Alert archive / South Dakota / Red Flag Warnings in 2026
Red Flag Warning 18, NWS Aberdeen, SD
NWS Aberdeen, SD issued this red flag warning at Jul 12, 2026, 9:47 PM MDT for Corson County, Dewey County, South Dakota. It took effect at Jul 13, 2026, 1:00 PM MDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2026, 9:47 PM MDT (03:47 UTC)
- In effect from
- Jul 13, 2026, 1:00 PM MDT
- Expired
- Jul 13, 2026, 8:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Aberdeen, SD
Counties Corson County, SD, Dewey County, SD
The radar
The Bismarck radar (KBIS), 150 km from the middle of the area, began a volume at 03:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Nearby
Red Flag Warnings in South Dakota, 2026Every red flag warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.