Freezing Fog Advisory issued December 6 at 9:58PM AKST until December 7 at 9:00AM AKST by NWS Juneau AK
* WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...Glacier Bay and City and Borough of Juneau. * WHEN...Until 9 AM AKST Saturday. * IMPACTS...Hazardous driving and flying conditions due to low visibility, frozen roadways and runways. * ADDITIONAL DETAILS...Below freezing temperatures will cause wet surfaces to freeze and become extremely slippery. Temperatures are expected to stay below freezing throughout the night.
Dense Fog Advisory issued December 6 at 5:14PM AKST until December 7 at 9:00AM AKST by NWS Fairbanks AK
* WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Chatanika River Valley, Eielson AFB and Salcha, Fairbanks Metro Area, Goldstream Valley and Nenana Hills, Tanana Flats, and Two Rivers. * WHEN...From 10 PM this evening to 9 AM AKST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 5 at 5:37PM MST until December 6 at 11:00AM MST by NWS Salt Lake City UT
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northern Wasatch Front, Salt Lake Valley, and Tooele Valley. Especially along routes close to the Great Salt Lake including I-80 between Salt Lake City and Grantsville, and routes west of I-15 including the Legacy Highway and the West Davis Corridor. * WHEN...Until 11 AM MST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. When driving into the fog bank, expect rapidly deteriorating conditions. * ADDITIONAL DETAILS...Higher elevation locations, including benches, mainly along and east of I-15, as well as the west Salt Lake Valley bench are largely expected
Freezing Fog Advisory issued December 5 at 5:17PM PST until December 6 at 11:00AM PST by NWS Pendleton OR
* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...John Day Basin. * WHEN...Until 11 AM PST Friday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous.
Dense Fog Advisory issued December 5 at 4:03PM PST until December 6 at 11:00AM PST by NWS Portland OR
* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. For the Dense Fog Advisory, visibility frequently below one quarter mile in dense fog and areas of freezing fog. * WHERE...South Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Saturday. For the Dense Fog Advisory, until 11 AM PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Fog
Freezing Fog Advisory issued December 5 at 5:03PM MST until December 6 at 11:00AM MST by NWS Missoula MT
* WHAT...Visibility to one quarter mile in freezing fog. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 11 AM MST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. Watch out for black ice, particularly on bridges.
Dense Fog Advisory issued December 6 at 1:38AM MST until December 6 at 10:00AM MST by NWS Pocatello ID
* WHAT...Visibility less than one quarter of a mile in dense fog. * WHERE...Bear Lake Valley, including the towns of Montpelier, Paris, Georgetown, Bennington, Bloomington, Saint Charles, and Fish Haven. * WHEN...Until 10 AM MST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Dense fog can also deposit a thin layer of ice, commonly called Black Ice, on road surfaces and sidewalks, making them extremely slick.
Dense Fog Advisory issued December 6 at 1:25AM MST until December 7 at 11:00AM MST by NWS Boise ID
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Treasure Valley Zones and the Weiser Basin. * WHEN...For the Dense Fog Advisory, until 11 AM MST Saturday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous. Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL
Dense Fog Advisory issued December 5 at 10:49PM AKST until December 6 at 9:00AM AKST by NWS Fairbanks AK
* WHAT...Visibility down to 1/4 mile or less with dense fog in Fairbanks North Star Borough. * WHERE...Chatanika River Valley, Eielson AFB and Salcha, Fairbanks Metro Area, Goldstream Valley and Nenana Hills, Tanana Flats, Two Rivers, and Upper Chena River Valley. * WHEN...Until 9 AM AKST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Any wet surfaces from previous freezing rain and drizzle will freeze, making for very slick travel.
Freezing Fog Advisory issued December 5 at 7:27PM PST until December 6 at 8:00AM PST by NWS Reno NV
* WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In California, Lassen-Eastern Plumas-Eastern Sierra Counties. In Nevada, Northern Washoe County and Western Nevada Basin and Range including Pyramid Lake. * WHEN...Until 8 AM PST Friday. * IMPACTS...Low visibility could make driving conditions hazardous.