Walworth County, South Dakota FirstAlerts

Everything reported for Walworth County and within 40 miles of it, at every level. Warnings and official records name the county they apply to, which is the level most of them are issued at.

• Severe WeatherSep 8, 2026, 10:42 a.m. ETSouth Dakota, United States

  Red Flag Warning Extended Through 7 PM CDT in Six South Dakota Counties

  The National Weather Service has extended the Red Flag Warning for six South Dakota counties through 7 p.m. CDT Tuesday.

• Severe WeatherSep 7, 2026, 12:23 a.m. ETSouth Dakota, United States

  Red Flag Warning for Fall River County Area, Northern Campbell, Southern Campbell, Crook County Plains, and Weston County Plains Until 7 PM MDT Monday

  The National Weather Service has issued a Red Flag Warning for five zones in western South Dakota and northeastern Wyoming, in effect from 11 AM to 7 PM MDT Monday, September 7, 2026.

• Severe WeatherSep 2, 2026, 2:53 p.m. ETSouth Dakota, United States

  Red Flag Warning in Effect Until 8 PM MDT Thursday for Campbell County and Weston County Plains

  The National Weather Service has issued a Red Flag Warning for Northern Campbell, Southern Campbell, and Weston County Plains, in effect from noon to 8 PM MDT Thursday.