Alert archive / South Dakota / Red Flag Warnings in 2026

Red Flag Warning 12, NWS Aberdeen, SD

May 10, 20264 counties in South Dakota

NWS Aberdeen, SD issued this red flag warning at May 10, 2026, 12:56 PM CDT for 4 counties in South Dakota. It took effect at May 11, 2026, 1:00 PM CDT. It was in force for 8 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: May 10, 2026, 12:56 PM CDT (17:56 UTC)
In effect from: May 11, 2026, 1:00 PM CDT
Expired: May 11, 2026, 9:00 PM CDT
In force: 8 hr
Issued by: NWS Aberdeen, SD

Counties Hughes County, SD, Jones County, SD, Lyman County, SD, Stanley County, SD

The radar

The Rapid City radar (KUDX), 201 km from the middle of the area, began a volume at 17:57 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.

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before this red flag warning went out at May 10, 12:21 PM CDT, 35 minutes earlier.

Area forecast discussion, May 10, 12:21 PM CDT, 35 minutes before

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Hazardous weather outlook, May 10, 3:19 AM CDT, 9 hours 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 1:21 AM CDT	Fire Weather Watch	ABR	Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more	24 hr
May 10, 3:12 AM CDT	Frost Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more	29 hr

Nearby

Red Flag Warnings in South Dakota, 2026 Every 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.