Weather Alerts Map

Hanson County weather alerts

There are no active weather alerts for Hanson County, SD right now.

Since 2016 the National Weather Service has issued about 906 alerts that included Hanson County, roughly 91 a year. The most common is the severe thunderstorm warning (156 from 2016 to 2025). The last tornado warning was issued on May 12, 2022. 21 tornadoes have touched down in the county since 1950.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

No warnings, watches or advisories include Hanson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Miner County, Hutchinson County, Davison County, Sanborn County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Hanson County alert history

Alert events that included Hanson County or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Severe Thunderstorm Warning15623September 8, 2026
Wind Advisory1073June 17, 2026
Winter Weather Advisory915March 16, 2026
Severe Thunderstorm Watch887September 8, 2026
Dense Fog Advisory757September 30, 2026
Heat Advisory575July 25, 2026
Red Flag Warning5010May 14, 2026
Cold Weather Advisory492January 26, 2026
Winter Storm Watch321March 15, 2026
Fire Weather Watch265April 22, 2026
Flood Warning240June 24, 2024
Winter Storm Warning180March 24, 2024
Frost Advisory164May 20, 2026
High Wind Warning153June 10, 2026
Freeze Warning133October 17, 2026
Flood Watch120June 21, 2024
Extreme Cold Warning111January 23, 2026
Blizzard Warning111March 15, 2026
Flash Flood Warning102September 5, 2026
Extreme Heat Warning81July 25, 2026
High Wind Watch81March 13, 2026
Tornado Watch83June 10, 2026
Extreme Heat Watch70July 27, 2025
Tornado Warning60May 12, 2022
Freeze Watch41October 17, 2026
Extreme Cold Watch41January 23, 2026

Tornado history in Hanson County

21 tornadoes have been recorded in Hanson County since 1950, killing 6 people and injuring 152. That ranks 50 of 66 counties in South Dakota. The most recent was on August 3, 2010 (rated EF0).

EF0: 7EF07EF1: 8EF18EF2: 4EF24EF3: 1EF31EF4: 1EF41EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Hanson County

DateRatingCountyPath lengthWidthDeathsInjuries
May 30, 1998F4Hanson County14 mi1,150 yd6150
June 20, 1968F3Davison County9.9 mi2,667 yd00
August 8, 1969F2Davison County34.3 mi10 yd01
May 5, 2007EF2McCook County10.5 mi400 yd00
May 30, 1998F2Hanson County6 mi200 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
August 3, 2010EF0Hanson County0.9 mi50 yd00
June 24, 2009EF0Hanson County0.2 mi50 yd00
June 24, 2009EF0Hanson County0.1 mi50 yd00
May 5, 2007EF2McCook County10.5 mi400 yd00
May 5, 2007EF1Hanson County0.5 mi100 yd00

South Dakota tornado history and map →

About Hanson County

Neighboring counties