States › Montana › Chouteau County › Hail
Hail in Chouteau County, Montana
152 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
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.
NCEI records 152 hail events in Chouteau County, Montana, between 1950 and 2026, spread over 40 years.
July is the busiest month, with 54 of the recorded events. The last 20 years account for 71 events against 70 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.8% of the 8,391 hail events recorded in Montana; its 3.8 per 100 square miles compares with 5.8 statewide.
44 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 2.75 inches (baseball size).
Compared with Montana
| Measure | Chouteau County | Montana | US |
|---|---|---|---|
| Hail events since 1950 | 152 | 8,391 | 424,356 |
| Per 100 square miles | 3.8 | 5.8 | 12.0 |
| Per 10,000 residents | 256.9 | 76.0 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | July | July | May |
By year
Seasonality
0Feb
0Mar
0Apr
1May
15Jun
53Jul
54Aug
21Sep
8Oct
0Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 152 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 |
|---|---|---|---|---|---|---|---|
| 15 Jun 2025 | Hail | 1.00 in | — | — | — | — | County |
| 15 Jun 2025 | Hail | 2.50 in | — | — | — | — | County |
| 15 Jun 2025 | Hail | 1.75 in | — | — | — | — | County |
| 15 Jun 2025 | Hail | 1.75 in | — | — | — | — | County |
| 21 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 18 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jun 2024 | Hail | 2.50 in | — | — | — | — | County |
| 6 Jul 2022 | Hail | 0.88 in | — | — | — | — | County |
| 9 Jun 2021 | Hail | 1.00 in | — | — | — | — | County |
| 9 Jun 2021 | Hail | 2.00 in | — | — | — | — | County |
| 7 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 14 Jul 2019 | Hail | 1.00 in | — | — | — | — | County |
| 9 Aug 2016 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 2016 | Hail | 2.00 in | — | — | — | — | County |
| 10 Jun 2016 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jun 2016 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jun 2016 | Hail | 2.00 in | — | — | — | — | County |
| 4 Jun 2015 | Hail | 0.88 in | — | — | — | — | County |
| 3 Jul 2014 | Hail | 1.00 in | — | — | — | — | County |
| 3 Jul 2014 | Hail | 1.50 in | — | — | — | — | County |
| 28 May 2014 | Hail | 2.00 in | — | — | — | — | County |
| 28 May 2014 | Hail | 0.88 in | — | — | — | — | County |
| 28 May 2014 | Hail | 1.00 in | — | — | — | — | County |
| 28 May 2014 | Hail | 1.00 in | — | — | — | — | County |
| 28 May 2014 | Hail | 1.00 in | — | — | — | — | County |
| 28 May 2014 | Hail | 1.00 in | — | — | — | — | County |
| 28 May 2014 | Hail | 1.75 in | — | — | — | — | County |
| 28 May 2014 | Hail | 0.75 in | — | — | — | — | County |
| 28 May 2014 | Hail | 1.75 in | — | — | — | — | County |
| 5 Aug 2013 | Hail | 1.00 in | — | — | — | — | County |
| 5 Aug 2013 | Hail | 1.00 in | — | — | — | — | County |
| 8 Jul 2013 | Hail | 1.75 in | — | — | — | — | County |
| 8 Jul 2013 | Hail | 1.75 in | — | — | — | — | County |
| 8 Jul 2013 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jul 2013 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jun 2012 | Hail | 1.25 in | — | — | — | — | County |
| 5 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 4 Jun 2012 | Hail | 1.75 in | — | — | — | — | County |
| 4 Jun 2012 | Hail | 2.50 in | — | — | — | — | County |
| 4 Jun 2012 | Hail | 2.00 in | — | — | — | — | County |
| 4 Jun 2012 | Hail | 2.75 in | — | — | — | — | County |
| 19 Jul 2011 | Hail | 1.25 in | — | — | — | — | County |
| 16 Jul 2011 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jul 2011 | Hail | 1.00 in | — | — | — | — | County |
| 2 Aug 2010 | Hail | 1.00 in | — | — | — | — | County |
| 19 Jul 2010 | Hail | 1.75 in | — | — | — | — | County |
| 19 Jul 2010 | Hail | 1.00 in | — | — | — | — | County |
| 4 Jul 2009 | Hail | 1.25 in | — | — | — | — | County |
| 4 Jul 2009 | Hail | 1.25 in | — | — | — | — | County |
| 2 Jul 2009 | Hail | 1.75 in | — | — | — | — | County |
| 2 Jul 2009 | Hail | 1.75 in | — | — | — | — | County |
| 27 Jul 2008 | Hail | 0.88 in | — | — | — | — | County |
| 4 Jul 2008 | Hail | 0.88 in | — | — | — | — | County |
| 29 May 2008 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jul 2007 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jul 2007 | Hail | 1.25 in | — | — | — | — | County |
| 20 Jul 2007 | Hail | 0.88 in | — | — | — | — | County |
| 20 Jul 2007 | Hail | 0.88 in | — | — | — | — | County |
| 7 Jul 2007 | Hail | 0.75 in | — | — | — | — | County |
| 7 Jul 2007 | Hail | 1.00 in | — | — | — | — | County |
| 2 Jul 2007 | Hail | 1.75 in | — | — | — | — | County |
| 2 Jul 2007 | Hail | 1.75 in | — | — | — | — | County |
| 29 Jun 2007 | Hail | 0.75 in | — | — | — | — | County |
| 25 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jun 2007 | Hail | 0.75 in | — | — | — | — | County |
| 24 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 19 May 2007 | Hail | 0.75 in | — | — | — | — | County |
| 20 May 2006 | Hail | 0.75 in | — | — | — | — | County |
