Active Weather Alerts
Flood Watch
Issued: 8:30 PM Aug. 21, 2025 – National Weather Service
...FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of northeast South Dakota, including the following counties, Clark, Codington, Deuel, Grant, Hamlin and Spink. * WHEN...From 7 PM CDT this evening through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of storms are possible this afternoon, evening and through the overnight. Most of this area soils are already saturated. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
River Flood Warning
Issued: 2:58 PM Aug. 21, 2025 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring. * WHERE...Big Sioux River near Estelline. * WHEN...Until further notice. * IMPACTS...At 1645.5 feet, widespread flooding of agricultural lands begins. * ADDITIONAL DETAILS... - At 9:00 AM CDT Thursday the stage was 1644.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Thursday was 1645.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 1644.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Big Sioux River Estelline 1644.0 1644.9 Thu 9 am MSG MSG MSG &&
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