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Location: Dallas, SD
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Red Flag Warning
Issued: 5:54 PM Apr. 21, 2026 – National Weather Service
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR SOUTH CENTRAL SOUTH DAKOTA...

The National Weather Service in Sioux Falls has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 8 PM CDT Wednesday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...In South Dakota, Beadle, Gregory, Jerauld,
Sanborn, Brule, Aurora, Davison, Hanson, Charles Mix, Douglas,
Hutchinson, Bon Homme and Yankton.

* WINDS...South 20 to 30 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 15 percent.

* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

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