States › Montana › Yellowstone County › Hail
Hail in Yellowstone County, Montana
507 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.
Yellowstone County, Montana, has 507 hail events in the NCEI record since 1950, with at least one in 58 different years.
July is the busiest month, with 179 of the recorded events. The last 20 years account for 300 events against 164 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 6% of the 8,391 hail events recorded in Montana; its 19.3 per 100 square miles compares with 5.8 statewide.
117 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 3.00 inches (tea cup size).
Compared with Montana
| Measure | Yellowstone County | Montana | US |
|---|---|---|---|
| Hail events since 1950 | 507 | 8,391 | 424,356 |
| Per 100 square miles | 19.3 | 5.8 | 12.0 |
| Per 10,000 residents | 30.3 | 76.0 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | July | July | May |
By year
Seasonality
0Feb
0Mar
0Apr
5May
97Jun
129Jul
179Aug
89Sep
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
The 166 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 507. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 7 Jun 2026 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.50 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.50 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.75 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.75 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.50 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.50 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.25 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.25 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 7 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.50 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.50 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.50 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.50 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.75 in | — | — | — | — | County |
| 23 Jul 2025 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jul 2025 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jun 2025 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jun 2025 | Hail | 1.50 in | — | — | — | — | County |
| 16 Jun 2025 | Hail | 1.00 in | — | — | — | — | County |
| 6 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jun 2024 | Hail | 1.75 in | — | — | — | — | County |
| 23 Jun 2024 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jun 2023 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jul 2022 | Hail | 1.50 in | — | — | — | — | County |
| 24 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jul 2022 | Hail | 1.50 in | — | — | — | — | County |
| 24 Jul 2022 | Hail | 1.25 in | — | — | — | — | County |
| 15 Jul 2022 | Hail | 1.75 in | — | — | — | — | County |
| 15 Jul 2022 | Hail | 1.50 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.50 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.50 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.50 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.75 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.25 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 2.00 in | — | — | — | — | County |
| 5 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 3 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jul 2022 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jul 2022 | Hail | 0.88 in | — | — | — | — | County |
| 9 Jul 2021 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jul 2021 | Hail | 1.00 in | — | — | — | — | County |
| 6 Jul 2021 | Hail | 1.00 in | — | — | — | — | County |
| 6 Jul 2021 | Hail | 1.00 in | — | — | — | — | County |
| 6 Jul 2021 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 1.25 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 0.88 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 1.50 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 2.00 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 0.88 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 0.75 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 0.75 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 0.88 in | — | — | — | — | County |
| 10 Jun 2021 | Hail | 1.00 in | — | — | — | — | County |
| 28 May 2021 | Hail | 0.88 in | — | — | — | — | County |
| 7 Jul 2020 | Hail | 2.00 in | — | — | — | — | County |
| 7 Jul 2020 | Hail | 1.50 in | — | — | — | — | County |
| 7 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jun 2020 | Hail | 0.88 in | — | — | — | — | County |
| 3 May 2020 | Hail | 0.75 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 0.88 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 22 Aug 2019 | Hail | 0.88 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 2.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 3.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.50 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 2.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.50 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.50 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.50 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 2.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 2.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 11 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 24 Jul 2019 | Hail | 1.25 in | — | — | — | — | County |
| 14 Jul 2019 | Hail | 0.75 in | — | — | — | — | County |
| 14 Jul 2019 | Hail | 0.88 in | — | — | — | — | County |
| 14 Jul 2019 | Hail | 0.88 in | — | — | — | — | County |
| 14 Jul 2019 | Hail | 1.00 in | — | — | — | — | County |
| 14 Jul 2019 | Hail | 0.88 in | — | — | — | — | County |
| 30 Jun 2019 | Hail | 0.88 in | — | — | — | — | County |
| 30 Jun 2019 | Hail | 0.75 in | — | — | — | — | County |
| 30 Jun 2019 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jun 2019 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jun 2019 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jun 2019 | Hail | 0.75 in | — | — | — | — | County |
| 26 May 2019 | Hail | 1.75 in | — | — | — | — | County |
| 26 May 2019 | Hail | 1.75 in | — | — | — | — | County |
| 26 May 2019 | Hail | 1.00 in | — | — | — | — | County |
| 26 May 2019 | Hail | 1.25 in | — | — | — | — | County |
| 14 Aug 2018 | Hail | 0.88 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.25 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.25 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.75 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 2 Jul 2018 | Hail | 0.75 in | — | — | — | — | County |
| 2 Jul 2018 | Hail | 1.50 in | — | — | — | — | County |
| 2 Jul 2018 | Hail | 0.88 in | — | — | — | — | County |
| 21 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jun 2018 | Hail | 0.75 in | — | — | — | — | County |
| 27 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 23 May 2018 | Hail | 0.88 in | — | — | — | — | County |
| 23 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 23 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 23 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 23 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2018 | Hail | 0.75 in | — | — | — | — | County |
| 7 May 2018 | Hail | 0.75 in | — | — | — | — | County |
| 1 Aug 2017 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jul 2016 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jul 2016 | Hail | 2.50 in | — | — | — | — | County |
| 27 Jul 2016 | Hail | 2.75 in | — | — | — | — | County |
| 27 Jul 2016 | Hail | 1.00 in | — | — | — | — | County |
| 31 Jul 1998 | Hail | 1.25 in | $8.0M | $1.0M | — | — | County |
| 4 Jul 1998 | Hail | 1.75 in | $4.0M | $1.0M | — | — | County |
| 4 Jul 1998 | Hail | 2.50 in | $2.0M | — | — | — | County |
| 4 Jul 1998 | Hail | 1.00 in | — | $500K | — | — | County |
| 24 Jul 1994 | Hail | 1.00 in | $500 | — | — | — | County |
| 5 Jul 1994 | Hail | 2.00 in | $50K | — | — | — | County |
| 5 Jul 1994 | Hail | 1.00 in | $5K | — | — | — | County |
| 5 Jul 1994 | Hail | 0.75 in | $5K | — | — | — | County |
| 16 Jun 1994 | Hail | 1.00 in | $5K | — | — | — | County |
| 16 Aug 1993 | Hail | 1.25 in | $5K | — | — | — | County |
| 16 Aug 1993 | Hail | 1.00 in | $5K | — | — | — | County |
Questions and answers
How many hail events has Yellowstone County had?
507 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 Yellowstone County?
7 Jun 2026 (Hail, 1.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Yellowstone County?
The hail of 31 Jul 1998, with property damage estimated by NCEI at $8.0M and crop damage at $1.0M.
How does Yellowstone County compare with Montana for hail?
19.3 events per 100 square miles against 5.8 statewide; the county holds 507 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.