NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Williams, AZ
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 Williams, Arizona since records began in 1851. Since 1950, 10 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 10
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Williams
The strongest of the 10 tornadoes within 25 miles was an EF3 on October 6, 2010; its path came within 24 miles. Of the 10, one had a path within 5 miles of the city centre, and 5 have come since 2000. October has had the most tornadoes, 5. The most recent tornado was on October 3, 2022. Williams has more tornadoes within 25 miles than 52% of the 134 Arizona cities on this site. Hail has been reported within 10 miles 10 times since 1986, with stones up to 1.75 inches (golf ball size). Williams has more hail reports within 10 miles than 48% of the 134 Arizona cities.
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Tornadoes within 25 miles of Williams
By decade
- 2020s1
- 2010s4(1 EF3+)
- 1990s2
- 1980s1
- 1970s1
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Oct 6, 2010 | EF3 | 24 mi | 30.06 mi | 0 / 0 |
| Oct 6, 2010 | EF2 | 23 mi | 18.6 mi | 0 / 0 |
| Oct 6, 2010 | EF2 | 25 mi | 26 mi | 0 / 7 |
| Oct 3, 2022 | EF1 | 2 mi | 0.7 mi | 0 / 0 |
| Oct 6, 2010 | EF1 | 24 mi | 0.7 mi | 0 / 0 |
| May 1, 1980 | F1 | 11 mi | 26.5 mi | 0 / 0 |
| Apr 23, 1997 | F0 | 15 mi | 0.1 mi | 0 / 0 |
| Jul 11, 1995 | F0 | 24 mi | 0.1 mi | 0 / 0 |
| Jul 19, 1977 | F0 | 19 mi | 0.5 mi | 0 / 0 |
| Aug 8, 1967 | F0 | 15 mi | 0.1 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 Williams
The Storm Prediction Center has 10 hail reports within 10 miles of Williams since 1986, made on 9 separate days. Of these, 9 were 1 inch across or larger, and none reached 2 inches. The largest, 1.75 inches (golf ball size), fell on August 11, 2018. The most recent report is from July 12, 2024. August has the most reports, 6.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Williams
The nearest NOAA station with 1991–2020 climate normals is Williams, AZ, 10 miles south of Williams at 6,909 feet. July is the warmest, with an average high of 84°F and low of 54°F; December is the coolest, at 47°F and 21°F. August is the wettest at 3.4 inches of precipitation on average and June the driest at 0.4 inches; the year adds up to 21.7 inches over 47 days with at least a tenth of an inch. Highs reach 90°F on about 8 days a year, almost all from June to August. Lows fall below freezing on about 150 nights a year. Snowfall averages 65.1 inches a year, most of it in January. That 21.7 inches is more than at 73 of the 76 Arizona stations used on this site (96%). Ash Fork, 23 miles southwest, has its own station (Seligman, AZ): 12.0 inches a year, 9.7 less than here, and a July average high of 93°F against 84°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 47 | 21 | 2.2 | 5 | 16.8 |
| Feb | 49 | 23 | 2.6 | 5 | 12.4 |
| Mar | 56 | 27 | 2.0 | 4 | 11.1 |
| Apr | 62 | 31 | 0.9 | 3 | 5.7 |
| May | 71 | 39 | 0.8 | 2 | 0.1 |
| Jun | 82 | 48 | 0.4 | 1 | 0.0 |
| Jul | 84 | 54 | 3.0 | 7 | 0.0 |
| Aug | 82 | 52 | 3.4 | 8 | 0.0 |
| Sep | 76 | 47 | 1.6 | 4 | 0.0 |
| Oct | 67 | 36 | 1.6 | 3 | 0.7 |
| Nov | 56 | 28 | 1.3 | 3 | 4.8 |
| Dec | 47 | 21 | 1.9 | 4 | 13.5 |
| Year | 65 | 36 | 21.7 | 47 | 65.1 |
Averages for 1991–2020 at Williams, AZ (6,909 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 Williams
Since 1996, the National Weather Service has logged 10 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Williams: 5 heavy rain events, 3 flash floods, 1 flood and 1 thunderstorm wind report. The strongest thunderstorm gust on record here was 83 mph, on June 24, 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
Coconino County, which includes Williams, has been named in 24 federal disaster or emergency declarations since 1970, 10 of them major disasters (by incident: 11 fires, 5 floods, 4 severe storms, 2 biological emergencies). The latest major disaster declaration was Severe Storms and Flooding, on September 13, 2021. FEMA's National Risk Index gives Coconino County a Relatively Moderate rating for natural hazard risk overall; by hazard: Very High for lightning; Relatively High for inland flooding; Relatively Low for hail and heat waves; Very Low for tornadoes and strong wind. It models the county's expected loss from all 18 hazards it covers at $130.9 million a year, the 4th highest of 15 Arizona counties; of the hazards above, the largest share, $85.7 million (65%), 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 Williams
- Ash Fork, AZ23 mi
- Grand Canyon, AZ35 mi
- Paulden, AZ35 mi
- Flagstaff, AZ36 mi
- Clarkdale, AZ43 mi
- Chino Valley, AZ44 mi
- Sedona, AZ45 mi
- Cottonwood, AZ47 mi
- Cornville, AZ49 mi
- Prescott Valley, AZ52 mi
- Prescott, AZ56 mi
- Rimrock, AZ57 mi
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