Sheridan County, Montana
Tornadoes, hail, floods and severe storms recorded here between 1957 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
10
Tornado reports
197
Hail reports
16
Floods since 1996
693
All events
3
Deaths
$9.1M
Property damage
Tornado paths in Sheridan County
The part of each tornado’s path NOAA recorded in this county, 10 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by 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.
This was the deadliest tornado in Montana since 1923, and only the fourth EF-3 on record. The supercell thunderstorm developed strong rotation, and rotating wall clouds and brief funnel clouds were reported in Daniels County. As the storm moved southeast, it intensified and a lar…
Flood Flood
Sheridan County dispatch reported that a portion of Scandia Road was washed out, and subsequently closed from Hammer Trail to Goose Lake. Law enforcement believed other washed out roads were likely in the county.
Thunderstorm Wind Thunderstorm Wind
The Comertown Turn-Off MT-5 DOT site measured this additional 63 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Comertown Turn-Off MT-5 DOT site measured a 63 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Sher-Wood Airport ASOS site (KPWD) measured a 58 mph wind gust.
Drought Drought
To begin the month, all but the eastern edge of Sheridan County was in at least D2 drought conditions, with D3 drought conditions arriving in the south-central portion of the county. On the last day of the month, drought impacts lessened to include only D2 drought conditions in t…
High Wind High Wind
The Sher-Wood Airport ASOS site (KPWD) measured a 74 mph wind gust.
Dust Storm Dust Storm
The Sher-Wood Airport AWOS site (KPWD) reported visibility of one-quarter of a mile or less in blowing dust for multiple hours, from recently plowed fields and large scale dangerously strong winds.
Drought Drought
In the second week of May, a small protrusion of D2 drought conditions developed in the southern edge of Sheridan County. By the third week and through the remainder of the month, D2 drought conditions expanded through central and northwestern portions of Sheridan County.
Thunderstorm Wind Thunderstorm Wind
The Medicine Lake RAWS site (MLKM8) recorded a 64 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Sher-Wood Airport AWOS site (KPWD) recorded a 71 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Comertown Turn-Off MT-5 DOT site (MTRED) recorded a 58 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Medicine Lake RAWS site (MLKM8) recorded a 66 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Medicine Lake W Montana Climate Office mesonet site (MEDM8) recorded a 64 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Medicine Lake W Montana Climate Office mesonet site (MEDM8) recorded a 71 mph wind gust.
High Wind High Wind
The Medicine Lake W Montana Climate Office mesonet site (MEDM8), measured a wind gust of 58 mph.
High Wind High Wind
The Medicine Lake W Montana Climate Office mesonet site (MEDM8) measured a 60 mph wind gust.
Dense Fog Dense Fog
The Sher-Wood airport AWOS (KPWD) reported visibility of 1/2 mile or less for nearly 3 hours.
Dense Fog Dense Fog
The Sher-Wood airport AWOS (KPWD) reported visibility of 1/2 mile or less for 8 hours.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The Sher-Wood Airport AWOS site (KPWD) measured a wind chill of -44 degrees.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill values of -50 or worse were common in Sheridan County. The lowest wind chill value of -55 was recorded at the NDAWN station Dooley 3S.
High Wind High Wind
The Montana Climate Office mesonet site Medicine Lake W (MEDM8) measured a 72 mph wind gust.
Freezing Fog Freezing Fog
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 consistently reported at available stations (i.e. Sher-Wood/Plentyw…
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The NDAWN mesonet site at 3S Dooley measured wind chills near or below -40 for about 7 hours during the early morning, with a maximum cold with chill of -43.
Dense Fog Dense Fog
The Sher-Wood airport AWOS site (KPWD) recorded dense fog with visibility at or below 1/4 mile for about 4 hours.
Dense Fog Dense Fog
Dense fog moved in from Saskatchewan and North Dakota overnight into the morning of the 15th. Times are estimated.
Hail Hail
Public reported ping pong ball size hail, estimated from photo via Facebook.
Hail Hail
Public reported quarter size hail, estimated from photo via Facebook.
Thunderstorm Wind Thunderstorm Wind
A public reported estimated winds gusts of 50 to 60 mph.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
AWOS and mesonet observations reported wind chills as cold as -46F (3S Dooley and Plentywood Airport).
