NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Tremonton, UT
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 Tremonton, Utah since records began in 1851. Since 1950, 11 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 11
- 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 Tremonton
The highest rating among the 11 tornadoes within 25 miles is F1, reached 3 times; the most recent, on September 17, 1989, came within 25 miles. Of the 11, none had a path within 5 miles of the city centre, and 2 have come since 2000. August has had the most tornadoes, 5. The most recent tornado was on May 3, 2009. Tremonton has more tornadoes within 25 miles than 52% of the 99 Utah cities on this site. Hail has been reported within 10 miles 7 times since 1958, with stones up to 1.5 inches (ping pong ball size). Of the 99 Utah cities, 62% have more hail reports within 10 miles than Tremonton.
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Tornadoes within 25 miles of Tremonton
By decade
- 2000s2
- 1990s1
- 1980s7
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Sep 17, 1989 | F1 | 25 mi | 0.2 mi | 0 / 0 |
| May 21, 1986 | F1 | 24 mi | 5 mi | 0 / 0 |
| May 6, 1981 | F1 | 17 mi | 0.5 mi | 0 / 0 |
| May 3, 2009 | EF0 | 22 mi | 1 mi | 0 / 0 |
| Jul 25, 2007 | EF0 | 14 mi | 0.25 mi | 0 / 0 |
| Sep 10, 1991 | F0 | 16 mi | 0.2 mi | 0 / 0 |
| Aug 25, 1987 | F0 | 20 mi | 0.2 mi | 0 / 0 |
| Aug 25, 1987 | F0 | 14 mi | 0.2 mi | 0 / 0 |
| Aug 16, 1984 | F0 | 13 mi | 0.1 mi | 0 / 0 |
| Aug 16, 1984 | F0 | 16 mi | 0.1 mi | 0 / 0 |
| Aug 14, 1968 | F0 | 12 mi | 4.1 mi | 0 / 0 |
The strongest 11 of 11, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Tremonton
The Storm Prediction Center has 7 hail reports within 10 miles of Tremonton since 1958. Of these, 5 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.5 inches (ping pong ball size), was reported on 2 days, most recently August 5, 2015. The most recent report is from August 6, 2023.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Tremonton
The nearest NOAA station with 1991–2020 climate normals is Tremonton, UT, 3 miles northeast of Tremonton at 4,310 feet. July is the warmest, with an average high of 91°F and low of 62°F; January is the coolest, at 36°F and 19°F. January is the wettest at 2.1 inches of precipitation on average and July the driest at 0.6 inches; the year adds up to 16.1 inches over 44 days with at least a tenth of an inch. Highs reach 90°F on about 45 days a year, almost all from June to September. Lows fall below freezing on about 132 nights a year. Snowfall averages 40.4 inches a year, most of it in January. That 16.1 inches is more than at 27 of the 58 Utah stations used on this site (47%). Mendon, 13 miles east, has its own station (Logan 5 SW Exp Farm, UT): 17.9 inches a year, 1.8 more than here, and a July average high of 88°F against 91°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 36 | 19 | 2.1 | 5 | 12.2 |
| Feb | 41 | 23 | 1.5 | 5 | 8.7 |
| Mar | 53 | 32 | 1.3 | 4 | 2.8 |
| Apr | 61 | 37 | 1.4 | 4 | 0.8 |
| May | 70 | 46 | 2.0 | 5 | 0.1 |
| Jun | 81 | 53 | 1.2 | 3 | 0.0 |
| Jul | 91 | 62 | 0.6 | 2 | 0.0 |
| Aug | 90 | 60 | 0.8 | 2 | 0.0 |
| Sep | 79 | 50 | 1.1 | 2 | 0.0 |
| Oct | 65 | 38 | 1.5 | 4 | 0.5 |
| Nov | 49 | 28 | 1.0 | 3 | 4.4 |
| Dec | 37 | 21 | 1.6 | 4 | 10.9 |
| Year | 63 | 39 | 16.1 | 44 | 40.4 |
Averages for 1991–2020 at Tremonton, UT (4,310 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 Tremonton
Since 1996, the National Weather Service has logged 14 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Tremonton: 11 thunderstorm wind reports, 2 floods and 1 flash flood. They killed 0 people and injured 1, and the NWS estimated $2.1 million in property and crop damage. The strongest thunderstorm gust on record here was 77 mph, on May 19, 2016.
June 1, 2015: thunderstorm wind 7 miles from the centre of Tremonton — 1 injured, $50,000 damage.
NWS: “A strong thunderstorm moved through northern Box Elder County, with a maximum recorded wind gust of 62 mph at the I-84 at White's Valley sensor. This thunderstorm caused significant damage in the town of Portage, Utah, with several trees damaged or knocked down and approximately ten homes with shingle damage.”
August 3, 2023: flood 7 miles from the centre of Tremonton — $1.0 million damage.
NWS: “44 inches of rain was recorded. 83 inches of rain measured in Honeyville.”
August 3, 2023: flash flood 8 miles from the centre of Tremonton — $1.0 million damage.
NWS: “66 inches of rain fell from August 1 to August 3.”
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
Box Elder County, which includes Tremonton, has been named in 9 federal disaster or emergency declarations since 1977, 6 of them major disasters (by incident: 5 floods, 2 biological emergencies, 1 coastal storm, 1 drought). The latest major disaster declaration was Covid-19 Pandemic, on April 4, 2020. FEMA's National Risk Index gives Box Elder County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for strong wind and lightning; Relatively Low for heat waves; Very Low for tornadoes, hail and inland flooding. It models the county's expected loss from all 18 hazards it covers at $31.3 million a year, the 8th highest of 29 Utah counties; of the hazards above, the largest share, $4.0 million (13%), 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 Tremonton
- Garland, UT6 mi
- Mendon, UT13 mi
- Brigham City, UT15 mi
- Wellsville, UT16 mi
- Hyrum, UT20 mi
- Millville, UT21 mi
- Smithfield, UT21 mi
- Providence, UT21 mi
- Hyde Park, UT22 mi
- Logan, UT23 mi
- Willard, UT24 mi
- Richmond, UT26 mi
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