NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Lewiston, 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 Lewiston, Utah since records began in 1851. Since 1950, 10 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 10
- 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 Lewiston
The highest rating among the 10 tornadoes within 25 miles is F1, reached 5 times; the most recent, on September 17, 1989, came within 4 miles. Of the 10, 2 had paths within 5 miles of the city centre, and one has come since 2000. May has had the most tornadoes, 4. The most recent tornado was on July 25, 2007. Of the 99 Utah cities on this site, 47% have more tornadoes within 25 miles than Lewiston. Hail has been reported within 10 miles 16 times since 1958, with stones up to 1.75 inches (golf ball size). Lewiston has more hail reports within 10 miles than 65% of the 99 Utah cities.
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Tornadoes within 25 miles of Lewiston
By decade
- 2000s1
- 1990s1
- 1980s7
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Sep 17, 1989 | F1 | 4 mi | 0.2 mi | 0 / 0 |
| May 29, 1987 | F1 | 1 mi | 0.2 mi | 0 / 0 |
| May 21, 1986 | F1 | 19 mi | 5 mi | 0 / 0 |
| Jun 30, 1982 | F1 | 9 mi | 1.2 mi | 0 / 0 |
| May 6, 1981 | F1 | 10 mi | 0.5 mi | 0 / 0 |
| Jul 25, 2007 | EF0 | 15 mi | 0.25 mi | 0 / 0 |
| May 5, 1995 | F0 | 15 mi | 0.1 mi | 0 / 0 |
| Aug 25, 1987 | F0 | 12 mi | 0.2 mi | 0 / 0 |
| Aug 25, 1987 | F0 | 16 mi | 0.2 mi | 0 / 0 |
| Aug 14, 1968 | F0 | 10 mi | 4.1 mi | 0 / 0 |
The strongest 10 of 10, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Lewiston
The Storm Prediction Center has 16 hail reports within 10 miles of Lewiston since 1958, made on 13 separate days. Of these, 12 were 1 inch across or larger, and none reached 2 inches. The largest, 1.75 inches (golf ball size), fell on June 26, 2009. The most recent report is from September 10, 2019. June and August have the most reports, 6 each.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Lewiston
The nearest NOAA station with 1991–2020 climate normals is Trenton, UT, 4 miles southwest of Lewiston at 4,455 feet. July is the warmest, with an average high of 89°F and low of 51°F; January is the coolest, at 32°F and 12°F. May is the wettest at 2.2 inches of precipitation on average and July the driest at 0.6 inches; the year adds up to 16.9 inches over 49 days with at least a tenth of an inch. Highs reach 90°F on about 35 days a year, almost all from June to September. Lows fall below freezing on about 180 nights a year. Snowfall averages 49.0 inches a year, most of it in January. That 16.9 inches is more than at 31 of the 58 Utah stations used on this site (53%). Richmond, 4 miles southeast, has its own station (Richmond, UT): 20.4 inches a year, 3.5 more than here, and the same July average high, 89°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 32 | 12 | 1.5 | 5 | 13.6 |
| Feb | 37 | 17 | 1.4 | 5 | 10.4 |
| Mar | 50 | 26 | 1.7 | 5 | 4.2 |
| Apr | 59 | 32 | 2.0 | 6 | 1.9 |
| May | 69 | 39 | 2.2 | 6 | 0.1 |
| Jun | 79 | 45 | 1.2 | 3 | 0.0 |
| Jul | 89 | 51 | 0.6 | 2 | 0.0 |
| Aug | 88 | 49 | 0.8 | 2 | 0.0 |
| Sep | 77 | 40 | 1.3 | 3 | 0.0 |
| Oct | 63 | 31 | 1.5 | 4 | 0.4 |
| Nov | 47 | 23 | 1.3 | 4 | 4.9 |
| Dec | 34 | 14 | 1.4 | 5 | 13.5 |
| Year | 60 | 31 | 16.9 | 49 | 49.0 |
Averages for 1991–2020 at Trenton, UT (4,455 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 Lewiston
Since 1996, the National Weather Service has logged 27 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Lewiston: 25 thunderstorm wind reports and 2 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $262,000 in property and crop damage. The strongest thunderstorm gust on record here was 93 mph, on March 25, 2006.
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
Cache County, which includes Lewiston, has been named in 7 federal disaster or emergency declarations since 1977, 4 of them major disasters (by incident: 3 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 Cache County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Low for inland flooding, strong wind and heat waves; Very Low for tornadoes and hail. It models the county's expected loss from all 18 hazards it covers at $38.8 million a year, the 6th highest of 29 Utah counties; of the hazards above, the largest share, $8.8 million (23%), 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 Lewiston
- Richmond, UT4 mi
- Smithfield, UT9 mi
- Hyde Park, UT12 mi
- Preston, ID14 mi
- Logan, UT16 mi
- Mendon, UT18 mi
- Providence, UT19 mi
- Millville, UT20 mi
- Garland, UT21 mi
- Wellsville, UT23 mi
- Hyrum, UT23 mi
- Tremonton, UT27 mi
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