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Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
415 AM PDT Wed Aug 13 2025


WAZ701>709-140400-
/O.CON.KOTX.FW.W.0013.250813T1900Z-250814T0400Z/
Foothills of Northeast Washington (Zone 701)-
Colville Reservation (Zone 702)-Okanogan Valley (Zone 703)-
Methow Valley (Zone 704)-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-Western Columbia Basin (Zone 707)-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Lower Palouse - Snake River (Zone 709)-
415 AM PDT Wed Aug 13 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 701, 702, 703, 704, 705, 706, 707, 708, AND 709...

* Affected Area: Foothills of Northeast Washington (Zone 701),
  Colville Reservation (Zone 702), Okanogan Valley (Zone 703),
  Methow Valley (Zone 704), Foothills of Central Washington
  Cascades (Zone 705), Waterville Plateau (Zone 706), Western
  Columbia Basin (Zone 707), Eastern Columbia Basin  -Palouse  -
  Spokane Area (Zone 708) and Lower Palouse  -Snake River (Zone
  709).

* Winds: West 15 to 25 mph with gusts 30 to 40 mph.

* Relative Humidities: 13 to 24 percent.

* Impacts: Rapid fire spread is likely with any new or existing
  fires.

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 Riverton WY
209 AM MDT Wed Aug 13 2025

WYZ414>416-140200-
/O.CON.KRIW.FW.W.0010.250813T1800Z-250814T0200Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
North Zone Bridger Teton NF and Grand Teton NP-
West Wind River Mountains/East Zone Bridger Teton NF-
209 AM MDT Wed Aug 13 2025

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

* IMPACTS: Low Humidities...Very Dry Fuels...Hot
  Temperatures...and Strong Gusty Winds...and Increasing
  Thunderstorm Activity could cause erratic fire behavior.

* AFFECTED AREA:
  In Northwest WY Fire Zone....415.
  In West Central WY Fire Zones...414...416.

* COUNTIES AFFECTED:
  In Central WY...Fremont.
  In North Central WY...Park.
  In West Central WY...Lincoln...Sublette...Teton.

* WIND: West 10 to 20 mph with gusts up to 35 mph.

* THUNDERSTORMS: There is a 20 to 40 percent chance of
  thunderstorms, with gusty winds and frequent lightning being the
  main threats.

* HUMIDITY: Higher elevations will see RHs around 20 percent,
  however lower valleys will see RHs around 13 to 17 percent
  Wednesday afternoon.

* TEMPERATURES: Highs in the upper 70s.

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 Riverton WY
209 AM MDT Wed Aug 13 2025

WYZ286-288-140200-
/O.CON.KRIW.FW.W.0010.250813T1800Z-250814T0200Z/
Absaroka Mountains/North Shoshone NF-
East Wind River Mountains/South Shoshone NF-
209 AM MDT Wed Aug 13 2025

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

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty
  Winds...and Increasing Thunderstorm Activity could cause erratic
  fire behavior.

* AFFECTED AREA:
  In Central WY Fire Zone....288.
  In Northwest WY Fire Zone....286.

* COUNTIES AFFECTED:
  In Central WY...Fremont.
  In North Central WY...Hot Springs...Park.
  In West Central WY...Sublette.

* WIND: West 15 to 25 mph with gusts 30 to 40 mph.

* THUNDERSTORMS: There is a 20 to 40 percent chance of
  thunderstorms, with gusty winds and frequent lightning being the
  main threats.

* HUMIDITY: Higher elevations will see RHs around 20 percent,
  however lower valleys will see RHs near 15 percent Wednesday
  afternoon.

* TEMPERATURES: Highs in the upper 70s.

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
154 AM MDT Wed Aug 13 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED
THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 413, 427, 475 AND 476...

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
410, 422 AND 425...

IDZ422-425-427-140400-
/O.CON.KPIH.FW.W.0015.250813T1800Z-250814T0400Z/
Sawtooth Range/Northern Sawtooth NF-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
154 AM MDT Wed Aug 13 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 422 AND 425...

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR
FIRE WEATHER ZONE 427...

