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Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1233 AM MDT Sat Aug 8 2026

WYZ140-275>283-285>289-300-090000-
/O.CON.KRIW.FW.W.0021.260808T1700Z-260810T0300Z/
Yellowstone National Park-North Bighorn Basin/Worland BLM-
Cody Foothills-Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Natrona County/Casper BLM-Johnson County/Casper BLM-
South Bighorn Basin/Worland BLM-
Upper Wind River Basin/Wind River Basin-South Bighorn Mountains-
Absaroka Mountains/North Shoshone NF-Owl Creek Mountains-
East Wind River Mountains/South Shoshone NF-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
1233 AM MDT Sat Aug 8 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT SUNDAY...

* AFFECTED AREA:
  In Central WY Fire Zones...280...283...285...288...289...300.
  In North Central WY Fire Zones...275...276...281...282...287.
  In Northwest WY Fire Zones...140...286.
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zone....278.

* COUNTIES AFFECTED:
  In Central WY...Fremont...Natrona.
  In North Central WY...Big Horn...Hot Springs...Johnson...Park
                        Washakie.
  In Northwest WY...Yellowstone National Park.
  In Southwest WY...Sweetwater...Uinta.
  In West Central WY...Lincoln...Sublette.

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

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

* HUMIDITY: As low as 7 percent. Relative humidity recovery will be
  poor on Saturday night.

* TEMPERATURES: Highs in the 90s in the lower elevations. Highs in
  the 80s in the mountains.

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 Elko NV
935 PM PDT Fri Aug 7 2026

NVZ425-426-081800-
/O.CON.KLKN.FW.W.0010.260808T1900Z-260809T0400Z/
White Pine and Northeast Nye Counties-Northern Nye County-Mojave-
935 PM PDT Fri Aug 7 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM PDT
SATURDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONES 425 AND 426...

* AFFECTED AREA...Fire weather zones 425 and 426.

* WIND...West winds up to 5-10 mph, gust 10-15 mph. Gusty
  erraticoutflow winds from passing/collapsing thunderstorms
  can reach up to 40-50 mph.

* HUMIDITY...15-20 percent

* THUNDERSTORMS...Thunderstorms will be mostly dry.

* HIGHEST THREAT...is located in fire zone NV425.

* IMPACTS...any fires that develop will likely spread rapidly.
  Dry lightning may create new fire starts and combine with
  strong outflow winds to produce rapid fire growth. 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
lightning, dry fuel conditions, and gusty microburst winds will
create favorable conditions for new fire starts and extreme fire
behavior.

&&

$$

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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