Cheyenne, Wyoming

Regional Weather Alerts


Alert: Red Flag Warning
Area(s): Natrona County/Casper BLM
Effective: 2026-06-07 @ 12:23 am -> 2026-06-07 @ 9:00 pm
Onset: 2026-06-07 @ 12:23 am -> 2026-06-07 @ 9:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2026-06-07 @ 12:23 am
Headline: Red Flag Warning issued June 6 at 11:23PM MDT until June 7 at 8:00PM MDT by NWS Riverton WY
Description: * AFFECTED AREA:
In Central WY...Fire Weather Zone 280.

* COUNTIES AFFECTED:
In Central WY...Natrona.

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty
Winds could cause erratic fire behavior.

* WIND: Southwest 20 to 30 mph with gusts up to 40 to 50 mph.

* HUMIDITY: As low as 8 to 12 percent.

* TEMPERATURES: Highs in the mid to upper 80s.

* ADDITIONAL INFORMATION: Conditions have improved for the
overnight hours into Sunday morning as humidity has increased and
winds decreased. Critical fire weather conditions are again
expected by late Sunday morning through the afternoon and early
evening hours through sunset.