Oklahoma Red Flag Warning | Effective 04/18/2026 21:43

Headline: 
Red Flag Warning issued April 18 at 11:43PM CDT until April 19 at 8:00PM CDT by NWS Norman OK
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
April 18, 2026 - 9:43pm
Expires: 
April 19, 2026 - 6:00pm
Description: 
The National Weather Service in Norman has issued a Red Flag Warning for portions of northwestern Oklahoma, which is in effect from noon to 8 PM CDT Sunday. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...Up to 77. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5). WEATHER...Near Critical...2 (out of 5). FIRE ENVIRONMENT...6 (out of 10).
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 will contribute to extreme fire behavior.
Area Description: 
Harper; Woods; Ellis; Woodward; Roger Mills
Forcast Office: 
NWS Norman OK
Sender: 
w-nws.webmaster@noaa.gov