Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
315 AM MDT Mon Aug 4 2025

UTZ483-484-488-489-492-494-495-497-498-042315-
/O.CON.KSLC.FW.W.0009.250804T1800Z-250807T0300Z/
Southern Ashley National Forest-Tavaputs Plateau-
Manti National Forest-San Rafael Swell-Central Utah West Desert-
Henry Mountains-Color Country West Desert-Mojave Desert-
Grand Staircase-
315 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 483, 484, 488, 489, 492, 494, 495, 497, AND 498...

* AFFECTED AREA...Fire Weather Zone 483 Southern Ashley National
  Forest, Fire Weather Zone 484 Tavaputs Plateau, Fire Weather
  Zone 488 Manti National Forest, Fire Weather Zone 489 San
  Rafael Swell, Fire Weather Zone 492 Central Utah West Desert,
  Fire Weather Zone 494 Henry Mountains, Fire Weather Zone 495
  Color Country West Desert, Fire Weather Zone 497 Mojave Desert
  and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. Gusts
  around 40 mph possible Monday afternoon across zones 492 and
  495.

* RELATIVE HUMIDITY...5 to 10 percent Monday, increasing to 8 to
  12 percent by Wednesday. Poor overnight recoveries near 15 to
  20 percent except increasing to 25 to 35 percent 498 and
  southern 495 Tuesday night.

* 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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
315 AM MDT Mon Aug 4 2025

UTZ478-479-481-042315-
/O.CON.KSLC.FW.W.0009.250804T1800Z-250805T0300Z/
Salt Lake Desert-Wasatch Mountains-Western Ashley National Forest-
315 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 478, 479, AND 481...

* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert, Fire
  Weather Zone 479 Wasatch Mountains and Fire Weather Zone 481
  Western Ashley National Forest.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph across
  areas south of I-80 and southwest 5 to 10 mph with gusts to
  around 20 mph north of I-80.

* RELATIVE HUMIDITY...5 to 9 percent south of I-80, and 10 to 15
  percent north.

* 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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
315 AM MDT Mon Aug 4 2025

UTZ482-042315-
/O.CON.KSLC.FW.W.0009.250804T1800Z-250806T0300Z/
Western Uintah Basin-
315 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
482...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin.

* WINDS...Southwest to west 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...5 to 9 percent with very poor overnight
  recoveries near 15 to 20 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

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
315 AM MDT Mon Aug 4 2025

UTZ493-496-042315-
/O.CON.KSLC.FW.W.0009.250804T1800Z-250806T0300Z/
Central Utah Mountains-Color Country Mountains-
315 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
493 AND 496...

* AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains
  and Fire Weather Zone 496 Color Country Mountains.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...6 to 12 percent with poor overnight
  recoveries near 15 to 25 percent most locations, higher in
  sheltered/irrigated valleys.

* 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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
248 AM MDT Mon Aug 4 2025

WYZ277>279-288-289-414-416-050200-
/O.CON.KRIW.FW.W.0009.250804T1800Z-250805T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
East Wind River Mountains/South Shoshone NF-
Granite/Green/Ferris/Rattlesnake Mountains-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
West Wind River Mountains/East Zone Bridger Teton NF-
248 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING...

* AFFECTED AREA:
  In Central WY Fire Zones...288...289.
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zones...278...414...416.

* COUNTIES AFFECTED:
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater...Uinta.
  In West Central WY...Lincoln...Sublette.

* IMPACTS: Low Humidities and Strong Gusty Winds could cause
  erratic fire behavior.

* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: 6 to 10 percent.

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

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
152 AM MDT Mon Aug 4 2025

IDZ410-413-050300-
/O.CON.KPIH.FW.W.0012.250804T2000Z-250805T0300Z/
Upper Snake River Valley/Idaho Falls BLM-Caribou Range/Caribou NF-
152 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR IDAHO FIRE WEATHER ZONES 410 AND 413...

