Melville Mesonet received 7.9 inches of snow.
March 12, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
Big Timber airport gusted to 70 mph.
March 7, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
Wind gusted to 89mph at K6S0.
February 25, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
K6S0 gusted to 77 mph.
February 17, 2026 · Northern Sweet Grass, Montana
High Wind High Wind
Big Timber Airport gusted to 61 mph.
April 16, 2025 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Got 6 at Big Timber and Springdale Mesonets.
March 24, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 64 mph across the area.
March 10, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 60 mph across the area.
February 25, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 66 mph across the Big Timber area.
February 22, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 61 mph across the area.
February 16, 2025 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall around 7 inches was reported across the area.
February 6, 2025 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall of 9 to 10 inches occurred across the area. Interstate 90 was closed through Big Timber.
February 2, 2025 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall of 6+ inches occurred across the area.
January 31, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 59 mph across the area.
January 20, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted as high as 71 mph across the area.
January 10, 2025 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 61 mph across the area.
December 18, 2024 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 76 mph across the area.
December 11, 2024 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 58 mph across the area.
May 6, 2024 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 59 mph across the area.
February 24, 2024 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted 60+ mph across the area.
February 14, 2024 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall amounts of 9+ inches occurred across the area.
January 9, 2024 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 58 mph at the Big Timber Airport.
January 8, 2024 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted 58 to 62 mph at the Big Timber Airport.
December 9, 2023 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 58 mph at the Big Timber Airport.
December 3, 2023 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 74 mph at the Big Timber Airport.
October 25, 2023 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Freezing rain, followed by 6 to 10 inches of snow, resulted in very hazardous traveling conditions.
March 24, 2023 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall of 6 to 16 inches, along with severe driving conditions, were reported across the area.
March 5, 2023 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall amounts of 6 to 8 inches were reported.
February 21, 2023 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 64 mph across the area.
February 20, 2023 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall of 6 to 10 inches was reported across the area.
February 19, 2023 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 67 mph across the area.
February 4, 2023 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 59 mph across the area.
January 27, 2023 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall around 10 inches occurred across the area. In addition, severe driving conditions and low visibilities were reported.
January 26, 2023 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 67 mph across the area.
December 25, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 63 mph across the area.
December 5, 2022 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Winds gusted to 69 mph, this combined with the falling snow and snow already on the ground, resulted in visibilities down to a quarter mile at times.
November 27, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 66 mph for a short time.
November 24, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 58 mph across the area.
November 19, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 60 mph across the area.
November 5, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 66 mph across the area.
October 24, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted up to 63 mph across the area.
June 14, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 62 mph across the area.
April 11, 2022 · Northern Sweet Grass, Montana
Winter Storm Winter Storm
Snowfall of 15-19 inches was reported across the area.
April 5, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 66 mph across the area.
March 12, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted to 63 mph across the Big Timber area.
March 10, 2022 · Northern Sweet Grass, Montana
High Wind High Wind
Winds gusted briefly to 59 mph across the Big Timber area.
Events by year, as a table
YearEventsTornadoes
202680
2025110
202470
2023110
2022310
2021280
2020270
2019170
2018180
2017200
2016100
201560
201470
201350
201230
2011140
201030
2009100
2008130
200740
200630
200520