231 

WWUS85 KRIW 051836

RFWRIW



URGENT - FIRE WEATHER MESSAGE

National Weather Service Riverton WY

1236 PM MDT Fri Jun 5 2026



WYZ280-061300-

/O.UPG.KRIW.FW.A.0006.260606T1700Z-260607T0200Z/

/O.NEW.KRIW.FW.W.0013.260606T1700Z-260607T0200Z/

Natrona County/Casper BLM-

1236 PM MDT Fri Jun 5 2026



...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...



The National Weather Service in Riverton has issued a Red Flag

Warning, which is in effect from 11 AM to 8 PM MDT Saturday.



* AFFECTED AREA: 

  In Central WY...Fire Weather Zone 280.



* COUNTIES AFFECTED: 

  In Central WY...Natrona.



* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and 

  Strong Gusty Winds could cause erratic fire behavior. 



* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.



* HUMIDITY: As low as 7 percent.



* TEMPERATURES: Highs in the 90s.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



http://weather.gov/riverton