NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Tetonia, 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 Tetonia, Idaho since records began in 1851. Since 1950, 3 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 3
- 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 Tetonia
The strongest of the 3 tornadoes within 25 miles was an EF1 on October 15, 2025; its path came within 10 miles. Of the 90 Idaho cities on this site, 79% have more tornadoes within 25 miles than Tetonia. Hail has been reported within 10 miles 13 times since 1975, with stones up to 1.75 inches (golf ball size). Tetonia has more hail reports within 10 miles than 60% of the 90 Idaho cities.
Compare Tetonia's storm record with another city →
Tornadoes within 25 miles of Tetonia
By decade
- 2020s1
- 2000s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Oct 15, 2025 | EF1 | 10 mi | 0.99 mi | 0 / 0 |
| Jul 2, 2004 | F0 | 20 mi | 0.2 mi | 0 / 0 |
| Jun 9, 1954 | F0 | 4 mi | 0.3 mi | 0 / 0 |
The strongest 3 of 3, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Tetonia
The Storm Prediction Center has 13 hail reports within 10 miles of Tetonia since 1975, made on 12 separate days. Of these, 4 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 2 days, most recently May 31, 2014. The most recent report is from June 1, 2015. July has the most reports, 6.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Tetonia
The nearest NOAA station with 1991–2020 climate normals is Tetonia Exp Stn, ID, 6 miles northwest of Tetonia at 6,170 feet. July is the warmest, with an average high of 78°F and low of 47°F; January is the coolest, at 27°F and 8°F. May is the wettest at 2.3 inches of precipitation on average and July the driest at 0.9 inches; the year adds up to 19.1 inches over 61 days with at least a tenth of an inch. Highs reach 90°F on about 1 days a year. Lows fall below freezing on about 218 nights a year. That 19.1 inches is more than at 47 of the 66 Idaho stations used on this site (71%). Driggs, 7 miles south, has its own station (Alta 1 NNW, WY): 25.0 inches a year, 5.9 more than here, and a July average high of 79°F against 78°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 27 | 8 | 2.0 | 8 |
| Feb | 31 | 11 | 1.2 | 5 |
| Mar | 39 | 19 | 1.6 | 5 |
| Apr | 49 | 27 | 1.8 | 6 |
| May | 60 | 35 | 2.3 | 7 |
| Jun | 69 | 41 | 1.7 | 6 |
| Jul | 78 | 47 | 0.9 | 3 |
| Aug | 78 | 45 | 1.2 | 3 |
| Sep | 69 | 38 | 1.5 | 3 |
| Oct | 54 | 28 | 1.6 | 5 |
| Nov | 38 | 19 | 1.2 | 4 |
| Dec | 27 | 9 | 2.1 | 7 |
| Year | 52 | 27 | 19.1 | 61 |
Averages for 1991–2020 at Tetonia Exp Stn, ID (6,170 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 Tetonia
Since 1996, the National Weather Service has logged 36 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Tetonia: 29 thunderstorm wind reports, 3 floods, 2 flash floods, 1 heavy rain event and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $2.2 million in property and crop damage. The strongest thunderstorm gust on record here was 69 mph, on August 22, 2003.
August 1, 2014: heavy rain event 7 miles from the centre of Tetonia — $2.0 million damage.
NWS: “Farmers and ranchers in Teton County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Teton County.”
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
Teton County, which includes Tetonia, has been named in 3 federal disaster or emergency declarations since 2005, 1 of them major disasters (by incident: 2 biological emergencies, 1 hurricane). The latest major disaster declaration was Covid-19 Pandemic, on April 9, 2020. FEMA's National Risk Index gives Teton County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for lightning; Very Low for tornadoes, hail, inland flooding, strong wind and heat waves. It models the county's expected loss from all 18 hazards it covers at $12.1 million a year, the 21st highest of 44 Idaho counties; of the hazards above, the largest share, $4.1 million (34%), 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 Tetonia
- Driggs, ID7 mi
- Victor, ID13 mi
- Ashton, ID20 mi
- Wilson, WY26 mi
- Sugar City, ID27 mi
- Saint Anthony, ID28 mi
- Jackson, WY32 mi
- Rexburg, ID32 mi
- Rigby, ID37 mi
- Iona, ID44 mi
- Ammon, ID47 mi
- Idaho Falls, ID48 mi
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