485  
WWUS85 KRIW 071750  
RFWRIW  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
1150 AM MDT WED OCT 7 2026  
 
WYZ279>281-289-081300-  
/O.NEW.KRIW.FW.A.0015.261009T1800Z-261010T0100Z/  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
NATRONA COUNTY/CASPER BLM-JOHNSON COUNTY/CASPER BLM-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
1150 AM MDT WED OCT 7 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH  
FRIDAY EVENING...  
 
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER  
WATCH, WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY  
EVENING.  
 
* IMPACTS: LOW HUMIDITIES...UNSEASONABLY WARM TEMPERATURES...AND  
STRONG GUSTY WINDS COULD CAUSE ERRATIC FIRE BEHAVIOR.  
 
* AFFECTED AREA:  
IN CENTRAL WY FIRE ZONES...280...289.  
IN NORTH CENTRAL WY FIRE ZONE....281.  
IN SOUTHWEST WY FIRE ZONE....279.  
 
* COUNTIES AFFECTED:  
IN CENTRAL WY...FREMONT...NATRONA.  
IN NORTH CENTRAL WY...JOHNSON.  
IN SOUTHWEST WY...SWEETWATER.  
 
* WIND: SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 TO 40 MPH.  
 
* HUMIDITY: AS LOW AS 10 TO 15 PERCENT.  
 
* TEMPERATURES: HIGHS IN THE 70S AND LOW 80S.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED  
FLAG WARNINGS.  
 
 
 
 
 
HTTP://WEATHER.GOV/RIVERTON  
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