NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Chilton, WI
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 Chilton, Wisconsin since records began in 1851. Since 1950, 110 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 110
- EF3 or stronger
- 5
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
5 deaths in all
What the records show for Chilton
The strongest of the 110 tornadoes within 25 miles was an F5 on July 18, 1996; its path came within 24 miles. The deadliest, an F3 on April 21, 1974, killed 2 people. Of the 110, 3 had paths within 5 miles of the city centre, and 51 have come since 2000. The most recent tornado was on July 19, 2025. Chilton has more tornadoes within 25 miles than 79% of the 416 Wisconsin cities on this site. Hail has been reported within 10 miles 42 times since 1964, with stones up to 4 inches (softball size). Of the 416 Wisconsin cities, 68% have more hail reports within 10 miles than Chilton.
Compare Chilton's storm record with another city →
Tornadoes within 25 miles of Chilton
By decade
- 2020s5
- 2010s22
- 2000s24
- 1990s11(2 EF3+)
- 1980s15(1 EF3+)
- 1970s12(2 EF3+)
- 1960s14
- 1950s7
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 18, 1996 | F5 | 24 mi | 13.3 mi | 0 / 12 |
| Apr 27, 1984 | F4 | 24 mi | 27.5 mi | 1 / 19 |
| Jul 5, 1994 | F4 | 25 mi | 3.5 mi | 0 / 2 |
| Apr 21, 1974 | F4 | 18 mi | 26 mi | 0 / 35 |
| Apr 21, 1974 | F3 | 19 mi | 58.6 mi | 2 / 18 |
| Jul 18, 1996 | F2 | 7 mi | 6.4 mi | 1 / 1 |
| Aug 9, 1979 | F2 | 7 mi | 0.1 mi | 1 / 0 |
| Apr 10, 2011 | EF2 | 17 mi | 1.52 mi | 0 / 0 |
| Jun 2, 1990 | F2 | 22 mi | 1 mi | 0 / 1 |
| Jun 11, 1986 | F2 | 23 mi | 8 mi | 0 / 0 |
| Apr 4, 1981 | F2 | 9 mi | 0.1 mi | 0 / 6 |
| Jun 7, 1980 | F2 | 15 mi | 0.2 mi | 0 / 0 |
The strongest 12 of 110, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Chilton
The Storm Prediction Center has 42 hail reports within 10 miles of Chilton since 1964, made on 31 separate days. Of these, 27 were 1 inch across or larger, and 7 reached 2 inches. The largest, 4 inches (softball size), fell on March 29, 1998. The most recent report is from August 3, 2022. July has the most reports, 12.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Chilton
The nearest NOAA station with 1991–2020 climate normals is Chilton, WI, 2 miles east of Chilton at 840 feet. July is the warmest, with an average high of 82°F and low of 61°F; January is the coolest, at 26°F and 10°F. June is the wettest at 4.7 inches of precipitation on average and February the driest at 1.3 inches; the year adds up to 33.9 inches over 71 days with at least a tenth of an inch. Highs reach 90°F on about 6 days a year, almost all from June to August. Lows fall below freezing on about 155 nights a year. Snowfall averages 43.5 inches a year, most of it in January and February. That 33.9 inches is more than at 62 of the 165 Wisconsin stations used on this site (38%). Hilbert, 7 miles north, has its own station (Brillion, WI): 32.2 inches a year, 1.7 less than here, and the same July average high, 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 26 | 10 | 1.5 | 5 | 11.3 |
| Feb | 29 | 12 | 1.3 | 4 | 11.3 |
| Mar | 41 | 22 | 1.9 | 5 | 5.8 |
| Apr | 54 | 34 | 3.1 | 6 | 2.6 |
| May | 67 | 45 | 3.8 | 7 | 0.1 |
| Jun | 77 | 56 | 4.7 | 8 | 0.0 |
| Jul | 82 | 61 | 3.9 | 7 | 0.0 |
| Aug | 80 | 59 | 3.6 | 7 | 0.0 |
| Sep | 73 | 51 | 3.3 | 6 | 0.0 |
| Oct | 59 | 39 | 3.0 | 6 | 0.6 |
| Nov | 44 | 28 | 2.1 | 5 | 1.9 |
| Dec | 31 | 17 | 1.7 | 5 | 9.9 |
| Year | 55 | 36 | 33.9 | 71 | 43.5 |
Averages for 1991–2020 at Chilton, WI (840 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 Chilton
Since 1996, the National Weather Service has logged 75 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Chilton: 63 thunderstorm wind reports, 5 flash floods, 4 heavy rain events, 2 lightning strikes and 1 flood. They killed 0 people and injured 1, and the NWS estimated $2.2 million in property and crop damage. The strongest thunderstorm gust on record here was 98 mph, on April 13, 2006. July has had the most flash floods, 3 of 5. Of the 374 Wisconsin cities on this site with a flash flood on record, 168 have had fewer than Chilton.
May 3, 2012: flash flood 9 miles from the centre of Chilton — 1 injured, $250,000 damage.
April 13, 2006: thunderstorm wind 5 miles from the centre of Chilton — $1.0 million damage.
April 13, 2006: thunderstorm wind 7 miles from the centre of Chilton — $500,000 damage.
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
Calumet County, which includes Chilton, has been named in 11 federal disaster or emergency declarations since 1976, 8 of them major disasters (by incident: 5 severe storms, 2 biological emergencies, 2 floods, 1 drought). The latest major disaster declaration was Covid-19 Pandemic, on April 4, 2020. FEMA's National Risk Index gives Calumet County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for hail; Relatively Low for tornadoes, strong wind, lightning and heat waves; Very Low for hurricanes and inland flooding. It models the county's expected loss from all 18 hazards it covers at $18.7 million a year, the 46th highest of 72 Wisconsin counties; of the hazards above, the largest share, $7.3 million (39%), 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.