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Hail in Flathead County, Montana
103 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.
Flathead County, Montana, has 103 hail events in the NCEI record since 1950, with at least one in 36 different years.
July is the busiest month, with 38 of the recorded events. The last 20 years account for 46 events against 44 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.2% of the 8,391 hail events recorded in Montana; its 2.0 per 100 square miles compares with 5.8 statewide.
13 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 | Flathead County | Montana | US |
|---|---|---|---|
| Hail events since 1950 | 103 | 8,391 | 424,356 |
| Per 100 square miles | 2.0 | 5.8 | 12.0 |
| Per 10,000 residents | 9.5 | 76.0 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | July | July | May |
By year
Seasonality
0Feb
0Mar
0Apr
0May
8Jun
28Jul
38Aug
26Sep
3Oct
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 103 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 |
|---|---|---|---|---|---|---|---|
| 28 May 2026 | Hail | 0.88 in | — | — | — | — | County |
| 28 May 2026 | Hail | 1.25 in | — | — | — | — | County |
| 28 May 2026 | Hail | 1.25 in | $1K | — | — | — | County |
| 11 May 2025 | Hail | 1.00 in | — | — | — | — | County |
| 19 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jul 2022 | Hail | 2.50 in | $1.5M | — | — | — | County |
| 24 Jun 2020 | Hail | 1.75 in | $10K | — | — | — | County |
| 24 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 8 Jun 2017 | Hail | 1.50 in | $30K | — | — | — | County |
| 19 Jul 2016 | Hail | 1.00 in | — | — | — | — | County |
| 18 Jul 2016 | Hail | 1.50 in | $16K | — | — | — | County |
| 8 Jun 2016 | Hail | 1.25 in | $10K | — | — | — | County |
| 8 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 8 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 8 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 6 Sep 2013 | Hail | 1.25 in | $12K | — | — | — | County |
| 29 Aug 2013 | Hail | 0.75 in | — | — | — | — | County |
| 29 Aug 2013 | Hail | 0.75 in | — | — | — | — | County |
| 29 Aug 2013 | Hail | 0.88 in | — | — | — | — | County |
| 17 Jul 2013 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jul 2013 | Hail | 1.00 in | $100K | — | — | — | County |
| 17 Jul 2013 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jul 2013 | Hail | 0.50 in | $500 | $5K | — | — | County |
| 17 Jul 2013 | Hail | 1.75 in | $5K | — | — | — | County |
| 17 Jul 2013 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jul 2012 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2012 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2012 | Hail | 0.75 in | — | — | — | — | County |
| 25 Jul 2011 | Hail | 0.88 in | — | — | — | — | County |
| 25 Jul 2011 | Hail | 1.00 in | — | — | — | — | County |
| 19 Jul 2011 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jul 2011 | Hail | 1.50 in | — | — | — | — | County |
| 13 Jul 2011 | Hail | 0.88 in | $1K | $4K | — | — | County |
| 23 Jun 2011 | Hail | 1.25 in | $5K | — | — | — | County |
| 6 Aug 2010 | Hail | 1.25 in | — | — | — | — | County |
| 2 Aug 2010 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jul 2009 | Hail | 1.75 in | $5K | — | — | — | County |
| 4 Jul 2008 | Hail | 0.75 in | — | — | — | — | County |
| 4 Jul 2008 | Hail | 1.00 in | $2K | — | — | — | County |
| 18 Jul 2007 | Hail | 0.88 in | — | — | — | — | County |
| 12 May 2007 | Hail | 1.00 in | — | — | — | — | County |
| 12 May 2007 | Hail | 0.75 in | — | — | — | — | County |
| 31 Aug 2006 | Hail | 0.75 in | — | — | — | — | County |
| 31 Aug 2006 | Hail | 0.75 in | — | — | — | — | County |
| 8 Aug 2006 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jul 2006 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 0.88 in | — | — | — | — | County |
| 10 Aug 2005 | Hail | 0.75 in | — | — | — | — | County |
| 1 Sep 2004 | Hail | 0.88 in | — | — | — | — | County |
| 19 Jul 2004 | Hail | 0.75 in | — | — | — | — | County |
| 19 Jul 2004 | Hail | 0.88 in | — | — | — | — | County |
| 25 Jun 2004 | Hail | 1.25 in | — | — | — | — | County |
| 25 Jun 2004 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jun 2002 | Hail | 0.75 in | — | — | — | — | County |
| 19 May 2002 | Hail | 1.00 in | — | — | — | — | County |
| 30 Aug 1999 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jul 1999 | Hail | 1.50 in | — | — | — | — | County |
| 14 Sep 1997 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 1997 | Hail | 1.75 in | — | — | — | — | County |
| 1 Aug 1997 | Hail | 1.50 in | — | — | — | — | County |
| 21 Jul 1997 | Hail | 1.00 in | — | — | — | — | County |
| 2 Jul 1996 | Hail | 1.75 in | — | — | — | — | County |
| 2 Jul 1996 | Hail | 1.00 in | — | — | — | — | County |
| 2 Jul 1996 | Hail | 2.75 in | — | — | — | — | County |
| 2 Jul 1996 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 1995 | Hail | 0.88 in | — | — | — | — | County |
| 11 Aug 1995 | Hail | 1.75 in | — | — | — | — | County |
| 11 Aug 1995 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 1995 | Hail | 1.75 in | — | — | — | — | County |
| 10 Aug 1995 | Hail | 0.75 in | — | — | — | — | County |
| 10 Aug 1995 | Hail | 1.75 in | — | — | — | — | County |
| 6 Aug 1993 | Hail | 1.75 in | $5K | — | — | — | County |
| 20 Aug 1990 | Hail | 1.00 in | — | — | — | — | County |
| 20 Aug 1990 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jul 1990 | Hail | 1.25 in | — | — | — | — | County |
| 20 Jul 1989 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 1989 | Hail | 0.75 in | — | — | — | — | County |
| 15 Jul 1989 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jul 1989 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jun 1988 | Hail | 0.75 in | — | — | — | — | County |
| 28 Jun 1988 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jun 1988 | Hail | 1.75 in | — | — | — | — | County |
| 27 Aug 1985 | Hail | 1.00 in | — | — | — | — | County |
| 23 Aug 1984 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jun 1982 | Hail | 0.75 in | — | — | — | — | County |
| 18 Aug 1981 | Hail | 0.75 in | — | — | — | — | County |
| 24 Jun 1974 | Hail | 1.00 in | — | — | — | — | County |
| 23 Jun 1974 | Hail | 0.75 in | — | — | — | — | County |
| 18 May 1974 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jun 1972 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jul 1971 | Hail | 0.75 in | — | — | — | — | County |
| 24 Jul 1966 | Hail | 0.75 in | — | — | — | — | County |
| 14 Jul 1966 | Hail | 2.50 in | — | — | — | — | County |
| 3 Aug 1960 | Hail | 1.50 in | — | — | — | — | County |
| 13 Jul 1956 | Hail | 1.00 in | — | — | — | — | County |
Questions and answers
How many hail events has Flathead County had?
103 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 Flathead County?
28 May 2026 (Hail, 1.25 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Flathead County?
The hail of 7 Jul 2022, with property damage estimated by NCEI at $1.5M.
How does Flathead County compare with Montana for hail?
2.0 events per 100 square miles against 5.8 statewide; the county holds 103 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.