NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Chanhassen, MN
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 Chanhassen, Minnesota since records began in 1851. Since 1950, 109 tornadoes have touched down within 25 miles, 9 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 109
- EF3 or stronger
- 9
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
24 deaths in all
What the records show for Chanhassen
The highest rating among the 109 tornadoes within 25 miles is F4, reached 5 times; the most recent, on May 6, 1965, came within 10 miles. The deadliest, an F4 on May 6, 1965, killed 6 people. Of the 109, 7 had paths within 5 miles of the city centre, and 57 have come since 2000. May and June have had the most tornadoes, 28 each. The most recent tornado was on June 28, 2025. Chanhassen has more tornadoes within 25 miles than 84% of the 341 Minnesota cities on this site. Hail has been reported within 10 miles 249 times since 1962, with stones up to 3 inches (tea cup size). Chanhassen has more hail reports within 10 miles than 88% of the 341 Minnesota cities.
Compare Chanhassen's storm record with another city →
Tornadoes within 25 miles of Chanhassen
By decade
- 2020s20
- 2010s19
- 2000s18
- 1990s15
- 1980s14(3 EF3+)
- 1970s6
- 1960s13(4 EF3+)
- 1950s4(2 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 6, 1965 | F4 | 11 mi | 17.3 mi | 6 / 158 |
| May 6, 1965 | F4 | 17 mi | 6.8 mi | 3 / 175 |
| May 6, 1965 | F4 | 10 mi | 12.3 mi | 3 / 175 |
| Jun 19, 1951 | F4 | 18 mi | 52.6 mi | 1 / 20 |
| May 6, 1965 | F4 | in town | 6.9 mi | 0 / 0 |
| Jul 20, 1951 | F3 | 5 mi | 11.6 mi | 5 / 40 |
| Apr 26, 1984 | F3 | 19 mi | 5.5 mi | 1 / 52 |
| Jun 14, 1981 | F3 | 14 mi | 16.2 mi | 1 / 83 |
| Jul 23, 1987 | F3 | 20 mi | 5 mi | 0 / 0 |
| Sep 16, 2006 | F2 | 23 mi | 8 mi | 1 / 0 |
| May 6, 1965 | F2 | 16 mi | 11.2 mi | 1 / 175 |
| Sep 21, 2005 | F2 | 24 mi | 2 mi | 0 / 1 |
The strongest 12 of 109, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Chanhassen
The Storm Prediction Center has 249 hail reports within 10 miles of Chanhassen since 1962, made on 103 separate days. Of these, 143 were 1 inch across or larger, and 23 reached 2 inches. The largest size, 3 inches (tea cup size), was reported on 2 days, most recently June 5, 1999. The most recent report is from September 21, 2025. May and June have the most reports, 61 each.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Chanhassen
The nearest NOAA station with 1991–2020 climate normals is Chanhassen Wsfo, MN, 2 miles southwest of Chanhassen at 946 feet. July is the warmest, with an average high of 81°F and low of 62°F; January is the coolest, at 22°F and 6°F. August is the wettest at 4.8 inches of precipitation on average and January and February the driest at 0.9 inches; the year adds up to 33.0 inches over 59 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 156 nights a year. Snowfall averages 54.7 inches a year, most of it in December. That 33.0 inches is more than at 89 of the 124 Minnesota stations used on this site (72%). Eden Prairie, 4 miles east, has its own station (Mpls Flying Cloud Airport, MN): 30.8 inches a year, 2.2 less than here, and a July average high of 84°F against 81°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 22 | 6 | 0.9 | 3 | 10.0 |
| Feb | 27 | 9 | 0.9 | 3 | 11.2 |
| Mar | 40 | 22 | 1.6 | 4 | 9.1 |
| Apr | 55 | 35 | 3.2 | 6 | 5.4 |
| May | 68 | 47 | 4.4 | 8 | 0.0 |
| Jun | 77 | 58 | 4.4 | 7 | 0.0 |
| Jul | 81 | 62 | 3.9 | 6 | 0.0 |
| Aug | 79 | 60 | 4.8 | 6 | 0.0 |
| Sep | 71 | 51 | 3.3 | 5 | 0.0 |
| Oct | 57 | 38 | 2.7 | 5 | 0.6 |
| Nov | 41 | 25 | 1.7 | 3 | 5.1 |
| Dec | 27 | 12 | 1.2 | 3 | 13.3 |
| Year | 54 | 35 | 33.0 | 59 | 54.7 |
Averages for 1991–2020 at Chanhassen Wsfo, MN (946 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 Chanhassen
Since 1996, the National Weather Service has logged 258 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Chanhassen: 188 thunderstorm wind reports, 36 heavy rain events, 25 flash floods, 5 floods and 4 lightning strikes. They killed 0 people and injured 2, and the NWS estimated $27.4 million in property and crop damage. The strongest thunderstorm gust on record here was 83 mph, on July 17, 1997. Of the 312 Minnesota cities on this site with a flash flood on record, 287 have had fewer than Chanhassen.
May 30, 1998: thunderstorm wind 7 miles from the centre of Chanhassen — 2 injured, $9.2 million damage.
June 18, 2014: flood 2 miles from the centre of Chanhassen — $9.2 million damage.
NWS: “Several sources in Carver County compiled a summary of flood related damages and locations for the flood of June 2014. More than 30 local and county roads were closed due to flooding, including the communities of Chaska, Mayer, Hollywood, Camden, Dahlgren, Young America, Laketown and Watertown.”
May 15, 1998: thunderstorm wind 5 miles from the centre of Chanhassen — $5.0 million 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
Carver County, which includes Chanhassen, has been named in 17 federal disaster or emergency declarations since 1965, 13 of them major disasters (by incident: 9 floods, 3 severe storms, 2 biological emergencies, 1 drought). The latest major disaster declaration was Severe Storms and Flooding, on June 28, 2024. FEMA's National Risk Index gives Carver County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for strong wind; Relatively Moderate for tornadoes and hail; Relatively Low for inland flooding, lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $41.4 million a year, the 12th highest of 87 Minnesota counties; of the hazards above, the largest share, $18.0 million (43%), 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.