⚠️ Red Flag Warning – Box Butte/South Sioux/Niobrara River – Monday, June 29, 2026

Red Flag Warning issued June 29 at 1:18PM MDT until June 29 at 9:00PM MDT by NWS Cheyenne WY

Details

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect until 9 PM MDT this evening. This
replaces the Fire Weather Watch.

* WIND…Southwest to west winds 20 to 30 mph with gusts up to 50
mph.

* HUMIDITY…Between 14 and 20 percent.

* 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.