Headline:
Red Flag Warning issued May 13 at 12:50AM MDT until May 15 at 12:00AM MDT by NWS Cheyenne WY
Event:
Red Flag Warning
Urgency:
Expected
Effective:
May 12, 2026 - 11:50pm
Expires:
May 13, 2026 - 5:00pm
Description:
...MULTI DAY RED FLAG WARNING IN EFFECT THROUGH THURSDAY NIGHT FOR
GUSTY WINDS AND VERY LOW HUMIDITY...
* AFFECTED AREA...Fire weather zones 434 and 435.
* WIND...For Wednesday, south winds at 15 to 20 MPH with gusts to
35 MPH. For Thursday, westerly winds 20 to 25 MPH with gusts up
to 40 MPH.
* HUMIDITY...For Wednesday, 12 to 16 percent. For Thursday, 8 to
12 percent.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* ADDITIONAL DETAILS...There is a slight chance for scattered
showers and storms during Wednesday afternoon and evening. The
main concern with these storms will be gusty and erratic winds
as well as dry lightning.
Instruction:
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.
Area Description:
Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River
Forcast Office:
NWS Cheyenne WY
Sender: