Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
106 AM MDT Wed Aug 6 2025
WYZ277>279-288-289-414-416-070000-
/O.CON.KRIW.FW.W.0009.000000T0000Z-250809T0200Z/
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-
106 AM MDT Wed Aug 6 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT FRIDAY...
* 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: West to southwest wind 10 to 20 mph with gusts around 30
mph through Wednesday. Wind increasing from the west at 15 to 25
mph with gusts to 35 mph Thursday, perhaps up to 40 mph. Friday
winds will be from the west to northwest 15 to 30 mph with gusts
up to 40 mph.
* HUMIDITY: 6 to 15 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
319 AM MDT Wed Aug 6 2025
UTZ479-062330-
/O.CON.KSLC.FW.W.0009.250807T1800Z-250808T0300Z/
Wasatch Mountains-
319 AM MDT Wed Aug 6 2025
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
479...
* AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains.
* WINDS...Southwest 15 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/saltlakecity
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
319 AM MDT Wed Aug 6 2025
UTZ481>484-488-489-493-494-496-498-062330-
/O.CON.KSLC.FW.W.0009.000000T0000Z-250809T0300Z/
Western Ashley National Forest-Western Uintah Basin-
Southern Ashley National Forest-Tavaputs Plateau-
Manti National Forest-San Rafael Swell-Central Utah Mountains-
Henry Mountains-Color Country Mountains-Grand Staircase-
319 AM MDT Wed Aug 6 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 481, 482,
483, 484, 488, 489, 493, 494, 496, AND 498...
* AFFECTED AREA...Fire Weather Zone 481 Western Ashley National
Forest, Fire Weather Zone 482 Western Uintah Basin, 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 493 Central Utah Mountains, Fire Weather Zone 494
Henry Mountains, Fire Weather Zone 496 Color Country Mountains
and Fire Weather Zone 498 Grand Staircase.
* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. Winds
are likely to be the strongest on Thursday afternoon, with
gusts up to 40 mph in localized areas.
* RELATIVE HUMIDITY...8 to 12 percent across most areas, except
the central and southern mountains where minimum RH will reach
12 to 16 percent. Poor overnight recoveries of 20 to 30 percent
outside of higher terrain and sheltered/irrigated valleys where
RH may reach 35 to 55 percent overnight.
* 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Denver/Boulder CO
315 AM MDT Wed Aug 6 2025
...PROLONGED PERIOD OF CRITICAL FIRE WEATHER CONDITIONS THROUGH
FRIDAY...
.A hot and dry airmass will hold across the area through Friday.
It will be breezy at times, especially during the afternoon and
early evening hours, leading to potential for rapid wildfire
spread. While Red Flag Warnings are in effect through Wednesday,
critical fire weather conditions will likely exist Thursday and
again on Friday. Slight relief should come through the weekend
with a gradual cooling trend and winds diminishing by Sunday.
COZ211-213-217-218-062115-
/O.CON.KBOU.FW.W.0022.250806T1800Z-250807T0200Z/
Jackson County Below 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
315 AM MDT Wed Aug 6 2025
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN
MOUNTAINS AND HIGH VALLEYS...FIRE WEATHER ZONES 211, 213,217, AND
218...
* AFFECTED AREA...Fire Weather Zones 211, 213, 217 and 218.
* TIMING...From noon today to 8 PM MDT this evening.
* WINDS...West 10 to 15 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 11 percent.
* IMPACTS...Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
213 AM MDT Wed Aug 6 2025
COZ200>203-290-UTZ485>487-490-062145-
/O.CON.KGJT.FW.W.0029.250806T1700Z-250807T0200Z/
/O.CON.KGJT.FW.W.0030.250807T1700Z-250808T0200Z/
/O.CON.KGJT.FW.W.0031.250808T1700Z-250809T0200Z/
Little Snake Forecast Area-Routt Forecast Area-
White River Forecast Area-Lower Colorado River-
Paradox Valley Forecast Area-Eastern Ashley National Forest-
Eastern Uinta Basin-Book Cliffs-Colorado River Basin-
213 AM MDT Wed Aug 6 2025
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONES 200, 201, 202, 203, 290, 485,
486, 487, AND 490...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONES 200, 201, 202, 203, 290, 485, 486, 487, AND
490...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONES 200, 201, 202, 203, 290, 485, 486, 487, AND
490...
