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WWUS85 KSLC 151707
RFWSLC
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1107 AM MDT FRI MAY 15 2026
UTZ489-494-495-161715-
/O.NEW.KSLC.FW.W.0002.260516T1700Z-260517T0300Z/
SAN RAFAEL SWELL-HENRY MOUNTAINS-COLOR COUNTRY WEST DESERT-
1107 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 494,
AND 495...
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN
EFFECT FROM 11 AM TO 9 PM MDT SATURDAY.
* AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL, FIRE
WEATHER ZONE 494 HENRY MOUNTAINS AND FIRE WEATHER ZONE 495
COLOR COUNTRY WEST DESERT.
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.
* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.
* IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED. ANY
NEW FIRE STARTS OR EXISTING FIRES MAY SPREAD RAPIDLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
UTZ497-498-161715-
/O.NEW.KSLC.FW.W.0002.260516T1700Z-260518T0300Z/
MOJAVE DESERT-GRAND STAIRCASE-
1107 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM SATURDAY TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
497 AND 498...
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN
EFFECT FROM 11 AM SATURDAY TO 9 PM MDT SUNDAY.
* AFFECTED AREA...FIRE WEATHER ZONE 497 MOJAVE DESERT AND FIRE
WEATHER ZONE 498 GRAND STAIRCASE.
* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ON SATURDAY
AND UP TO 45 MPH ON SUNDAY.
* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.
* IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED. ANY
NEW FIRE STARTS OR EXISTING FIRES MAY SPREAD RAPIDLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTP://WEATHER.GOV/SALTLAKECITY
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