⚠️ Red Flag Warning – Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument – Monday, September 14, 2026

Event	Red Flag Warning
Severity	Severe
Urgency	Expected
Certainty	Likely
Area	Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument
Effective	9/14/2026, 2:26:00 AM CDT
Expires	9/14/2026, 9:00:00 PM CDT

Red Flag Warning issued September 14 at 1:26AM MDT until September 14 at 8:00PM MDT by NWS Cheyenne WY

Details

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon today to 8 PM MDT this
evening.

* AFFECTED AREA…Fire weather zones 434 through 436.

* WIND…West to Northwest winds 20 to 30 mph, gusts between 35 to
45 mph.

* HUMIDITY…Relative humidities as low as 12 to 17%.

* IMPACTS…any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.

Instructions

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.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.