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Dense Fog Advisory


URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
758 AM MST Thu Dec 4 2025

COZ084-085-041600-
/O.EXT.KPUB.FG.Y.0009.000000T0000Z-251204T1600Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-Colorado Springs Vicinity/Southern El Paso
County/Rampart Range Below 7400 Feet-
Including Black Forest, Peterson Space Force Base, and Colorado
Springs
758 AM MST Thu Dec 4 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM MST THIS MORNING...

* WHAT...Visibility less than 1/4 mile in areas of dense fog,
  especially for central and southern portions of the county.

* WHERE...El Paso.

* WHEN...Until 9 AM MST this morning.

* IMPACTS...Low visibility and icy roadways will make driving
  conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
758 AM MST Thu Dec 4 2025

COZ086-041600-
/O.EXT.KPUB.FG.Y.0009.000000T0000Z-251204T1600Z/
Pueblo Vicinity/Pueblo County Below 6300 Feet-
Including Pueblo
758 AM MST Thu Dec 4 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM MST THIS MORNING...

* WHAT...Visibility below 1/4 mile at times in areas of dense fog.

* WHERE...Pueblo.

* WHEN...Until 9 AM MST this morning.

* IMPACTS...Low visibility combined with th icy roadways will make
  driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Visit us at http://www.weather.gov/pub

KT

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
319 AM PST Thu Dec 4 2025

CAZ335-041900-
/O.NEW.KHNX.FG.Y.0036.251204T1119Z-251204T1900Z/
Grapevine-
Including the cities of Grapevine and Lebec
319 AM PST Thu Dec 4 2025

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

* WHAT...Visibility of a quarter to a half mile in dense fog.

* WHERE...Grapevine.

* WHEN...Until 11 AM PST 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1049 PM PST Wed Dec 3 2025

ORZ507-WAZ029-041900-
/O.CON.KPDT.FG.Y.0015.000000T0000Z-251204T1900Z/
Foothills of the Northern Blue Mountains of Oregon-Foothills of
the Blue Mountains of Washington-
Including the cities of Dayton, Athena, Pilot Rock, Pendleton,
Waitsburg, and Walla Walla
1049 PM PST Wed Dec 3 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THURSDAY...

* WHAT...Visibilities from one and a half miles to a quarter mile in
  dense fog.

* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
  Oregon. In Washington, Foothills of the Blue Mountains of
  Washington.

* WHEN...Until 11 AM PST Thursday.

* 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.

&&

$$

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

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Page last modified: June 2, 2009
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