366
WWUS85 KCYS 210135
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
735 PM MDT Sun Jul 20 2025

WYZ421-422-427-210245-
/O.CAN.KCYS.FW.W.0013.000000T0000Z-250721T0200Z/
Ferris/Seminoe/Shirley Mountains-Central and West Carbon-
North Snowy Range Foothills-
735 PM MDT Sun Jul 20 2025

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 421, 422, AND
427...

Relative humidity values have increased this evening as winds have
started to come down. Therefore, the Red Flag Warning will expire
on time at 8pm.

$$