The National Weather Service in Pocatello has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from noon to 10 PM MDT Wednesday.

* AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern
  Sawtooth NF, Fire Weather Zone 425 Middle Snake River
  Valley/Twin Falls BLM north of the Snake River and Fire
  Weather Zone 427 Goose Creek and Raft River Valley/Southern
  Sawtooth NF/Twin Falls BLM south of the Snake River.

* WINDS...West 10 to 20 mph with gusts up to 35 mph. Isolated
  thunderstorms may produce gusts over 45 mph across Zone 427.

* RELATIVE HUMIDITY...10 to 20 percent.

* IMPACTS...The combination of dry fuels, gusty winds, low
  humidity and potential for lightning will lead to increasing
  fire spread and more 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.

- Thunderstorm coverage of 25 percent, without specific rainfall
criteria.

- Other high impact events deemed critical by the National
Weather Service and area fire management agencies.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
154 AM MDT Wed Aug 13 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED
THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 413, 427, 475 AND 476...

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
410, 422 AND 425...

IDZ410-411-413-140400-
/O.CON.KPIH.FW.W.0015.250813T1800Z-250814T0400Z/
Upper Snake River Valley/Idaho Falls BLM-
Centennial Mountains and Snake River Range/Targhee NF-
Caribou Range/Caribou NF-
154 AM MDT Wed Aug 13 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 410...

..RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS
FOR FIRE WEATHER ZONES 411 AND 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 noon to 10 PM MDT Wednesday.

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
  Valley/Idaho Falls BLM, Fire Weather Zone 411 Centennial
  Mountains and Snake River Range/Targhee NF and Fire Weather
  Zone 413 Caribou Range/Caribou NF.

* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. Isolated
  thunderstorms may produce gusts over 45 mph across Zones 411 and
  413.

* RELATIVE HUMIDITY...10 to 20 percent.

* IMPACTS...The combination of dry fuels, gusty winds, low
  humidity and potential for lightning will lead to increasing
  fire spread and more 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.

- Thunderstorm coverage of 25 percent, without specific rainfall
criteria.

- Other high impact events deemed critical by the National
Weather Service and area fire management agencies.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
154 AM MDT Wed Aug 13 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED
THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 413, 427, 475 AND 476...

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
410, 422 AND 425...

IDZ475-476-140400-
/O.CON.KPIH.FW.W.0015.250813T1800Z-250814T0400Z/
East Salmon River Mountains/Salmon NF-
Lemhi and Lost River Range/Challis NF-
154 AM MDT Wed Aug 13 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
ISOLATED THUNDERSTORMS FOR FIRE WEATHER ZONES 475 AND 476...

The National Weather Service in Pocatello has issued a Red Flag
Warning for gusty winds, low relative humidity,and isolated
thunderstorms, which is in effect from noon to 10 PM MDT
Wednesday.

* AFFECTED AREA...Fire Weather Zone 475 East Salmon River
  Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost
  River Range/Challis NF.

* WINDS...West 15 to 25 mph with gusts up to 35 mph. Isolated
  thunderstorms may produce gusts over 45 mph especially across
  Zone 476.

* RELATIVE HUMIDITY...10 to 20 percent.

* IMPACTS...The combination of dry fuels, gusty winds, low
  humidity and potential for lightning will lead to increasing
  fire spread and more 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.

- Thunderstorm coverage of 25 percent, without specific rainfall
criteria.

- Other high impact events deemed critical by the National
Weather Service and area fire management agencies.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
1033 PM PDT Tue Aug 12 2025

...BREEZY WINDS WITH LOW RELATIVE HUMIDITY THROUGH WEDNESDAY...

.An approaching weather system will result in breezy winds
accompanied by low relative humidity across south-central to
southeast Washington and central to northeast Oregon.

