512
WWUS85 KRIW 041911
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
111 PM MDT Fri Oct 4 2024

WYZ275>277-280>283-285>287-300-414-415-051300-
/O.CON.KRIW.FW.W.0022.000000T0000Z-241006T0100Z/
North Bighorn Basin/Worland BLM-Cody Foothills-
Lincoln and Uinta Counties/Lower Elevations-
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-Salt and Wyoming Ranges/West Zone Bridger Teton NF-
North Zone Bridger Teton NF and Grand Teton NP-
111 PM MDT Fri Oct 4 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT SATURDAY...

* 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...286...415.
  In Southwest WY Fire Zone....277.
  In West Central WY Fire Zone....414.

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

* IMPACTS: Low relative humidity, unseasonably warm temperatures,
  and very gusty westerly wind could cause erratic fire behavior.

* WIND: West 20 to 30 mph with gusts 30 to 40 mph. Occasional gusts
  50 to 60 mph along the crest and east slopes of fire zone 286.

* HUMIDITY: 9 to 13 percent.

* TEMPERATURES: Lower elevation high temperatures in the mid 70s to
  lower 80s Friday, and the upper 60s to lower 70s Saturday.
  Mountain high temperatures in the 60s Friday, and the 50s
  Saturday.

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.

&&

$$

WYZ278-279-288-289-416-051300-
/O.CON.KRIW.FW.W.0022.000000T0000Z-241006T0300Z/
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-
West Wind River Mountains/East Zone Bridger Teton NF-
111 PM MDT Fri Oct 4 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY...

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

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

* IMPACTS: Low relative humidity, unseasonably warm temperatures,
  and very gusty westerly wind could cause erratic fire behavior.

* WIND: West 20 to 30 mph with gusts 30 to 40 mph. Occasional gusts
  50 to 60 mph in fire zones 288 and 289.

* HUMIDITY: As low as 8 percent Friday, 13 to 18 percent Saturday.

* TEMPERATURES: Lower elevation high temperatures in the mid 70s to
  lower 80s Friday, and the upper 60s to lower 70s Saturday.
  Mountain high temperatures in the 60s Friday, and the 50s
  Saturday.

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.

&&

$$

WYZ140-051300-
/O.CON.KRIW.FW.W.0022.000000T0000Z-241005T1800Z/
Yellowstone National Park-
111 PM MDT Fri Oct 4 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY...

* IMPACTS: Low relative humidity, unseasonably warm temperatures,
  and very gusty westerly wind could cause erratic fire behavior.

* AFFECTED AREA:
  In Northwest WY...Fire Weather Zone 140.

* COUNTIES AFFECTED:
  In Northwest WY...Yellowstone National Park.

* WIND: Southwest 15 to 25 mph with gusts up to 35 mph. Occasional
  wind gusts 40 to 50 mph above 9000 feet.

* HUMIDITY: 15 to 20 percent.

* TEMPERATURES: Highs around 70, with 60s in the mountains. Lows
  Friday night in the mid 30s to lower 40s.

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