Wyoming Red Flag Warning - Severe | Effective 06/09/2026 21:27

Headline: 
Red Flag Warning issued June 9 at 10:27PM MDT until June 10 at 8:00PM MDT by NWS Riverton WY
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
June 9, 2026 - 9:27pm
Expires: 
June 10, 2026 - 7:00pm
Description: 
* AFFECTED AREA: In Central WY...Fire Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * IMPACTS: Low Humidities and Strong Gusty Winds could cause erratic fire behavior. * WIND: West 25 to 35 mph with gusts up to 45 to 55 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Lows in the mid to upper 40s. Highs in the low to mid 70s. * ADDITIONAL INFORMATION: Conditions has improved for the overnight hours into Wednesday morning. Critical fire weather conditions are again expected by mid Wednesday morning as winds increase and humidity values drop once again.
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: 
Natrona County/Casper BLM
Forcast Office: 
NWS Riverton WY
Sender: 
w-nws.webmaster@noaa.gov