Red Flag Warning 21, NWS Aberdeen, SD

Issued

Sep 8, 2026, 9:23 AM CDT (14:23 UTC)

In effect from

Sep 8, 2026, 12:00 PM CDT

Expired

Sep 8, 2026, 7:00 PM CDT

In force

7 hr

Issued by

NWS Aberdeen, SD

Counties Campbell County, SD, Corson County, SD, Dewey County, SD, Potter County, SD, Sully County, SD, Walworth County, SD

The Aberdeen radar (KABR), 154 km from the middle of the area, began a volume at 14:23 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.

896 
WWUS83 KABR 081423
RFWABR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
923 AM CDT Tue Sep 8 2026

...RED FLAG WARNING IN EFFECT UNTIL 6 PM MDT /7 PM CDT/ THIS EVENING
DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL AND
NORTH CENTRAL SOUTH DAKOTA...

SDZ003-004-009-015-016-034-090000-
/O.NEW.KABR.FW.W.0021.260908T1700Z-260909T0000Z/
Corson-Campbell-Walworth-Dewey-Potter-Sully-
923 AM CDT Tue Sep 8 2026 /823 AM MDT Tue Sep 8 2026/

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS
EVENING...

The National Weather Service in Aberdeen SD has issued a Red Flag
Warning.

* AFFECTED AREA...Portions of central and north central South Dakota.

* TIMING...Until 7 PM CDT /6 PM MDT/ this evening.

* WINDS...West winds 15 to 30 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Relative Humidity between 18 to 28 percent.

* IMPACTS...Any fires that develop will spread rapidly. Outdoor
  burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning is issued when we identify weather conditions that
promote rapid spread of fire which may become life-threatening. This
does not mean there is a fire. These conditions are either occurring
now or will begin soon. It is important to have multiple ways to
receive information from authorities.

Follow all fire restrictions. One less spark, one less wildfire.

&&

$$

10

837 
WWUS83 KABR 082357
RFWABR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
657 PM CDT Tue Sep 8 2026

SDZ003-004-009-015-016-034-090100-
/O.EXP.KABR.FW.W.0021.000000T0000Z-260909T0000Z/
Corson-Campbell-Walworth-Dewey-Potter-Sully-
657 PM CDT Tue Sep 8 2026 /557 PM MDT Tue Sep 8 2026/

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT /6 PM MDT/ THIS
EVENING FOR NORTH CENTRAL SOUTH DAKOTA...

Temperatures have begun to cool and humidity has started to 
recover. 

$$

07

Red Flag Warnings in South Dakota, 2026Every red flag warning in 2026

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.