NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Denmark, 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 Denmark, Wisconsin since records began in 1851. Since 1950, 61 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 61
- 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 Denmark
The strongest of the 61 tornadoes within 25 miles was an F4 on July 5, 1994; its path came within 3 miles. Of the 61, 6 had paths within 5 miles of the city centre, and 22 have come since 2000. July and August have had the most tornadoes, 14 each. The most recent tornado was on July 19, 2025. Of the 416 Wisconsin cities on this site, 64% have more tornadoes within 25 miles than Denmark. Hail has been reported within 10 miles 26 times since 1962, with stones up to 2 inches (hen egg size). Of the 416 Wisconsin cities, 90% have more hail reports within 10 miles than Denmark.
Compare Denmark's storm record with another city →
Tornadoes within 25 miles of Denmark
By decade
- 2020s2
- 2010s13
- 2000s7
- 1990s6(1 EF3+)
- 1980s5
- 1970s16
- 1960s6
- 1950s6
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 5, 1994 | F4 | 3 mi | 3.5 mi | 0 / 2 |
| Apr 10, 2011 | EF2 | 24 mi | 1.52 mi | 0 / 0 |
| Jul 5, 1994 | F2 | 4 mi | 1 mi | 0 / 0 |
| Jun 7, 1980 | F2 | 20 mi | 0.2 mi | 0 / 0 |
| Apr 22, 1970 | F2 | 24 mi | 9.5 mi | 0 / 1 |
| Apr 22, 1970 | F2 | 18 mi | 11.2 mi | 0 / 2 |
| Apr 22, 1970 | F2 | 13 mi | 7.2 mi | 0 / 1 |
| Apr 22, 1970 | F2 | 15 mi | 3.6 mi | 0 / 2 |
| Aug 16, 1968 | F2 | 24 mi | 2 mi | 0 / 0 |
| May 8, 1964 | F2 | 19 mi | 30.6 mi | 0 / 5 |
| May 10, 1959 | F2 | 14 mi | 4.3 mi | 0 / 3 |
| May 21, 2024 | EF1 | 23 mi | 2.69 mi | 0 / 0 |
The strongest 12 of 61, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Denmark
The Storm Prediction Center has 26 hail reports within 10 miles of Denmark since 1962, made on 18 separate days. Of these, 15 were 1 inch across or larger, and one reached 2 inches. The largest, 2 inches (hen egg size), fell on July 30, 2012. The most recent report is from May 20, 2022. September has the most reports, 6.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Denmark
The nearest NOAA station with 1991–2020 climate normals is Denmark Wwtp, WI, in Denmark at 811 feet. July is the warmest, with an average high of 80°F and low of 59°F; January is the coolest, at 25°F and 10°F. June is the wettest at 3.9 inches of precipitation on average and February the driest at 1.0 inches; the year adds up to 30.0 inches over 71 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 155 nights a year. Snowfall averages 52.5 inches a year, most of it in December. That 30.0 inches is more than at 6 of the 165 Wisconsin stations used on this site (4%). Mishicot, 10 miles southeast, has its own station (Two Rivers, WI): 32.0 inches a year, 2.0 more than here, and a July average high of 76°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 25 | 10 | 1.3 | 5 | 12.1 |
| Feb | 28 | 12 | 1.0 | 4 | 12.3 |
| Mar | 39 | 22 | 1.5 | 5 | 6.5 |
| Apr | 52 | 33 | 3.0 | 7 | 4.3 |
| May | 66 | 44 | 3.2 | 7 | 0.0 |
| Jun | 75 | 54 | 3.9 | 8 | 0.0 |
| Jul | 80 | 59 | 3.2 | 7 | 0.0 |
| Aug | 78 | 58 | 3.5 | 6 | 0.0 |
| Sep | 71 | 51 | 3.0 | 7 | 0.0 |
| Oct | 57 | 39 | 2.7 | 7 | 0.5 |
| Nov | 43 | 28 | 2.1 | 4 | 1.5 |
| Dec | 31 | 17 | 1.6 | 6 | 15.3 |
| Year | 54 | 36 | 30.0 | 71 | 52.5 |
Averages for 1991–2020 at Denmark Wwtp, WI (811 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 Denmark
Since 1996, the National Weather Service has logged 37 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Denmark: 36 thunderstorm wind reports and 1 flash flood. None is recorded as killing or injuring anyone; the NWS estimated $42,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on August 3, 2022.
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
Brown County, which includes Denmark, has been named in 9 federal disaster or emergency declarations since 1973, 6 of them major disasters (by incident: 3 severe storms, 2 biological emergencies, 2 floods, 1 drought). The latest major disaster declaration was Severe Storms, Tornadoes, and Flooding, on June 30, 2026. FEMA's National Risk Index gives Brown County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes, hail and lightning; Relatively Moderate for inland flooding; Relatively Low for coastal flooding, strong wind and heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $103.7 million a year, the 4th highest of 72 Wisconsin counties; of the hazards above, the largest share, $57.4 million (55%), 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 Denmark
- Mishicot, WI10 mi
- Whitelaw, WI12 mi
- Greenleaf, WI13 mi
- New Franken, WI14 mi
- Kewaunee, WI14 mi
- Luxemburg, WI14 mi
- De Pere, WI15 mi
- Green Bay, WI15 mi
- Reedsville, WI16 mi
- Two Rivers, WI16 mi
- Casco, WI18 mi
- Wrightstown, WI18 mi
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