NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Moorcroft, WY
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
No tropical storm or hurricane has passed within 75 miles of Moorcroft, Wyoming since records began in 1851. Since 1950, 31 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 31
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Moorcroft
The highest rating among the 31 tornadoes within 25 miles is F2 or EF2, reached 5 times; the most recent, on June 13, 2014, came within 25 miles. Of the 31, none had a path within 5 miles of the city centre, and 9 have come since 2000. June has had the most tornadoes, 18. The most recent tornado was on July 19, 2025. Moorcroft has more tornadoes within 25 miles than 80% of the 35 Wyoming cities on this site. Hail has been reported within 10 miles 50 times since 1965, with stones up to 1.75 inches (golf ball size). Moorcroft has more hail reports within 10 miles than 80% of the 35 Wyoming cities.
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Tornadoes within 25 miles of Moorcroft
By decade
- 2020s2
- 2010s6
- 2000s1
- 1990s1
- 1980s6
- 1970s9
- 1960s2
- 1950s4
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 13, 2014 | EF2 | 25 mi | 16.51 mi | 0 / 1 |
| May 31, 1984 | F2 | 11 mi | 0.5 mi | 0 / 0 |
| Jun 25, 1975 | F2 | 17 mi | 16.3 mi | 0 / 1 |
| May 18, 1961 | F2 | 17 mi | 0.1 mi | 0 / 0 |
| Jun 25, 1959 | F2 | 24 mi | 1 mi | 0 / 0 |
| Jul 19, 2025 | EF1 | 9 mi | 0.01 mi | 0 / 0 |
| Aug 19, 2024 | EF1 | 23 mi | 2.51 mi | 0 / 0 |
| Jun 25, 2019 | EF1 | 24 mi | 5.37 mi | 0 / 0 |
| Jun 25, 2019 | EF1 | 24 mi | 5.28 mi | 0 / 0 |
| Aug 7, 2016 | EF1 | 23 mi | 1.52 mi | 0 / 0 |
| Jun 25, 2014 | EF1 | 17 mi | 5.92 mi | 0 / 0 |
| Aug 19, 1993 | F1 | 24 mi | 0.5 mi | 0 / 0 |
The strongest 12 of 31, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Moorcroft
The Storm Prediction Center has 50 hail reports within 10 miles of Moorcroft since 1965, made on 39 separate days. Of these, 38 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 4 days, most recently July 30, 2023. The most recent report is from May 17, 2024. June has the most reports, 19.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Moorcroft
The nearest NOAA station with 1991–2020 climate normals is Devils Twr #2, WY, 14 miles northeast of Moorcroft at 3,862 feet. July is the warmest, with an average high of 85°F and low of 55°F; January is the coolest, at 34°F and 8°F. June is the wettest at 3.2 inches of precipitation on average and January and December the driest at 0.7 inches; the year adds up to 19.0 inches over 48 days with at least a tenth of an inch. Highs reach 90°F on about 25 days a year, almost all from June to September. Lows fall below freezing on about 201 nights a year. Snowfall averages 48.8 inches a year, most of it in December. That 19.0 inches is more than at 29 of the 32 Wyoming stations used on this site (91%). Sundance, 26 miles east, has its own station (Sundance, WY): 20.3 inches a year, 1.3 more than here, and a July average high of 82°F against 85°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 34 | 8 | 0.7 | 3 | 8.8 |
| Feb | 37 | 11 | 0.8 | 3 | 9.3 |
| Mar | 47 | 21 | 1.1 | 3 | 7.3 |
| Apr | 57 | 29 | 2.0 | 6 | 5.3 |
| May | 66 | 39 | 2.9 | 7 | 0.4 |
| Jun | 76 | 49 | 3.2 | 7 | 0.0 |
| Jul | 85 | 55 | 2.1 | 5 | 0.0 |
| Aug | 85 | 52 | 1.9 | 4 | 0.0 |
| Sep | 75 | 42 | 1.3 | 4 | 0.0 |
| Oct | 60 | 30 | 1.5 | 4 | 1.8 |
| Nov | 45 | 19 | 0.8 | 2 | 6.3 |
| Dec | 35 | 9 | 0.7 | 2 | 9.6 |
| Year | 58 | 30 | 19.0 | 48 | 48.8 |
Averages for 1991–2020 at Devils Twr #2, WY (3,862 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Moorcroft
Since 1996, the National Weather Service has logged 26 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Moorcroft: 24 thunderstorm wind reports, 1 flash flood and 1 flood. None is recorded as killing or injuring anyone; the NWS estimated $56,000 in property and crop damage. The strongest thunderstorm gust on record here was 78 mph, on June 22, 2010.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Crook County, which includes Moorcroft, has been named in 7 federal disaster or emergency declarations since 1978, 4 of them major disasters (by incident: 2 biological emergencies, 2 fires, 2 severe storms, 1 flood). The latest major disaster declaration was Covid-19 Pandemic, on April 11, 2020. FEMA's National Risk Index gives Crook County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for hail; Relatively Low for strong wind and lightning; Very Low for tornadoes, inland flooding and heat waves. It models the county's expected loss from all 18 hazards it covers at $6.3 million a year, the 18th highest of 23 Wyoming counties; of the hazards above, the largest share, $2.5 million (39%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Moorcroft
- Sundance, WY26 mi
- Gillette, WY38 mi
- Spearfish, SD52 mi
- Lead, SD55 mi
- Newcastle, WY55 mi
- Belle Fourche, SD58 mi
- Whitewood, SD64 mi
- Sturgis, SD72 mi
- Custer, SD79 mi
- Piedmont, SD80 mi
- Black Hawk, SD81 mi
- Rapid City, SD87 mi
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