* 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 and Fire Weather Zone
290 Paradox Valley Forecast Area. In Utah, Fire Weather Zone
485 Eastern Ashley National Forest, Fire Weather Zone 486
Eastern Uinta Basin, Fire Weather Zone 487 Book Cliffs and
Fire Weather Zone 490 Colorado River Basin.
* TIMING...For the first Red Flag Warning, from 11 AM this
morning to 8 PM MDT this evening. For the second Red Flag
Warning, from 11 AM to 8 PM MDT Thursday. For the third Red
Flag Warning, from 11 AM to 8 PM MDT Friday.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...8 to 13 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
146 AM MDT Wed Aug 6 2025
IDZ413-070300-
/O.NEW.KPIH.FW.W.0013.250806T2100Z-250807T0300Z/
Caribou Range/Caribou NF-
146 AM MDT Wed Aug 6 2025
...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM
MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 413...
The National Weather Service in Pocatello has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 3 PM this afternoon to 9 PM MDT this evening.
* AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF.
* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 11 percent.
* IMPACTS...When Red Flag conditions are met, fire intensity and
fire spread rates can become extreme.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:
- Relative humidity at or below 15 percent and wind gusts of at
least 25 mph in the mountains, or 30 mph in the Snake Plain.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
115 AM MDT Wed Aug 6 2025
...MULTI-DAY CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS
WEEK WITH LITTLE OVERNIGHT RELIEF...
.A multi-day critical fire weather event is ongoing 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.
WYZ419>429-061515-
/O.CON.KCYS.FW.W.0017.000000T0000Z-250809T0000Z/
North Laramie Range and Adjacent High Plains-
North Laramie Valley/Shirley Basin-
Ferris/Seminoe/Shirley Mountains-Central and West Carbon-
Southwest Carbon County-Sierra Madre Range/Medicine Bow NF-
Upper North Platte River Basin-Snowy Range/Medicine Bow NF-
North Snowy Range Foothills-Southern Laramie Valley-
Southern Laramie Range-
115 AM MDT Wed Aug 6 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY FOR
LOW RH VALUES, POOR OVERNIGHT RECOVERY, AND GUSTY WINDS FOR FIRE
WEATHER ZONES 419, 420, 421, 422, 423, 424, 425, 426, 427, 428,
AND 429...
* AFFECTED AREA...Fire weather zone 419.
* WIND...West winds gusting 20 to 30 mph, isolated gusts 35 to
40 mph.
* HUMIDITY...8 to 12 percent; overnight recoveries as low as 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
115 AM MDT Wed Aug 6 2025
...MULTI-DAY CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS
WEEK WITH LITTLE OVERNIGHT RELIEF...
.A multi-day critical fire weather event is ongoing this week due
to low RH values into the teens and single digits, alongside poor
overnight recoveries and gusty winds. Overnight recoveries may
rise a little higher or winds a bit less breezy on some days, but
overall conditions will be poor for a majority of the week.
WYZ417-418-061515-
/O.EXB.KCYS.FW.W.0017.250807T1800Z-250808T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
Middle North Platte River Basin/Niobrara and Converse High Plains-
115 AM MDT Wed Aug 6 2025
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR
LOW RH VALUES AND GUSTY WINDS FOR FIRE WEATHER ZONES 417 AND
418...
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon to 8 PM MDT Thursday.
* AFFECTED AREA...Fire weather zones 422, 423, 424, 425, and
426.
* WIND...West to southwest winds gusting 20 to 30 mph, isolated
gusts 35 to 40 mph.
* HUMIDITY...5 to 15 percent; overnight recoveries 25 to 40
percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