ORZ691-693-701-702-WAZ690>694-140400-
/O.CON.KPDT.FW.W.0014.250813T1900Z-250814T0400Z/
Lower Columbia Basin of Oregon-
Canyon Grasslands of Wallowa County-
Eastern Columbia River Gorge of Oregon-
East Slopes of the Mt. Hood National Forest-Kittitas Valley-
Lower Columbia Basin of Washington-Blue Mountains of Washington-
Southeast Washington Grande Ronde Valley-Yakama Alpine District-
1033 PM PDT Tue Aug 12 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM PDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES OR691, OR693, OR701, OR702, WA690, WA691, WA692, WA693, AND
WA694...

* AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691
  Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of
  Washington, 692 Blue Mountains of Washington, 693 Canyon
  Grasslands of Wallowa County, 693 Southeast Washington Grande
  Ronde Valley, 694 Yakama Alpine District, 701 Eastern Columbia
  River Gorge of Oregon and 702 East Slopes of the Mt. Hood
  National Forest.

* TIMING...From noon to 9 PM PDT Wednesday.

* WINDS...West 15 to 25 mph with gusts of 25 to 40 mph.

* RELATIVE HUMIDITY...As low as 12 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 Missoula MT
1257 PM MDT Tue Aug 12 2025

IDZ102-131900-
/O.UPG.KMSO.FW.A.0001.250813T1800Z-250814T0600Z/
/O.NEW.KMSO.FW.W.0003.250813T1900Z-250814T0400Z/
Palouse/Hells Canyon-
1157 AM PDT Tue Aug 12 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT WEDNESDAY...

The National Weather Service in Missoula has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 9 PM PDT Wednesday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Grasslands and sage areas from Moscow to Camas
  Prairie and Hells Canyon of Fire Zone 102.

* TIMING...From noon to 9 PM PDT Wednesday.

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

* RELATIVE HUMIDITY...12-19 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.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
1257 PM MDT Tue Aug 12 2025

MTZ107-131900-
/O.UPG.KMSO.FW.A.0001.250813T1800Z-250814T0600Z/
/O.NEW.KMSO.FW.W.0003.250813T1900Z-250814T0300Z/
Flathead Reservation-
1257 PM MDT Tue Aug 12 2025

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT WEDNESDAY...

The National Weather Service in Missoula has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 1 PM to 9 PM MDT Wednesday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Grasslands west of Highway 93 of Fire Zone 107.

* TIMING...From 1 PM to 9 PM MDT Wednesday.

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

* RELATIVE HUMIDITY...15-20 percent.

* IMPACTS...Elevated fire danger is expected. Fires will catch
  and spread rapidly and erratically.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
1257 PM MDT Tue Aug 12 2025

MTZ110-131900-
/O.UPG.KMSO.FW.A.0001.250813T1800Z-250814T0600Z/
/O.NEW.KMSO.FW.W.0003.250813T1800Z-250814T0200Z/
Deerlodge/West Beaverhead-
1257 PM MDT Tue Aug 12 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY...

The National Weather Service in Missoula has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 8 PM MDT Wednesday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Fire Zone 110 Deerlodge/West Beaverhead.

* TIMING...From noon to 8 PM MDT Wednesday.

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

* RELATIVE HUMIDITY...12-19 percent.

* IMPACTS...Elevated fire danger is expected. Fires will catch
  and spread rapidly and erratically.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
1257 PM MDT Tue Aug 12 2025

MTZ111-131900-
/O.UPG.KMSO.FW.A.0001.250813T1800Z-250814T0600Z/
/O.NEW.KMSO.FW.W.0003.250813T1800Z-250814T0200Z/
/O.NEW.KMSO.FW.A.0002.250814T1800Z-250815T0300Z/
East Beaverhead-
1257 PM MDT Tue Aug 12 2025

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

The National Weather Service in Missoula has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 8 PM MDT Wednesday. A Fire Weather Watch has also
been issued for wind and low relative humidity from Thursday
afternoon through Thursday evening.

* AFFECTED AREA...Fire Zone 111 East Beaverhead.

* TIMING...For the Red Flag Warning, from noon to 8 PM MDT
  Wednesday. For the Fire Weather Watch, from Thursday afternoon
  through Thursday evening.

* WINDS...West 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...10-17 percent.

* IMPACTS...Elevated fire danger is expected. Fires will catch
  and spread rapidly and erratically.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur.

&&

$$

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
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