Wyoming, 1987
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 1987 was 84 against 89 in 1986.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 3 Aug 1987 | Laramie | Hail | 2.00 in | — | — | 3 |
| 18 Jun 1987 | Platte | Tornado | F1 | $25,000 | — | 1 |
| 21 Jul 1987 | Teton | Tornado | F4 | $2,500,000 | — | — |
| 18 Jun 1987 | Natrona | Tornado | F2 | $250,000 | — | — |
| 6 Aug 1987 | Laramie | Tornado | F0 | — | — | — |
| 17 Jun 1987 | Platte | Tornado | F0 | — | — | — |
| 18 Jun 1987 | Big Horn | Tornado | F0 | — | — | — |
| 19 Jun 1987 | Crook | Tornado | F0 | — | — | — |
| 20 Jun 1987 | Laramie | Tornado | F0 | — | — | — |
| 21 Jul 1987 | Natrona | Tornado | F2 | — | — | — |
| 18 May 1987 | Campbell | Tornado | F0 | — | — | — |
| 19 May 1987 | Crook | Tornado | F0 | — | — | — |
| 26 May 1987 | Johnson | Tornado | F0 | — | — | — |
| 18 May 1987 | Washakie | 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 1987
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 4 Sep 1987 | EM-3092 | Emergency | Toxic Substances | Methane Gas Seepage | 1 |
Flood insurance claims with a 1987 date of loss
1 NFIP claims, 0 of them paid, for $0.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.