weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
228 PM MDT Mon Jul 14 2025

UTZ492-493-151230-
/O.NEW.KSLC.FW.W.0006.250715T1800Z-250716T0500Z/
Central Utah West Desert-Central Utah Mountains-
228 PM MDT Mon Jul 14 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 11 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492 AND
493...

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 noon to 11 PM MDT Tuesday.

* AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert
  and Fire Weather Zone 493 Central Utah Mountains.

* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 9 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 expected or ongoing. A combination of strong winds...low
relative humidity...and warm temperatures can contribute to
extreme fire behavior.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
228 PM MDT Mon Jul 14 2025

UTZ495>498-151230-
/O.UPG.KSLC.FW.A.0004.250715T1800Z-250716T0500Z/
/O.NEW.KSLC.FW.W.0006.250715T1800Z-250716T0500Z/
Color Country West Desert-Color Country Mountains-Mojave Desert-
Grand Staircase-
228 PM MDT Mon Jul 14 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 11 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 495, 496,
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 noon to 11 PM MDT Tuesday. The Fire Weather Watch is
no longer in effect.

* AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert,
  Fire Weather Zone 496 Color Country Mountains (especially for
  the Pine Valley Mountains), Fire Weather Zone 497 Mojave Desert
  and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.

* 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 expected or ongoing. A combination of strong winds...low
relative humidity...and warm temperatures can contribute to
extreme fire behavior.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
228 PM MDT Mon Jul 14 2025

UTZ478-479-151230-
/O.NEW.KSLC.FW.W.0006.250715T1800Z-250716T0300Z/
Salt Lake Desert-Wasatch Mountains-
228 PM MDT Mon Jul 14 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
SCATTERED DRY THUNDERSTORMS FOLLOWING AN EXTENDED DRY PERIOD FOR
FIRE WEATHER ZONES 478 AND 479...

The National Weather Service in Salt Lake City has issued a Red
Flag Warning for scattered dry thunderstorms following an extended
dry period, which is in effect from noon to 9 PM MDT Tuesday.

* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert and
  Fire Weather Zone 479 Wasatch Mountains.

* THUNDERSTORMS...Scattered dry thunderstorms are expected to
  develop during the afternoon hours on Tuesday, bringing
  potential for frequent lightning strikes from storms producing
  little to no rainfall.

* OUTFLOW WINDS...A dry low level environment will promote
  potential for storms to produce strong outflow wind gusts in
  excess of 30-35 mph with around a 40-50 percent chance of gusts
  exceeding 45 mph.

* 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
lightning...dry fuel conditions...and gusty microburst winds will
create favorable conditions for new fire starts and extreme fire
behavior.


&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE