Montana, 1990
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 1990 was 71 against 89 in 1989.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 2 Jul 1990 | Cascade | Thunderstorm Wind | 86 mph | — | — | 1 |
| 15 Aug 1990 | Ravalli | Tornado | F0 | $2,500 | — | — |
| 24 May 1990 | Carbon | Tornado | F1 | — | — | — |
| 24 May 1990 | Yellowstone | Tornado | F1 | — | — | — |
| 24 May 1990 | Powder River | Tornado | F1 | — | — | — |
| 5 Jul 1990 | Chouteau | Tornado | F0 | — | — | — |
| 27 Jun 1990 | Richland | Tornado | F0 | — | — | — |
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 1990
No declaration touching Montana was made in 1990.
Flood insurance claims with a 1990 date of loss
2 NFIP claims, 1 of them paid, for $68,150.
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.