South Dakota Severe Flood Warning | Effective 07/30/2026 19:59

Headline: 
Flood Warning issued July 30 at 9:59PM CDT until July 31 at 10:00AM CDT by NWS Aberdeen SD
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 30, 2026 - 7:59pm
Expires: 
July 31, 2026 - 8:00am
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...East Central Lyman County in central South Dakota... * WHEN...Until 1000 AM CDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 958 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 3 and 4 inches of rain have fallen. - Some locations that will experience flooding include... Oacoma, Dude Ranch and Lake Francis Case. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Lyman, SD
Forcast Office: 
NWS Aberdeen SD
Sender: 
w-nws.webmaster@noaa.gov