◆ (LWT)LEWISTON MUNI A, MT HAIL HISTORY · FERGUS COUNTY
(Lwt)Lewiston Muni A, MT hail history & hail map
(Lwt)Lewiston Muni A, Montana has had 8 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: Jul 15, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
8Hail events in the past 5 years
2.50″Largest recorded hail · Tennis Ball
2.50″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over (Lwt)Lewiston Muni A, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in (Lwt)Lewiston Muni A
| Date | Peak hail | Sources |
|---|---|---|
| Jul 15, 2026 | 0.75″ Penny | Radar 0.75″ |
| Sep 12, 2025 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Jun 15, 2025 | 2.50″ Tennis Ball | 1 ground report (max 2.50″) |
| Jul 25, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jul 20, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jul 30, 2023 | 1.25″ Half Dollar | Radar 1.00″ · 2 ground reports (max 1.25″) |
| Jun 1, 2023 | 1.50″ Ping Pong Ball | 5 ground reports (max 1.50″) |
| Jul 5, 2022 | 0.70″ Small | 2 ground reports (max 0.70″) |
More Montana hail history
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Events count days with NOAA MRMS radar hail over (Lwt)Lewiston Muni A (47.030, -109.420) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.