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Dense Fog Advisory 0009
Issued by the Cheyenne Forecast Office

Action Issued Starts Expiration
New 2026-09-22 08:51:45 2026-09-22 08:51:00 2026-09-22 12:00:00
Cancelled 2026-09-22 10:19:18 2026-09-22 12:00:00


Action: New
Issued At: 2026-09-22 08:51:45

864 
WWUS75 KCYS 221351
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
751 AM MDT Tue Sep 22 2026

WYZ117-118-221700-
/O.NEW.KCYS.FG.Y.0009.260922T1351Z-260922T1700Z/
South Laramie Range Foothills-Central Laramie County-
Including the cities of Federal, Cheyenne, Whitaker, and Horse Creek
751 AM MDT Tue Sep 22 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM MDT THIS MORNING...

* WHAT...Visibility one quarter of a mile or less in dense fog.

* WHERE...Central Laramie County and South Laramie Range Foothills.

* WHEN...Until 11 AM MDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

NB


Action: Cancelled
Issued At: 2026-09-22 10:19:18

106 
WWUS75 KCYS 221518
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
918 AM MDT Tue Sep 22 2026

WYZ117-118-221630-
/O.CAN.KCYS.FG.Y.0009.000000T0000Z-260922T1700Z/
South Laramie Range Foothills-Central Laramie County-
Including the cities of Federal, Cheyenne, Whitaker, and Horse Creek
918 AM MDT Tue Sep 22 2026

...DENSE FOG ADVISORY IS CANCELLED...

Improvements to visibility have been observed and are expected to
continue to improve over the next few hours.

$$

NB



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