South Dakota Severe Flood Warning | Effective 07/04/2026 17:03

Headline: 
Flood Warning issued July 4 at 7:03PM CDT until July 5 at 1:00AM CDT by NWS Aberdeen SD
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 4, 2026 - 5:03pm
Expires: 
July 4, 2026 - 11:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...East Central Lyman County in central South Dakota... * WHEN...Until 100 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 702 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are possible in the warned area. - Some locations that will experience flooding include... Oacoma. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Lyman, SD
Forcast Office: 
NWS Aberdeen SD