< Wyoming Red Flag Warning | Effective 04/19/2026 09:49

Wyoming Red Flag Warning | Effective 04/19/2026 09:49

Headline: 
Red Flag Warning issued April 19 at 10:49AM MDT until April 20 at 8:00PM MDT by NWS Riverton WY
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
April 19, 2026 - 9:49am
Expires: 
April 20, 2026 - 6:00am
Description: 
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Monday. * IMPACTS: Low Humidities and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zones 280 and 289. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater. * WIND: West 15 to 25 mph with gusts up to 30 to 35 mph. * HUMIDITY: As low as 10 to 15 percent.
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; Granite/Green/Ferris/Rattlesnake Mountains
Forcast Office: 
NWS Riverton WY