Flood Warning Issued for Edmunds and Walworth Counties in South Dakota
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NWS Aberdeen SD has issued a Flood Warning for southwestern Edmunds County and southeastern Walworth County until 9:30 PM CDT on August 29, 2026, due to excessive rainfall from thunderstorms.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- North Central South Dakota
- Issued
- August 29, 2026
- Issuing authority
- NWS Aberdeen SD
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Flood Warning has been issued by the National Weather Service Aberdeen SD. The alert is effective from 6:27 PM CDT on August 29, 2026, until 9:30 PM CDT on August 29, 2026.
Affected Areas
The warning covers southwestern Edmunds County and southeastern Walworth County in north central South Dakota. Impacts are expected mainly in rural areas of these counties.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Flooding caused by excessive rainfall is expected. At 6:23 PM CDT, Doppler radar indicated heavy rain due to thunderstorms, with radar estimates between a half inch to 3 inches having fallen. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring.
Timeline
The Flood Warning is in effect until 9:30 PM CDT on August 29, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Similar body length
Nearest notices by article body length (908 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 29, 2026.
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