NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Ashton, ID
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 Ashton, Idaho since records began in 1851. Since 1950, 7 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 7
- 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 Ashton
The strongest of the 7 tornadoes within 25 miles was an F1 on May 15, 1984; its path came within 16 miles. Of the 7, none had a path within 5 miles of the city centre, and 2 have come since 2000. The most recent tornado was on September 17, 2013. Of the 90 Idaho cities on this site, 57% have more tornadoes within 25 miles than Ashton. Hail has been reported within 10 miles 10 times since 1967, with stones up to 1.75 inches (golf ball size). Of the 90 Idaho cities, 48% have more hail reports within 10 miles than Ashton.
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Tornadoes within 25 miles of Ashton
By decade
- 2010s1
- 2000s1
- 1980s3
- 1970s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 15, 1984 | F1 | 16 mi | 8 mi | 0 / 0 |
| Sep 17, 2013 | EF0 | 18 mi | 0.5 mi | 0 / 0 |
| Jul 2, 2004 | F0 | 5 mi | 0.2 mi | 0 / 0 |
| Apr 27, 1987 | F0 | 25 mi | 0.2 mi | 0 / 0 |
| Aug 9, 1986 | F0 | 23 mi | 0.5 mi | 0 / 0 |
| Jul 22, 1973 | F0 | 23 mi | 0.1 mi | 0 / 0 |
| Jun 9, 1954 | F0 | 17 mi | 0.3 mi | 0 / 0 |
The strongest 7 of 7, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Ashton
The Storm Prediction Center has 10 hail reports within 10 miles of Ashton since 1967, made on 8 separate days. All were 1 inch across or larger, and none reached 2 inches. The largest, 1.75 inches (golf ball size), fell on June 13, 1984. The most recent report is from July 13, 2021. July has the most reports, 5.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Ashton
The nearest NOAA station with 1991–2020 climate normals is Ashton 1N, ID, 3 miles west of Ashton at 5,212 feet. July is the warmest, with an average high of 83°F and low of 51°F; January is the coolest, at 29°F and 13°F. January and December are the wettest at 2.3 inches of precipitation on average and July the driest at 0.6 inches; the year adds up to 19.7 inches over 53 days with at least a tenth of an inch. Highs reach 90°F on about 9 days a year, almost all from July to August. Lows fall below freezing on about 190 nights a year. Snowfall averages 70.1 inches a year, most of it in December. That 19.7 inches is more than at 48 of the 66 Idaho stations used on this site (73%). Saint Anthony, 16 miles southwest, has its own station (Saint Anthony, ID): 14.9 inches a year, 4.8 less than here, and the same July average high, 83°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 29 | 13 | 2.3 | 6 | 19.8 |
| Feb | 33 | 17 | 1.5 | 5 | 10.7 |
| Mar | 42 | 25 | 1.3 | 4 | 5.3 |
| Apr | 54 | 31 | 1.7 | 5 | 2.0 |
| May | 65 | 40 | 2.2 | 6 | 0.0 |
| Jun | 73 | 46 | 2.2 | 5 | 0.0 |
| Jul | 83 | 51 | 0.6 | 2 | 0.0 |
| Aug | 83 | 49 | 0.9 | 2 | 0.0 |
| Sep | 73 | 42 | 1.2 | 3 | 0.0 |
| Oct | 57 | 32 | 1.6 | 4 | 1.6 |
| Nov | 40 | 23 | 1.9 | 5 | 10.5 |
| Dec | 29 | 15 | 2.3 | 6 | 20.2 |
| Year | 55 | 32 | 19.7 | 53 | 70.1 |
Averages for 1991–2020 at Ashton 1N, ID (5,212 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 Ashton
Since 1996, the National Weather Service has logged 23 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Ashton: 22 thunderstorm wind reports and 1 flood. None is recorded as killing or injuring anyone; the NWS estimated $31,000 in property and crop damage. The strongest thunderstorm gust on record here was 75 mph, on August 2, 2004.
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
Fremont County, which includes Ashton, has been named in 5 federal disaster or emergency declarations since 1976, 3 of them major disasters (by incident: 2 biological emergencies, 1 flood, 1 hurricane, 1 severe storm). The latest major disaster declaration was Covid-19 Pandemic, on April 9, 2020. FEMA's National Risk Index gives Fremont County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for lightning; Relatively Low for inland flooding; Very Low for tornadoes, hail, strong wind and heat waves. It models the county's expected loss from all 18 hazards it covers at $16.1 million a year, the 16th highest of 44 Idaho counties; of the hazards above, the largest share, $6.9 million (43%), 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 Ashton
- Saint Anthony, ID16 mi
- Tetonia, ID20 mi
- Sugar City, ID21 mi
- Rexburg, ID27 mi
- Driggs, ID27 mi
- Victor, ID32 mi
- Rigby, ID35 mi
- Wilson, WY46 mi
- Idaho Falls, ID49 mi
- Ammon, ID50 mi
- Iona, ID50 mi
- Jackson, WY52 mi
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