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
  Valley/Idaho Falls BLM and Fire Weather Zone 413 Caribou
  Range/Caribou NF. Mostly likely area affected are areas west of
  the Snake River for Fire Weather Zone 410 and nearly all of Fire
  Weather Zone 413.

* WINDS...Southwest 15 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 13 percent.

* IMPACTS...The combination of gusty winds and low humidity with
  critically dry fuels may result in extreme fire behavior.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Relative humidity at or below 15 percent and wind gusts of at
least 25 mph in the mountains, or 30 mph in the Snake Plain.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
148 AM MDT Mon Aug 4 2025

COZ200>203-205-290-292-293-UTZ486-487-050000-
/O.UPG.KGJT.FW.A.0024.250805T1700Z-250806T0200Z/
/O.NEW.KGJT.FW.W.0028.250805T1700Z-250806T0200Z/
/O.CON.KGJT.FW.W.0027.250804T1700Z-250805T0300Z/
Little Snake Forecast Area-Routt Forecast Area-
White River Forecast Area-Lower Colorado River-
Colorado River Headwaters-Paradox Valley Forecast Area-
North Fork Forecast Area-Gunnison Basin Forecast Area-
Eastern Uinta Basin-Book Cliffs-
148 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONES 200, 201, 202, 203, 205, 290,
292, 293, 486, AND 487...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT TUESDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONES 200, 201, 202, 203, 205, 290, 292, 293, 486, AND 487...

The National Weather Service in Grand Junction has issued a Red
Flag Warning for gusty winds, low relative humidity and dry
fuels, which is in effect from 11 AM to 8 PM MDT Tuesday. The
Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little
  Snake Forecast Area, Fire Weather Zone 201 Routt Forecast
  Area, Fire Weather Zone 202 White River Forecast Area, Fire
  Weather Zone 203 Lower Colorado River, Fire Weather Zone 205
  Colorado River Headwaters, Fire Weather Zone 290 Paradox
  Valley Forecast Area, Fire Weather Zone 292 North Fork
  Forecast Area and Fire Weather Zone 293 Gunnison Basin
  Forecast Area. In Utah, Fire Weather Zone 486 Eastern Uinta
  Basin and Fire Weather Zone 487 Book Cliffs.

* TIMING...For the first Red Flag Warning, from 11 AM this
  morning to 9 PM MDT this evening. For the second Red Flag
  Warning, from 11 AM to 8 PM MDT Tuesday.

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

* RELATIVE HUMIDITY...4 to 9 percent.

* IMPACTS...Any fire that develops will catch and spread
  quickly. Outdoor burning is not recommended.

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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
148 AM MDT Mon Aug 4 2025

COZ294-050000-
/O.UPG.KGJT.FW.A.0024.250805T1700Z-250806T0200Z/
/O.NEW.KGJT.FW.W.0028.250805T1700Z-250806T0200Z/
/O.CON.KGJT.FW.W.0027.250804T1700Z-250805T0300Z/
Southwest Colorado Upper West Forecast Area-
148 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 294 BELOW 8000 FEET...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT TUESDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 294 BELOW 8000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 8000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from 11 AM to 8 PM MDT
Tuesday. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 294 Southwest
  Colorado Upper West Forecast Area below 8000 feet.

* TIMING...For the first Red Flag Warning, from 11 AM this
  morning to 9 PM MDT this evening. For the second Red Flag
  Warning, from 11 AM to 8 PM MDT Tuesday.

* WINDS...Southwest 5 to 15 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...5 to 10 percent.

* IMPACTS...Any fire that develops will catch and spread
  quickly. Outdoor burning is not recommended.

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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
148 AM MDT Mon Aug 4 2025

UTZ485-050000-
/O.CON.KGJT.FW.W.0027.250804T1700Z-250805T0300Z/
Eastern Ashley National Forest-
148 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 485...

* AFFECTED AREA...In Utah, Fire Weather Zone 485 Eastern Ashley
  National Forest.

* TIMING...From 11 AM this morning to 9 PM MDT this evening.

* WINDS...South 10 to 20 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...6 to 11 percent.

