NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Caledonia, 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
1 tropical system has passed within 75 miles of Caledonia, Wisconsin since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1900. Since 1950, 72 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 1
- Tornadoes
- 72
- EF3 or stronger
- 4
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
1 deaths in all
What the records show for Caledonia
None of the 1 tropical systems was at hurricane strength as it passed Caledonia; the strongest was an unnamed storm in 1900, a tropical storm with 59 mph winds when its centre passed 7 miles away. Caledonia is tied for the most tropical storms and hurricanes within 75 miles among the 416 Wisconsin cities on this site. The strongest of the 72 tornadoes within 25 miles was an F4 on April 27, 1984; its path came within 22 miles, and it killed 1 person. Of the 72, 6 had paths within 5 miles of the city centre, and 26 have come since 2000. July has had the most tornadoes, 17. The most recent tornado was on June 22, 2024. Of the 416 Wisconsin cities, 52% have more tornadoes within 25 miles than Caledonia. Hail has been reported within 10 miles 104 times since 1961, with stones up to 3 inches (tea cup size). Caledonia has more hail reports within 10 miles than 81% of the 416 Wisconsin cities.
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Tropical storms and hurricanes near Caledonia
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1900 | Unnamed 1900 stormSep 11 | 7 mi | Tropical storm (59 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Caledonia: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Caledonia
By decade
- 2020s6
- 2010s11
- 2000s9(1 EF3+)
- 1990s2
- 1980s14(1 EF3+)
- 1970s13(1 EF3+)
- 1960s11(1 EF3+)
- 1950s6
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 27, 1984 | F4 | 22 mi | 6.5 mi | 1 / 14 |
| Jan 7, 2008 | EF3 | 18 mi | 10.78 mi | 0 / 15 |
| Jun 5, 1977 | F3 | 10 mi | 69.5 mi | 0 / 8 |
| Jul 19, 1963 | F3 | 23 mi | 10.6 mi | 0 / 0 |
| Jul 22, 2010 | EF2 | 12 mi | 1 mi | 0 / 0 |
| Jun 21, 2010 | EF2 | 23 mi | 5.22 mi | 0 / 15 |
| Aug 4, 1980 | F2 | 24 mi | 0.1 mi | 0 / 0 |
| Apr 2, 1977 | F2 | 17 mi | 9.3 mi | 0 / 2 |
| Aug 25, 1975 | F2 | 11 mi | 0.2 mi | 0 / 0 |
| Sep 28, 1972 | F2 | 11 mi | 1 mi | 0 / 0 |
| Sep 28, 1972 | F2 | 24 mi | 1.5 mi | 0 / 0 |
| Jun 29, 1969 | F2 | 5 mi | 13.1 mi | 0 / 0 |
The strongest 12 of 72, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Caledonia
The Storm Prediction Center has 104 hail reports within 10 miles of Caledonia since 1961, made on 52 separate days. Of these, 61 were 1 inch across or larger, and 3 reached 2 inches. The largest size, 3 inches (tea cup size), was reported on 2 days, most recently August 2, 2015. The most recent report is from September 22, 2025. May has the most reports, 33.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Caledonia
The nearest NOAA station with 1991–2020 climate normals is South Milwaukee Wwtp, WI, 7 miles northeast of Caledonia at 650 feet. July is the warmest, with an average high of 80°F and low of 65°F; January is the coolest, at 30°F and 16°F. June is the wettest at 4.6 inches of precipitation on average and January the driest at 1.7 inches; the year adds up to 36.6 inches over 72 days with at least a tenth of an inch. Highs reach 90°F on about 7 days a year, almost all from June to August. Lows fall below freezing on about 124 nights a year. That 36.6 inches is more than at 125 of the 165 Wisconsin stations used on this site (76%). Franksville, 3 miles south, has its own station (Union Grove, WI): 35.2 inches a year, 1.4 less than here, and a July average high of 81°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 30 | 16 | 1.7 | 4 |
| Feb | 33 | 18 | 1.8 | 5 |
| Mar | 42 | 28 | 2.2 | 5 |
| Apr | 53 | 37 | 4.1 | 8 |
| May | 64 | 47 | 4.2 | 8 |
| Jun | 75 | 57 | 4.6 | 8 |
| Jul | 80 | 65 | 3.5 | 5 |
| Aug | 79 | 64 | 3.8 | 6 |
| Sep | 73 | 56 | 3.3 | 7 |
| Oct | 61 | 44 | 3.4 | 7 |
| Nov | 48 | 33 | 2.1 | 5 |
| Dec | 36 | 22 | 1.9 | 5 |
| Year | 56 | 41 | 36.6 | 72 |
Averages for 1991–2020 at South Milwaukee Wwtp, WI (650 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 Caledonia
Since 1996, the National Weather Service has logged 118 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Caledonia: 91 thunderstorm wind reports, 13 floods, 8 flash floods, 4 lightning strikes and 2 heavy rain events. They killed 2 people and injured 2, and the NWS estimated $63.2 million in property and crop damage. The strongest thunderstorm gust on record here was 85 mph, on August 21, 2002. August has had the most flash floods, 3 of 8. Of the 374 Wisconsin cities on this site with a flash flood on record, 239 have had fewer than Caledonia.
August 9, 2025: flash flood 6 miles from the centre of Caledonia — 1 killed, $60.0 million damage.
September 26, 2011: flood 6 miles from the centre of Caledonia — 1 killed, $7,000 damage.
June 8, 2011: thunderstorm wind 6 miles from the centre of Caledonia — 2 injured.
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
Racine County, which includes Caledonia, has been named in 17 federal disaster or emergency declarations since 1969, 12 of them major disasters (by incident: 6 severe storms, 4 floods, 4 snowstorms, 2 biological emergencies). The latest major disaster declaration was Severe Storms, Tornadoes, and Flooding, on June 30, 2026. FEMA's National Risk Index gives Racine County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes, strong wind and lightning; Relatively Moderate for hail, inland flooding and heat waves; Very Low for hurricanes and coastal flooding. It models the county's expected loss from all 18 hazards it covers at $63.8 million a year, the 8th highest of 72 Wisconsin counties; of the hazards above, the largest share, $30.4 million (48%), 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 Caledonia
- Franksville, WI3 mi
- Oak Creek, WI5 mi
- Franklin, WI6 mi
- South Milwaukee, WI7 mi
- Mount Pleasant, WI8 mi
- Greendale, WI8 mi
- Racine, WI9 mi
- Cudahy, WI9 mi
- Hales Corners, WI10 mi
- Union Grove, WI10 mi
- Greenfield, WI10 mi
- Muskego, WI11 mi
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