846
WWUS85 KCYS 081506
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
906 AM MDT Fri Aug 8 2025

...RED FLAG CONDITIONS NOW EXPECTED THROUGH SATURDAY...

.Critical Fire Weather conditions are now expected to last through
Saturday. While Relative Humidity values may rise today (Friday),
winds will remain very gusty and then the region will dry back
out significantly tomorrow bringing teen to single digit RH
values. This will continue to promote a critical fire weather
environment to start the weekend.

WYZ422>426-091200-
/O.EXT.KCYS.FW.W.0017.000000T0000Z-250810T0000Z/
Central and West Carbon-Southwest Carbon County-
Sierra Madre Range/Medicine Bow NF-Upper North Platte River Basin-
Snowy Range/Medicine Bow NF-
906 AM MDT Fri Aug 8 2025

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM MDT SATURDAY FOR
GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONES 422, 423, 424, 425,
AND 426...

* AFFECTED AREA...Fire weather zones 422 through 426.

* WIND...West to southwest winds gusting 30-45 mph.

* HUMIDITY...Minimums of 10 to 20 percent Friday; 5 to 12 percent
  Saturday.

* 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.

&&

$$

WYZ419>421-427>429-091200-
/O.EXT.KCYS.FW.W.0017.000000T0000Z-250810T0000Z/
North Laramie Range and Adjacent High Plains-
North Laramie Valley/Shirley Basin-
Ferris/Seminoe/Shirley Mountains-North Snowy Range Foothills-
Southern Laramie Valley-Southern Laramie Range-
906 AM MDT Fri Aug 8 2025

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM MDT SATURDAY FOR
GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONES 419, 420, 421, 427,
428, AND 429...

* AFFECTED AREA...Fire weather zones 419 through 421, and 427
  through 429.

* WIND...West to southwest winds gusting 30-45 mph.

* HUMIDITY...Minimums of 10 to 20 percent Friday; 8 to 12 percent
  Saturday.

* 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.

&&

$$