* IMPACTS...Fires will catch and spread quickly. Exercise
  extreme caution with any outdoor burning.

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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
148 AM MDT Mon Aug 4 2025

UTZ490-050000-
/O.NEW.KGJT.FW.W.0028.250805T1700Z-250806T0200Z/
/O.CON.KGJT.FW.W.0027.250804T1700Z-250805T0300Z/
Colorado River Basin-
148 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 490...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT TUESDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 490...

The National Weather Service in Grand Junction has issued a Red
Flag Warning for gusty winds, low relative humidity and dry
fuels, which is in effect from 11 AM to 8 PM MDT Tuesday.

* AFFECTED AREA...In Utah, Fire Weather Zone 490 Colorado River
  Basin.

* TIMING...For the first Red Flag Warning, from 11 AM this
  morning to 9 PM MDT this evening. For the second Red Flag
  Warning, from 11 AM to 8 PM MDT Tuesday.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...4 to 9 percent.

* IMPACTS...Fires will catch and spread quickly. Exercise
  extreme caution with any outdoor burning.

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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
121 AM MDT Mon Aug 4 2025

...MULTI-DAY CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS
WEEK WITH LITTLE OVERNIGHT RELIEF...

.A multi-day critical fire weather event is expected this week
due to low RH values into the teens and single digits, alongside
poor overnight recoveries and gusty winds. Overnight recoveries
may rise a little higher or winds a bit less breezy on some days,
but overall conditions will be poor for a majority of the week.

WYZ420-421-427>429-050000-
/O.EXB.KCYS.FW.W.0017.250805T1800Z-250806T0000Z/
/O.EXT.KCYS.FW.A.0010.250806T0000Z-250809T0000Z/
North Laramie Valley/Shirley Basin-
Ferris/Seminoe/Shirley Mountains-North Snowy Range Foothills-
Southern Laramie Valley-Southern Laramie Range-
121 AM MDT Mon Aug 4 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM MDT TUESDAY FOR
LOW RH, POOR OVERNIGHT RECOVERY, AND GUSTY WINDS FOR FIRE WEATHER
ZONES 422, 423, 424, 425, AND 426...
...FIRE WEATHER WATCH NOW IN EFFECT FROM TUESDAY EVENING THROUGH
FRIDAY AFTERNOON FOR LOW RH, POOR OVERNIGHT RECOVERY, AND GUSTY
WINDS FOR FIRE WEATHER ZONES 420, 421, 427, 428, AND 429...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon to 6 PM MDT Tuesday.

* AFFECTED AREA...Fire weather zones 420, 421, 427, 428, and
  429.

* WIND...Gusting 20-30 mph, isolated gusts 35-40 mph.

* HUMIDITY...5 to 15 percent; overnight recoveries 25 to 40
  percent.

* IMPACTS...any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
121 AM MDT Mon Aug 4 2025

...MULTI-DAY CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS
WEEK WITH LITTLE OVERNIGHT RELIEF...

.A multi-day critical fire weather event is expected this week
due to low RH values into the teens and single digits, alongside
poor overnight recoveries and gusty winds. Overnight recoveries
may rise a little higher or winds a bit less breezy on some days,
but overall conditions will be poor for a majority of the week.

WYZ422>426-050000-
/O.CON.KCYS.FW.W.0017.250804T1800Z-250809T0000Z/
Central and West Carbon-Southwest Carbon County-
Sierra Madre Range/Medicine Bow NF-Upper North Platte River Basin-
Snowy Range/Medicine Bow NF-
121 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM MDT
FRIDAY FOR LOW RH, POOR OVERNIGHT RECOVERY, AND GUSTY WINDS FOR
FIRE WEATHER ZONES 422, 423, 424, 425, AND 426...

* AFFECTED AREA...Fire weather zones 422, 423, 424, 425, and
  426.

* WIND...Gusting 20-30 mph, isolated gusts 35-40 mph.

* HUMIDITY...5 to 15 percent; overnight recoveries 25 to 40
  percent.

* IMPACTS...any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

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.

&&

$$