Alert archive / South Dakota / Red Flag Warnings in 2026

Red Flag Warning 7, NWS Aberdeen, SD

April 15, 202622 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this red flag warning at Apr 15, 2026, 1:20 PM CDT for 22 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Apr 16, 2026, 11:00 AM CDT. It was in force for 9 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
Apr 15, 2026, 1:20 PM CDT (18:20 UTC)
In effect from
Apr 16, 2026, 11:00 AM CDT
Expired
Apr 16, 2026, 8:00 PM CDT
In force
9 hr
Issued by
NWS Aberdeen, SD
All 24 counties

Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD

The radar

The Aberdeen radar (KABR), 57 km from the middle of the area, began a volume at 18:22 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.

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 12:02 AM CDTFire Weather WatchABRBrown, Buffalo, Clark, Codington, Day, Deuel and 16 more13 hr
Apr 15, 3:00 AM CDTDense Fog AdvisoryABRCodington, Day, Deuel, Grant, Hamlin, Marshall and 1 more6 hr
Apr 15, 1:20 PM CDTFire Weather WatchABRBig Stone, Traverse8 hr

Nearby

Red Flag Warnings in South Dakota, 2026Red Flag Warnings in Minnesota, 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.