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Winter in Chouteau County, Montana
90 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Chouteau County, Montana, has 90 winter events in the NCEI record since 1950, with at least one in 25 different years.
January is the busiest month, with 17 of the recorded events. The last 20 years account for 55 events against 35 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 8,475 winter events recorded in Montana; its 2.3 per 100 square miles compares with 5.8 statewide.
Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.
Compared with Montana
| Measure | Chouteau County | Montana | US |
|---|---|---|---|
| Winter events since 1950 | 90 | 8,475 | 287,339 |
| Per 100 square miles | 2.3 | 5.8 | 8.1 |
| Per 10,000 residents | 152.1 | 76.7 | 8.7 |
| Deaths recorded | 0 | 86 | 2,509 |
| Busiest month | January | December | January |
By year
Seasonality
17Feb
9Mar
14Apr
11May
4Jun
0Jul
0Aug
0Sep
0Oct
8Nov
10Dec
17
Recorded events
All 90 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 11 Apr 2022 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 5 Feb 2021 | Winter Weather | — | — | — | — | — | Forecast zone |
| 5 Feb 2021 | Winter Weather | — | — | — | — | — | Forecast zone |
| 8 Nov 2020 | Blizzard | — | — | — | — | — | Forecast zone |
| 23 Oct 2020 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 13 Mar 2020 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 10 Nov 2019 | Winter Weather | — | — | — | — | — | Forecast zone |
| 28 Apr 2019 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 28 Apr 2019 | Blizzard | — | — | — | — | — | Forecast zone |
| 14 Feb 2018 | Winter Storm | — | — | — | — | — | Forecast zone |
| 8 Feb 2018 | Winter Storm | — | — | — | — | — | Forecast zone |
| 30 Dec 2017 | Winter Storm | — | — | — | — | — | Forecast zone |
| 19 Dec 2017 | Winter Storm | — | — | — | — | — | Forecast zone |
| 3 Oct 2017 | Winter Storm | — | — | — | — | — | Forecast zone |
| 3 Oct 2017 | Winter Storm | — | — | — | — | — | Forecast zone |
| 15 Dec 2016 | Winter Storm | — | — | — | — | — | Forecast zone |
| 13 Dec 2015 | Winter Storm | — | — | — | — | — | Forecast zone |
| 26 Oct 2014 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 20 Mar 2014 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 29 Jan 2014 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Mar 2013 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 30 Jan 2013 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 29 Jan 2013 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 10 Jan 2013 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 8 Nov 2012 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 27 Apr 2012 | Winter Storm | — | — | — | — | — | Forecast zone |
| 19 Mar 2012 | Winter Storm | — | — | — | — | — | Forecast zone |
| 10 Jan 2012 | Winter Storm | — | — | — | — | — | Forecast zone |
| 13 Nov 2011 | Winter Storm | — | — | — | — | — | Forecast zone |
| 7 Apr 2011 | Winter Storm | — | — | — | — | — | Forecast zone |
| 6 Feb 2011 | Winter Storm | — | — | — | — | — | Forecast zone |
| 2 Jan 2011 | Winter Storm | — | — | — | — | — | Forecast zone |
| 29 Dec 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 10 Dec 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 15 Nov 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 4 May 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 29 Apr 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 13 Apr 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 22 Jan 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 4 Jan 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 21 Dec 2009 | Ice Storm | — | — | — | — | — | Forecast zone |
| 4 Dec 2009 | Winter Storm | — | — | — | — | — | Forecast zone |
| 27 Oct 2009 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 27 Oct 2009 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 27 Apr 2009 | Winter Storm | — | — | — | — | — | Forecast zone |
| 28 Mar 2009 | Winter Storm | — | — | — | — | — | Forecast zone |
| 13 Dec 2008 | Winter Storm | — | — | — | — | — | Forecast zone |
| 13 Dec 2008 | Winter Storm | — | — | — | — | — | Forecast zone |
| 19 Apr 2008 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 5 Apr 2008 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 29 Mar 2008 | Winter Storm | — | — | — | — | — | Forecast zone |
| 28 Jan 2008 | Winter Storm | — | — | — | — | — | Forecast zone |
| 19 Jan 2008 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 2 Apr 2007 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 2 Feb 2007 | Winter Storm | — | — | — | — | — | Forecast zone |
| 28 Dec 2006 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 25 Nov 2006 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 5 Dec 2005 | Winter Storm | — | — | — | — | — | Forecast zone |
| 27 Nov 2005 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 23 Mar 2005 | Winter Storm | — | — | — | — | — | Forecast zone |
| 17 Mar 2005 | Winter Storm | — | — | — | — | — | Forecast zone |
| 12 Jan 2005 | Blizzard | — | — | — | — | — | Forecast zone |
| 1 Jan 2004 | Winter Storm | — | — | — | — | — | Forecast zone |
| 26 Dec 2003 | Winter Storm | — | — | — | — | — | Forecast zone |
| 29 Oct 2003 | Winter Storm | — | — | — | — | — | Forecast zone |
| 18 May 2003 | Winter Storm | — | — | — | — | — | Forecast zone |
| 3 Mar 2003 | Winter Storm | — | — | — | — | — | Forecast zone |
| 28 Oct 2002 | Winter Storm | — | — | — | — | — | Forecast zone |
| 22 May 2002 | Winter Storm | — | — | — | — | — | Forecast zone |
| 7 May 2002 | Winter Storm | — | — | — | — | — | Forecast zone |
| 23 Feb 2002 | Winter Storm | — | — | — | — | — | Forecast zone |
| 26 Jan 2002 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 25 Jan 2002 | Winter Storm | — | — | — | — | — | Forecast zone |
| 25 Nov 2001 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 30 Mar 2001 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 14 Mar 2001 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 25 Feb 2001 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 15 Dec 2000 | Blizzard | — | — | — | — | — | Forecast zone |
| 4 Nov 2000 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 31 Mar 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 26 Mar 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 12 Mar 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 27 Feb 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 21 Jan 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 15 Jan 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 8 Jan 1997 | Winter Storm | — | — | — | — | — | Forecast zone |
| 29 Dec 1996 | Winter Storm | — | — | — | — | — | Forecast zone |
| 27 Dec 1996 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 18 Dec 1996 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 18 Nov 1996 | Winter Storm | — | — | — | — | — | Forecast zone |
Questions and answers
How many winter events has Chouteau County had?
90 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.
When was the last recorded winter event in Chouteau County?
11 Apr 2022 (Heavy Snow). Records reach NCEI about 120 days after the month ends.
What was the most damaging winter event recorded in Chouteau County?
NCEI records no damage estimate for events of this type in the county.
How does Chouteau County compare with Montana for winter?
2.3 events per 100 square miles against 5.8 statewide; the county holds 90 of the state's 8,475 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Winter hub and the county page.