Lyman County, South Dakota FirstAlerts

Everything reported for Lyman 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 11, 2026, 5:24 a.m. ETSouth Dakota, United States

  Red Flag Warning to Begin at 10 a.m. for Jones, Lyman and Buffalo Areas

  The National Weather Service Aberdeen SD has issued a Red Flag Warning for three South Dakota areas, set to run from 10 a.m. to 7 p.m. local time on September 11, 2026.

• Disaster DeclarationsSep 3, 2026, 1:08 p.m. ETHughes County, South Dakota, United States

  Hughes County, South Dakota, Gets Major Disaster Declaration for Severe Storms and Flooding

  Federal disaster declaration covers damage from June 28 to July 3, but no individual assistance for households.

• Disaster DeclarationsSep 3, 2026, 11:37 a.m. ETBuffalo County, South Dakota, United States

  Buffalo County, South Dakota, Declared Major Disaster for Severe Storms and Flooding

  Federal disaster declaration covers public infrastructure repairs, but no individual household assistance is available.