NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Hammond, 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 Hammond, Wisconsin since records began in 1851. Since 1950, 83 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 83
- EF3 or stronger
- 4
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
28 deaths in all
What the records show for Hammond
The strongest of the 83 tornadoes within 25 miles was an F5 on June 4, 1958; its path came within 7 miles, and it killed 21 people. Of the 83, 10 had paths within 5 miles of the city centre, and 45 have come since 2000. July has had the most tornadoes, 26. The most recent tornado was on May 15, 2025. Hammond has more tornadoes within 25 miles than 57% of the 416 Wisconsin cities on this site. Hail has been reported within 10 miles 62 times since 1965, with stones up to 3 inches (tea cup size). Hammond has more hail reports within 10 miles than 58% of the 416 Wisconsin cities.
Compare Hammond's storm record with another city →
Tornadoes within 25 miles of Hammond
By decade
- 2020s9
- 2010s14(1 EF3+)
- 2000s22
- 1990s7
- 1980s8
- 1970s7(1 EF3+)
- 1960s7
- 1950s9(2 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 4, 1958 | F5 | 7 mi | 33.7 mi | 21 / 74 |
| May 16, 2017 | EF3 | 25 mi | 82.53 mi | 1 / 25 |
| Jul 30, 1977 | F3 | 18 mi | 9.1 mi | 0 / 0 |
| May 24, 1958 | F3 | 5 mi | 59.4 mi | 0 / 12 |
| May 10, 1953 | F2 | 6 mi | 105.7 mi | 4 / 27 |
| Jul 15, 1980 | F2 | 16 mi | 0.1 mi | 1 / 12 |
| Jul 18, 1971 | F2 | 13 mi | 38.5 mi | 1 / 2 |
| May 15, 2025 | EF2 | 5 mi | 3.94 mi | 0 / 0 |
| Jul 14, 2010 | EF2 | 13 mi | 6.1 mi | 0 / 0 |
| Jul 14, 2010 | EF2 | 11 mi | 15.2 mi | 0 / 0 |
| Jun 15, 1997 | F2 | 24 mi | 1 mi | 0 / 0 |
| Apr 26, 1994 | F2 | 23 mi | 5 mi | 0 / 1 |
The strongest 12 of 83, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Hammond
The Storm Prediction Center has 62 hail reports within 10 miles of Hammond since 1965, made on 47 separate days. Of these, 40 were 1 inch across or larger, and 3 reached 2 inches. The largest, 3 inches (tea cup size), fell on July 11, 1980. The most recent report is from June 30, 2025. June has the most reports, 18.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Hammond
The nearest NOAA station with 1991–2020 climate normals is Baldwin, WI, 3 miles east of Hammond at 1,100 feet. July is the warmest, with an average high of 79°F and low of 59°F; January is the coolest, at 20°F and 2°F. June is the wettest at 5.2 inches of precipitation on average and January and February the driest at 0.8 inches; the year adds up to 33.0 inches over 65 days with at least a tenth of an inch. Highs reach 90°F on about 4 days a year, almost all from July. Lows fall below freezing on about 169 nights a year. Snowfall averages 43.4 inches a year, most of it in January and December. That 33.0 inches is more than at 40 of the 165 Wisconsin stations used on this site (24%). River Falls, 11 miles southwest, has its own station (River Falls, WI): 34.3 inches a year, 1.3 more than here, and a July average high of 82°F against 79°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 20 | 2 | 0.8 | 3 | 9.4 |
| Feb | 26 | 5 | 0.8 | 2 | 8.0 |
| Mar | 37 | 19 | 1.5 | 4 | 8.3 |
| Apr | 54 | 33 | 2.8 | 6 | 3.3 |
| May | 66 | 45 | 4.0 | 8 | 0.5 |
| Jun | 76 | 56 | 5.2 | 9 | 0.0 |
| Jul | 79 | 59 | 4.1 | 7 | 0.0 |
| Aug | 77 | 57 | 4.9 | 6 | 0.0 |
| Sep | 71 | 49 | 3.4 | 6 | 0.0 |
| Oct | 56 | 36 | 2.8 | 6 | 0.4 |
| Nov | 40 | 23 | 1.6 | 4 | 4.1 |
| Dec | 27 | 10 | 1.1 | 4 | 9.4 |
| Year | 52 | 33 | 33.0 | 65 | 43.4 |
Averages for 1991–2020 at Baldwin, WI (1,100 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 Hammond
Since 1996, the National Weather Service has logged 42 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Hammond: 31 thunderstorm wind reports, 8 flash floods, 2 lightning strikes and 1 heavy rain event. They killed 0 people and injured 2, and the NWS estimated $3.3 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on May 19, 1996. June has had the most flash floods, 4 of 8. Of the 374 Wisconsin cities on this site with a flash flood on record, 239 have had fewer than Hammond.
July 14, 2010: thunderstorm wind 4 miles from the centre of Hammond — 2 injured.
May 19, 1996: thunderstorm wind 6 miles from the centre of Hammond — $3.0 million damage.
June 21, 2013: flash flood 3 miles from the centre of Hammond — $125,000 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
St. Croix County, which includes Hammond, has been named in 11 federal disaster or emergency declarations since 1965, 8 of them major disasters (by incident: 3 severe storms, 2 biological emergencies, 2 floods, 2 tornadoes). The latest major disaster declaration was Covid-19 Pandemic, on April 4, 2020. FEMA's National Risk Index gives St. Croix County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for strong wind; Relatively Moderate for tornadoes, hail and lightning; Relatively Low for inland flooding and heat waves. It models the county's expected loss from all 18 hazards it covers at $36.0 million a year, the 21st highest of 72 Wisconsin counties; of the hazards above, the largest share, $15.7 million (44%), 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.