Hazard Report Provided By forecast.weather.gov

WYZ001>020-022>030-081900-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Lake, Mammoth, Old Faithful, Clark, Cody,
Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Thermopolis,
Ten Sleep, Worland, Buffalo, Kaycee, Jackson, Dubois, Riverton,
Shoshoni, Lander, Jeffrey City, Casper, Afton, Alpine,
Star Valley Ranch, Thayne, Pinedale, La Barge, Big Piney, Farson,
Kemmerer, Cokeville, Rock Springs, Green River, and Wamsutter
1210 PM MDT Fri Aug 7 2026

...AIR QUALITY ALERT IN EFFECT UNTIL NOON MDT MONDAY...

The following message is transmitted on behalf of the Wyoming
Department of Environmental Quality, Air Quality Division, and the
Wyoming Department of Health.

* WHAT...Air Quality Alert for Wildfire Smoke.

* WHERE...All of Western and Central Wyoming.

* WHEN...Now through Noon Monday.

* IMPACTS...Smoke from western United States wildfires continues to
  be observed across much of western and central Wyoming. The smoke
  is limiting visibilities at times.

HEALTH INFORMATION...The Wyoming Department of Health recommends
that the elderly, young children, and individuals with respiratory
problems avoid excessive physical exertion and minimize outdoor
activities during this time. Wildfire smoke is made up of a variety
of pollutants, including particulate matter and ozone, which can
cause respiratory health effects. Although these people are most
susceptible to health impacts, the Department of Health also advises
that everyone should avoid prolonged exposure to poor air quality
conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental
Quality, Air Quality Division offers near real-time air quality data
for Wyoming`s monitoring stations and health effects information to
help the public interpret current conditions. Current air quality
conditions across the state of Wyoming can be found at
http://www.wyvisnet.com/.

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
850 PM MDT Fri Aug 7 2026

WYZ140-275-276-280>283-285>287-300-081300-
/O.CON.KRIW.FW.W.0021.260808T1700Z-260810T0300Z/
Yellowstone National Park-North Bighorn Basin/Worland BLM-
Cody Foothills-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-
Casper Mountain-
850 PM MDT Fri Aug 7 2026

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

* AFFECTED AREA:
  In Central WY Fire Zones...280...283...285...300.
  In North Central WY Fire Zones...275...276...281...282...287.
  In Northwest WY Fire Zones...140...286.

* COUNTIES AFFECTED:
  In Central WY...Fremont...Natrona.
  In North Central WY...Big Horn...Hot Springs...Johnson...Park
  ...Washakie.
  In Northwest WY...Yellowstone National Park.

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

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

* HUMIDITY: As low as 8 percent. Humidity recovery each night will
  remain below 40 percent.

* TEMPERATURES: Highs in the upper 70s to middle 80s at higher
  elevations and middle 90s to upper 90s at lower elevations. Lows
  in the upper 40s to upper 50s at higher elevations and upper 50s
  to low 60s at lower elevations.

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

Hazard Report Provided By forecast.weather.gov