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Observations reported wind chills as cold as -54F (4ENE Raymond and 2SE Homestead).
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
AWOS and mesonet observations reported wind chills as cold as -56F (Plentywood Airport and 6ESE Reserve).
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
AWOS and mesonet observations reported wind chills as cold as -46F (Plentywood Airport and 2NW Archer).
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet observations and DOT sensors reported wind chills as cold as -50F (6ESE Reserve, 2SW Coalridge and 6S Comertown).
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chills ranged from -40F (2E Homestead) to -43F (6ESE Reserve).
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chills as low as -43 were observed at various stations across Sheridan county.
Heavy Snow Heavy Snow
Snow fell across Sheridan County with totals from 5 to 8 inches. The most fell in Plentywood with lesser amounts elsewhere.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Various stations across the county reported wind chills at or below -40F. The coldest was at 6S Comertown (MTCOM) with -43F.
Winter Weather Winter Weather
County Dispatcher reported blowing snow started about 6 pm. At 6S Comertown, the public reported near whiteout conditions with a pickup stranded. Visibility at the Sher-Wood Airport was 1 mile or less for 40 minutes ending at 1015 pm.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chills as low as -55 occurred (at Comertown DOT station).
Drought Drought
D2 drought conditions continued in the extreme southeastern corner of the county to begin the month, before improving to D1 by the end of the month.
Dense Fog Dense Fog
Visibility at the Sher-wood Airport (KPWD) ASOS in Plentywood, MT, reported reduced visibility due to occasional dense fog for a period of more than 12 hours during the morning hours.
Freezing rain fell across the county with an accumulation of a 0.10 to 0.34, causing a person to fall in Plentywood. Also, severe driving conditions were noted on the Montana DOT 511 website, mainly near and south of Medicine Lake, through the morning.
Blizzard Blizzard
KPWD Plentywood ASOS, showed an extended period of 1/4 mile visibility Sunday evening with winds gusting to near 40 mph.
Drought Drought
D2 drought conditions continued in the southeastern corner of the county.
Blizzard Blizzard
Blizzard conditions occurred across most of Sheridan County, with wind gusts at or above 35 mph generating blowing snow which reduced visibilities to 1/4 SM or less at times from around 10am through 8pm on the 19th. Slight improvements in visibility were noted during the early mo…
Blizzard Blizzard
Blizzard conditions occurred across most of Sheridan County with the Montana 511 website showing severe driving conditions on Highway 5 from Plentywood eastward to the North Dakota state line. These conditions were noted at times from the afternoon of the 19th into the morning ho…
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 22 | 0 |
| 2025 | 18 | 0 |
| 2024 | 27 | 0 |
| 2023 | 22 | 0 |
| 2022 | 38 | 0 |
| 2021 | 34 | 0 |
| 2020 | 26 | 0 |
| 2019 | 25 | 0 |
| 2018 | 24 | 1 |
| 2017 | 27 | 1 |
| 2016 | 16 | 1 |
| 2015 | 12 | 0 |
| 2014 | 23 | 0 |
| 2013 | 20 | 0 |
| 2012 | 16 | 0 |
| 2011 | 36 | 0 |
| 2010 | 23 | 1 |
| 2009 | 11 | 0 |
| 2008 | 31 | 0 |
| 2007 | 46 | 0 |
| 2006 | 14 | 0 |
| 2005 | 34 | 0 |
| 2004 | 19 | 3 |
| 2003 | 9 | 0 |
| 2002 | 7 | 0 |
| 2001 | 13 | 0 |
| 2000 | 18 | 0 |
| 1999 | 14 | 0 |
| 1998 | 13 | 0 |
| 1997 | 14 | 0 |
| 1996 | 10 | 0 |
| 1995 | 6 | 0 |
| 1994 | 1 | 0 |
| 1991 | 1 | 1 |
| 1990 | 3 | 0 |
| 1988 | 2 | 1 |
| 1982 | 2 | 0 |
| 1978 | 1 | 0 |
| 1976 | 2 | 0 |
| 1971 | 2 | 1 |
| 1969 | 1 | 0 |
| 1968 | 1 | 0 |
| 1965 | 2 | 0 |
| 1959 | 4 | 0 |
| 1957 | 3 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Sheridan County, measured to its path.
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