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Monday, Dec 08, 2025 11:50:33

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Dense Fog Advisory 0014
Issued by the Denver / Boulder Forecast Office

Action Issued Starts Expiration
New 2025-12-03 22:23:05 2025-12-03 22:22:00 2025-12-04 11:00:00
Expired 2025-12-04 10:50:22 2025-12-04 11:00:00


Action: New
Issued At: 2025-12-03 22:23:05

141 
WWUS75 KBOU 040422
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
922 PM MST Wed Dec 3 2025

COZ038-043-044-041700-
/O.NEW.KBOU.FG.Y.0014.251204T0422Z-251204T1700Z/
Larimer County Below 6000 Feet/Northwest Weld County-Central and
South Weld County-Morgan County-
Including the cities of Brush, Fort Lupton, Greeley, Loveland, Eaton,
Goodrich, Fort Collins, Hereford, Roggen, Fort Morgan, Wiggins, and
Nunn
922 PM MST Wed Dec 3 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST THURSDAY...

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

* WHERE...Eastern Larimer, Central Weld, and Morgan Counties,
  including Fort Collins, Greeley, and Fort Morgan.

* WHEN...Until 10 AM MST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/bou


Action: Expired
Issued At: 2025-12-04 10:50:22

426 
WWUS75 KBOU 041649
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
949 AM MST Thu Dec 4 2025

COZ038-043-044-041800-
/O.EXP.KBOU.FG.Y.0014.000000T0000Z-251204T1700Z/
Larimer County Below 6000 Feet/Northwest Weld County-Central and
South Weld County-Morgan County-
Including the cities of Greeley, Fort Collins, Fort Lupton, Brush,
Eaton, Fort Morgan, Hereford, Goodrich, Wiggins, Nunn, Loveland, and
Roggen
949 AM MST Thu Dec 4 2025

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM MST THIS MORNING...

Widespread dense fog has ended, therefore the Dense Fog Advisory will
be allowed to expired. An area of fog along I-76 in Morgan County has
been slow to dissipate may linger another hour (until 11 AM).

$$

For more information from the National Weather Service, visit
https://weather.gov/bou

Meier



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