Montana, 2021
The year's recorded storm events, federal disaster declarations and flood insurance claims.
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.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2021 was 1,424 against 1,349 in 2020.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 27 Dec 2021 | Forecast zone | Winter Weather | — | — | 1 | 2 |
| 27 Dec 2021 | Forecast zone | Avalanche | — | — | 1 | 2 |
| 16 Jul 2021 | Forecast zone | Wildfire | — | — | 1 | 1 |
| 26 Dec 2021 | Forecast zone | Winter Weather | — | — | 1 | 1 |
| 5 Feb 2021 | Forecast zone | Winter Storm | — | — | 1 | — |
| 16 Aug 2021 | Big Horn | Thunderstorm Wind | 64 mph | — | 1 | — |
| 14 Jun 2021 | Judith Basin | Wildfire | — | — | — | 5 |
| 1 Aug 2021 | Forecast zone | Wildfire | — | $3,570,000 | — | — |
| 10 Jun 2021 | McCone | Thunderstorm Wind | 105 mph | $1,200,000 | — | — |
| 23 Dec 2021 | Forecast zone | Strong Wind | 54 mph | $1,000,000 | — | — |
| 13 Jan 2021 | Forecast zone | High Wind | 81 mph | $500,000 | — | — |
| 15 Nov 2021 | Forecast zone | High Wind | 78 mph | $105,000 | — | — |
| 15 Nov 2021 | Forecast zone | High Wind | 63 mph | $105,000 | — | — |
| 13 Jan 2021 | Forecast zone | High Wind | 64 mph | $100,000 | — | — |
| 18 Apr 2021 | Forecast zone | Strong Wind | 49 mph | $75,000 | — | — |
| 13 Jun 2021 | Missoula | Thunderstorm Wind | 63 mph | $75,000 | — | — |
| 13 Jan 2021 | Forecast zone | High Wind | 67 mph | $50,000 | — | — |
| 13 Jan 2021 | Forecast zone | High Wind | 64 mph | $50,000 | — | — |
| 6 Jul 2021 | Blaine | Tornado | EF unrated | — | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2021
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 30 Sep 2021 | DR-4623 | Major disaster | Fire | Richard Spring Fire | 1 |
| 13 Aug 2021 | DR-4608 | Major disaster | Other | Straight-Line Winds | 5 |
| 10 Aug 2021 | FM-5406 | Fire management assistance | Fire | Richard Spring Fire | 1 |
| 28 Jul 2021 | FM-5403 | Fire management assistance | Fire | Pf Fire | 1 |
| 17 Jul 2021 | FM-5399 | Fire management assistance | Fire | Buffalo Wildfire | 1 |
| 16 Jun 2021 | FM-5392 | Fire management assistance | Fire | Robertson Draw Fire | 1 |
Flood insurance claims with a 2021 date of loss
5 NFIP claims, 1 of them paid, for $1,947.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (29 Sep 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 30 Sep 2026.