Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
319 AM CST Thu Nov 27 2025
NDZ001>003-009>011-017>022-034>036-046-047-050-271600-
/O.CON.KBIS.FG.Y.0019.000000T0000Z-251127T1600Z/
Divide-Burke-Renville-Williams-Mountrail-Ward-McKenzie-Dunn-Mercer-
Oliver-McLean-Sheridan-Morton-Burleigh-Kidder-Emmons-Logan-McIntosh-
Including the cities of Center, Mcclusky, Bowbells, Watford City,
Washburn, Sherwood, Lignite, Portal, Turtle Lake, Linton, Goodrich,
Hazen, Strasburg, Mandan, Powers Lake, New Town, Wilton, Napoleon,
Garrison, Mohall, Minot, Glenburn, Bismarck, Wishek, Ashley, Crosby,
Beulah, Tappen, Parshall, Halliday, Stanley, Killdeer, Columbus,
Gackle, Underwood, Steele, and Williston
319 AM CST Thu Nov 27 2025 /219 AM MST Thu Nov 27 2025/
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST /9 AM MST/
THIS MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of north central, northwest, and south central
North Dakota.
* WHEN...Until 10 AM CST /9 AM MST/ 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.
&&
$$
Adam
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
1227 AM PST Thu Nov 27 2025
CAZ510-271630-
/O.CON.KMTR.FG.Y.0031.000000T0000Z-251127T1800Z/
East Bay Interior Valleys-
1227 AM PST Thu Nov 27 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...East Bay Interior Valleys.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
Limited visibility will result in hazardous driving conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
If commuting, allow extra drive time to reach your destination
safely.
&&
$$
JM
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
1227 AM PST Thu Nov 27 2025
CAZ506-271630-
/O.EXA.KMTR.FG.Y.0031.000000T0000Z-251127T1800Z/
North Bay Interior Valleys-
1227 AM PST Thu Nov 27 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...North Bay Interior Valleys.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
Limited visibility will result in hazardous driving conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
If commuting, allow extra drive time to reach your destination
safely.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1135 PM PST Wed Nov 26 2025
ORZ505-507-508-510-511-271545-
/O.CON.KPDT.FG.Y.0014.000000T0000Z-251127T1800Z/
John Day Basin-Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Southern Blue Mountains of Oregon-North Central
Oregon-Central Oregon-
Including the cities of Heppner, Athena, Dayville, Mitchell,
Fossil, Madras, Condon, Prineville, John Day, Monument, Moro,
Pilot Rock, Maupin, Dufur, Redmond, Bend, Spray, and Pendleton
1135 PM PST Wed Nov 26 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Foothills of the Blue Mountains of Oregon, John Day Basin,
North Central Oregon, and Central Oregon.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
MR
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1135 PM PST Wed Nov 26 2025
WAZ029-271545-
/O.EXA.KPDT.FG.Y.0014.000000T0000Z-251127T1800Z/
Foothills of the Blue Mountains of Washington-
Including the cities of Dayton, Waitsburg, and Walla Walla
1135 PM PST Wed Nov 26 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...Until 10 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
943 PM PST Wed Nov 26 2025
CAZ301>303-305>307-309>312-314-315-271530-
/O.CON.KHNX.FG.Y.0030.000000T0000Z-251127T2100Z/
Los Banos - Dos Palos-Merced - Madera - Mendota-Planada - Le
Grand - Snelling-West Side of Fresno and Kings Counties-Caruthers
- San Joaquin - Selma-Fresno-Clovis-Buttonwillow - Lost Hills -
I5-Delano-Wasco-Shafter-Hanford - Corcoran - Lemoore-Visalia -
Porterville - Reedley-Bakersfield-Southeast San Joaquin Valley-
Including the cities of Lemoore Station, Merced, Selma, Lake
Mcclure, Kingsburg, Lemoore, Atwater, Madera, Fresno, Corcoran,
Kettleman City, Bakersfield, Buttonwillow, Los Banos, Lost Hills,
Five Points, Porterville, Shafter, Alpaugh, Parlier, Richgrove,
Kerman, Visalia, Wasco, Sanger, Delano, Hanford, Tulare, Planada,
Goshen, and Le Grand
943 PM PST Wed Nov 26 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...A portion of central California.
* WHEN...Until 1 PM PST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways impacted include, but are not
limited to, Interstate 5, as well as California State Routes 99,
33, 41, 43, 46, 59, 152, 165, 168, 180, and 198.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
JPK
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
903 PM PST Wed Nov 26 2025
PZZ530-271315-
/O.NEW.KMTR.MF.Y.0015.251127T0503Z-251127T1800Z/
San Pablo Bay, Suisun Bay, the West Delta and the San Francisco
Bay north of the Bay Bridge-
903 PM PST Wed Nov 26 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY...
* WHAT...Dense fog will reduce visibility to 1/4 to 1/2 NM.
* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San
Francisco Bay north of the Bay Bridge.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Low visibility will make navigation difficult.
* ADDITIONAL DETAILS...Worst conditions expected in the Delta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
135 PM PST Wed Nov 26 2025
CAZ015>019-271900-
/O.NEW.KSTO.FG.Y.0011.251127T0800Z-251127T1900Z/
Northern Sacramento Valley-Central Sacramento Valley-Southern
Sacramento Valley-Carquinez Strait and Delta-Northern San Joaquin
Valley-
Including the cities of Oroville, Red Bluff, Redding,
Marysville/Yuba City, Sacramento, Modesto, Chico, Stockton, and
Fairfield/Suisun
135 PM PST Wed Nov 26 2025
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PST
THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Carquinez Strait and Delta, Sacramento Valley, and
Northern San Joaquin Valley.
* WHEN...From midnight tonight to 11 AM PST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Find the latest road conditions at
quickmap.dot.ca.gov
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
For more information, visit us at www.weather.gov/sto/
SP
