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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Winthrop, 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 Winthrop, Minnesota since records began in 1851. Since 1950, 105 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
0

below hurricane strength

Tornadoes
105

within 25 mi, since 1950

EF3 or stronger
5

5 deaths in all

What the records show for Winthrop

The highest rating among the 105 tornadoes within 25 miles is F4, reached 2 times; the most recent, on March 29, 1998, came within 19 miles. The deadliest, an F3 on August 24, 2006, killed 1 person. Of the 105, 4 had paths within 5 miles of the city centre, and 52 have come since 2000. June has had the most tornadoes, 34. The most recent tornado was on September 4, 2025. Winthrop has more tornadoes within 25 miles than 78% of the 341 Minnesota cities on this site. Hail has been reported within 10 miles 66 times since 1964, with stones up to 4 inches (softball size). Of the 341 Minnesota cities, 66% have more hail reports within 10 miles than Winthrop.

Compare Winthrop's storm record with another city →

Tornadoes within 25 miles of Winthrop

By decade

  • 2020s15
  • 2010s17
  • 2000s20(1 EF3+)
  • 1990s21(2 EF3+)
  • 1980s13
  • 1970s9
  • 1960s7(1 EF3+)
  • 1950s3(1 EF3+)
Strongest tornadoes near Winthrop, Minnesota
DateRatingDistancePathKilled / injured
Mar 29, 1998F419 mi73.5 mi1 / 19
Jun 19, 1951F424 mi52.6 mi1 / 20
Aug 24, 2006F319 mi33 mi1 / 37
Mar 29, 1998F320 mi12 mi1 / 0
May 6, 1965F314 mi15.5 mi0 / 0
May 6, 1965F221 mi11.2 mi1 / 175
Jun 25, 2010EF218 mi4.34 mi0 / 0
Jun 25, 2010EF220 mi0.33 mi0 / 0
Jun 24, 2003F215 mi5.5 mi0 / 5
Jul 27, 1977F224 mi0.1 mi0 / 0
Jun 23, 1952F26 mi104.8 mi0 / 10
May 30, 2022EF120 mi18.49 mi0 / 0

The strongest 12 of 105, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Winthrop

The Storm Prediction Center has 66 hail reports within 10 miles of Winthrop since 1964, made on 48 separate days. Of these, 51 were 1 inch across or larger, and 10 reached 2 inches. The largest, 4 inches (softball size), fell on July 9, 2017. The most recent report is from August 3, 2024. June has the most reports, 19.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Winthrop

The nearest NOAA station with 1991–2020 climate normals is Brownton Wwtp, MN, 14 miles north of Winthrop at 1,040 feet. July is the warmest, with an average high of 81°F and low of 61°F; January is the coolest, at 21°F and 3°F. June is the wettest at 5.2 inches of precipitation on average and January the driest at 0.7 inches; the year adds up to 31.6 inches over 64 days with at least a tenth of an inch. Highs reach 90°F on about 6 days a year, almost all from June to July. Lows fall below freezing on about 164 nights a year. Snowfall averages 50.0 inches a year, most of it in December. That 31.6 inches is more than at 74 of the 124 Minnesota stations used on this site (60%). New Ulm, 16 miles south, has its own station (New Ulm 2 SE, MN): 31.1 inches a year, 0.5 less than here, and a July average high of 82°F against 81°F.

Monthly climate normals 1991–2020 at Brownton Wwtp, MN
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow in
Jan2130.726.9
Feb2670.8311.8
Mar38201.547.6
Apr55343.077.0
May68474.380.1
Jun77585.280.0
Jul81613.560.0
Aug79584.460.0
Sep72493.260.0
Oct58372.650.8
Nov40231.333.6
Dec26111.1412.2
Year533431.66450.0

Averages for 1991–2020 at Brownton Wwtp, MN (1,040 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.

Minnesota weather by month, station by station →

Floods, thunderstorm wind and lightning near Winthrop

Since 1996, the National Weather Service has logged 52 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Winthrop: 46 thunderstorm wind reports, 5 heavy rain events and 1 flash flood. None is recorded as killing or injuring anyone; the NWS estimated $433,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on July 9, 2017.

  • July 9, 2017: thunderstorm wind 7 miles from the centre of Winthrop — $300,000 damage.

    NWS: “A line of severe thunderstorms moved southward across Nicollet County causing damage to a machine shed, and roof damage to a hog barn. A local small wind turbine registered a wind gust of 80 mph.”

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

Sibley County, which includes Winthrop, has been named in 21 federal disaster or emergency declarations since 1965, 17 of them major disasters (by incident: 11 floods, 5 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 Sibley County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for strong wind; Relatively Low for tornadoes and hail; Very Low for inland flooding, lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $13.5 million a year, the 46th highest of 87 Minnesota counties; of the hazards above, the largest share, $6.1 million (46%), 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.

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