| 10 Aug 2005 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2005 | Hail | 0.75 in | — | — | — | — | County |
| 6 Aug 2004 | Hail | 0.88 in | — | — | — | — | County |
| 4 Aug 2004 | Hail | 0.75 in | — | — | — | — | County |
| 4 Aug 2004 | Hail | 0.75 in | — | — | — | — | County |
| 12 Aug 2003 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jul 2003 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jun 2003 | Hail | 0.75 in | — | — | — | — | County |
| 10 Jun 2003 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 2003 | Hail | 0.88 in | — | — | — | — | County |
| 10 Jun 2003 | Hail | 0.75 in | — | — | — | — | County |
| 10 Jun 2003 | Hail | 0.75 in | — | — | — | — | County |
| 25 May 2003 | Hail | 0.88 in | — | — | — | — | County |
| 25 May 2003 | Hail | 0.75 in | — | — | — | — | County |
| 12 Apr 2003 | Hail | 1.00 in | — | — | — | — | County |
| 5 Aug 2002 | Hail | 0.88 in | — | — | — | — | County |
| 5 Aug 2002 | Hail | 0.75 in | — | — | — | — | County |
| 17 Jul 2002 | Hail | 0.75 in | — | — | — | — | County |
| 14 Jul 2002 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jul 2001 | Hail | 1.50 in | — | — | — | — | County |
| 5 Sep 2000 | Hail | 1.75 in | — | — | — | — | County |
| 5 Sep 2000 | Hail | 1.25 in | — | — | — | — | County |
| 5 Sep 2000 | Hail | 1.00 in | — | — | — | — | County |
| 5 Sep 2000 | Hail | 1.00 in | — | — | — | — | County |
| 5 Sep 2000 | Hail | 1.00 in | — | — | — | — | County |
| 4 Sep 2000 | Hail | 0.75 in | — | — | — | — | County |
| 4 Sep 2000 | Hail | 0.75 in | — | — | — | — | County |
| 4 Sep 2000 | Hail | 0.75 in | — | — | — | — | County |
| 11 Aug 2000 | Hail | 0.88 in | — | — | — | — | County |
| 11 Aug 2000 | Hail | 1.75 in | — | — | — | — | County |
| 8 Jul 2000 | Hail | 1.00 in | — | — | — | — | County |
| 8 Jul 2000 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jul 2000 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2000 | Hail | 1.75 in | — | — | — | — | County |
| 5 Jul 2000 | Hail | 2.75 in | — | — | — | — | County |
| 5 Jul 2000 | Hail | 1.50 in | — | — | — | — | County |
| 3 Jul 2000 | Hail | 0.88 in | — | — | — | — | County |
| 2 Jul 2000 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 1999 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jul 1999 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jul 1999 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jul 1999 | Hail | 0.75 in | — | — | — | — | County |
| 5 Jul 1998 | Hail | 1.75 in | — | — | — | — | County |
| 15 Jun 1997 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jun 1997 | Hail | 1.75 in | — | — | — | — | County |
| 6 Jun 1997 | Hail | 2.50 in | — | — | — | — | County |
| 6 Jun 1997 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jun 1997 | Hail | 1.75 in | — | — | — | — | County |
| 6 Jun 1997 | Hail | 1.75 in | — | — | — | — | County |
| 6 Jun 1997 | Hail | 2.75 in | — | — | — | — | County |
| 25 Jun 1996 | Hail | 1.75 in | — | — | — | — | County |
| 25 Jun 1996 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jun 1995 | Hail | 1.75 in | — | — | — | — | County |
| 5 Jun 1995 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jul 1994 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jul 1992 | Hail | 2.75 in | — | — | — | — | County |
| 18 Jul 1992 | Hail | 1.00 in | — | — | — | — | County |
| 13 Aug 1991 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 1991 | Hail | 1.75 in | — | — | — | — | County |
| 20 May 1991 | Hail | 1.75 in | — | — | — | — | County |
| 26 Aug 1990 | Hail | 1.25 in | — | — | — | — | County |
| 6 Jul 1990 | Hail | 1.25 in | — | — | — | — | County |
| 2 Jul 1990 | Hail | 1.25 in | — | — | — | — | County |
| 2 Jul 1990 | Hail | 1.25 in | — | — | — | — | County |
| 2 Jul 1990 | Hail | 1.25 in | — | — | — | — | County |
| 5 Jul 1988 | Hail | 1.25 in | — | — | — | — | County |
| 5 Jul 1988 | Hail | 2.75 in | — | — | — | — | County |
| 7 Jun 1988 | Hail | 1.25 in | — | — | — | — | County |
| 7 Jun 1988 | Hail | 0.75 in | — | — | — | — | County |
| 27 Aug 1985 | Hail | 1.00 in | — | — | — | — | County |
| 27 Aug 1985 | Hail | 1.50 in | — | — | — | — | County |
| 3 Jun 1976 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jun 1974 | Hail | 1.75 in | — | — | — | — | County |
| 20 Jun 1974 | Hail | 1.75 in | — | — | — | — | County |
| 4 Aug 1973 | Hail | 0.75 in | — | — | — | — | County |
| 3 Jun 1971 | Hail | 1.00 in | — | — | — | — | County |
| 3 Jun 1966 | Hail | 1.00 in | — | — | — | — | County |
| 3 Jun 1966 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jun 1958 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jun 1958 | Hail | 0.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Chouteau County had?
152 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Chouteau County?
15 Jun 2025 (Hail, 1.75 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail 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 hail?
3.8 events per 100 square miles against 5.8 statewide; the county holds 152 of the state's 8,391 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 Hail hub and the county page.