NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Mountain Home Afb, 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 Mountain Home Afb, Idaho since records began in 1851. Since 1950, 4 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 4
- 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 Mountain Home Afb
The highest rating among the 4 tornadoes within 25 miles is F0 or EF0, reached 4 times; the most recent, on May 27, 2023, came within 16 miles. Of the 90 Idaho cities on this site, 72% have more tornadoes within 25 miles than Mountain Home Afb. Hail has been reported within 10 miles 8 times since 1976, with stones up to 1 inch (quarter size). Of the 90 Idaho cities, 57% have more hail reports within 10 miles than Mountain Home Afb.
Compare Mountain Home Afb's storm record with another city →
Tornadoes within 25 miles of Mountain Home Afb
By decade
- 2020s1
- 2010s2
- 1990s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 27, 2023 | EF0 | 16 mi | 5.04 mi | 0 / 0 |
| May 27, 2019 | EF0 | 23 mi | 0.52 mi | 0 / 0 |
| May 26, 2013 | EF0 | 8 mi | 3.92 mi | 0 / 0 |
| Apr 23, 1998 | F0 | 10 mi | 0.5 mi | 0 / 0 |
The strongest 4 of 4, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Mountain Home Afb
The Storm Prediction Center has 8 hail reports within 10 miles of Mountain Home Afb since 1976. Of these, 3 were 1 inch across or larger, and none reached 2 inches. The largest size, 1 inch (quarter size), was reported on 3 days, most recently July 29, 2014. The most recent report is from July 29, 2014.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Mountain Home Afb
The nearest NOAA station with 1991–2020 climate normals is Bruneau, ID, 13 miles south of Mountain Home Afb at 2,530 feet. July is the warmest, with an average high of 96°F and low of 61°F; December is the coolest, at 43°F and 26°F. May is the wettest at 1.2 inches of precipitation on average and July and August the driest at 0.1 inches; the year adds up to 7.4 inches over 26 days with at least a tenth of an inch. Highs reach 90°F on about 63 days a year, almost all from May to September. Lows fall below freezing on about 121 nights a year. That 7.4 inches is more than at 1 of the 66 Idaho stations used on this site (2%). Mountain Home, 15 miles northeast, has its own station (Glenns Ferry, ID): 10.6 inches a year, 3.2 more than here, and a July average high of 99°F against 96°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 43 | 27 | 1.0 | 4 |
| Feb | 51 | 29 | 0.5 | 2 |
| Mar | 61 | 35 | 0.7 | 3 |
| Apr | 68 | 40 | 0.7 | 3 |
| May | 76 | 48 | 1.2 | 4 |
| Jun | 85 | 55 | 0.6 | 2 |
| Jul | 96 | 61 | 0.1 | 0 |
| Aug | 94 | 58 | 0.1 | 1 |
| Sep | 84 | 49 | 0.3 | 1 |
| Oct | 70 | 40 | 0.6 | 2 |
| Nov | 54 | 32 | 0.6 | 3 |
| Dec | 43 | 26 | 1.0 | 3 |
| Year | 69 | 42 | 7.4 | 26 |
Averages for 1991–2020 at Bruneau, ID (2,530 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 Mountain Home Afb
Since 1996, the National Weather Service has logged 28 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mountain Home Afb: 24 thunderstorm wind reports, 3 heavy rain events and 1 flash flood. They killed 3 people and injured 5. The strongest thunderstorm gust on record here was 79 mph, on June 4, 2017.
May 1, 2021: thunderstorm wind 3 miles from the centre of Mountain Home Afb — 3 killed, 5 injured.
NWS: “The AWOS at Mountain Home AFB measured a 58 MPH wind gust with several reports of damage received by the public. A dust storm from the gust front of a nearby thunderstorm reduced visibility to near zero, resulting in a 7 car accident with 3 fatalities.”
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
Elmore County, which includes Mountain Home Afb, has been named in 11 federal disaster or emergency declarations since 1964, 6 of them major disasters (by incident: 3 fires, 3 floods, 2 biological emergencies, 1 drought). The latest major disaster declaration was Covid-19 Pandemic, on April 9, 2020. FEMA's National Risk Index gives Elmore County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Low for strong wind and heat waves; Very Low for tornadoes, hail, inland flooding and lightning. It models the county's expected loss from all 18 hazards it covers at $21.7 million a year, the 11th highest of 44 Idaho counties; of the hazards above, the largest share, $4.5 million (21%), 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 Mountain Home Afb
- Mountain Home, ID15 mi
- Kuna, ID38 mi
- Melba, ID42 mi
- Boise, ID42 mi
- Meridian, ID48 mi
- Nampa, ID50 mi
- Hagerman, ID50 mi
- Eagle, ID51 mi
- Star, ID54 mi
- Gooding, ID59 mi
- Middleton, ID59 mi
- Marsing, ID59 mi
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