WWA Summary for Freezing Fog Advisory

Freezing Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
211 AM PST Mon Jan 12 2026

CAZ080-121900-
/O.EXA.KMFR.ZF.Y.0004.000000T0000Z-260112T1900Z/
Western Siskiyou County-
Including the following locations...Fort Jones, Greenview, Etna,
and Callahan
211 AM PST Mon Jan 12 2026

...FREEZING FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING IN
THE SCOTT VALLEY...

* WHAT...Visibility one quarter mile or less in freezing fog and
  locally slick conditions.

* WHERE...The Scott Valley in western Siskiyou County.

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

* IMPACTS...Low visibility could make driving conditions hazardous.
  Locally slick conditions are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
211 AM PST Mon Jan 12 2026

ORZ024-026-122000-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-260116T1200Z/
/O.CON.KMFR.ZF.Y.0004.000000T0000Z-260112T1900Z/
Eastern Curry County and Josephine County-Jackson County-
Including the following locations...Butte Falls, Jacksonville,
Wilderville, Gold Hill, Grants Pass, Applegate, Cave Junction,
Medford, Rogue River, Ashland, Shady Cove, and Merlin
211 AM PST Mon Jan 12 2026

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
WITHIN THE VALLEYS IN DOUGLAS, JOSEPHINE AND JACKSON COUNTIES...
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING...

* WHAT...For the Air Stagnation Advisory Within the valleys in
  Douglas, Josephine and Jackson Counties, poor air quality will
  continue. This is due to an inversion and stagnant air conditions
  near the surface that will continue to trap pollutants. For the
  Freezing Fog Advisory, visibility one quarter mile or less in
  freezing fog and possible locally slick conditions.

* WHERE...For the Air Stagnation Advisory, all low-lying areas in
  Jackson and Josephine counties. For the Freezing Fog Advisory, the
  Rogue, Applegate, and Illinois valleys in Jackson and Josephine
  counties.

* WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For
  the Freezing Fog Advisory, until 11 AM PST this morning.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.
  Most outdoor burning will likely be prohibited as poor ventilation
  continues. Low visibility could make driving conditions hazardous.
  Locally slick conditions are possible.

* ADDITIONAL DETAILS...A strong area of high pressure remains in
  place. This will lead to poor mixing of the atmosphere and the
  trapping of pollutants. The high looks to stay in place through
  the week ahead.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

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

Use caution when traveling in the morning.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
211 AM PST Mon Jan 12 2026

ORZ029-122000-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-260116T1200Z/
/O.CON.KMFR.ZF.Y.0004.000000T0000Z-260112T1900Z/
Klamath Basin-
Including the following locations...Olene, Midland, Altamont, and
Klamath Falls
211 AM PST Mon Jan 12 2026

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
WITHIN THE VALLEYS IN KLAMATH AND LAKE COUNTY...
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING...

* WHAT...For the Air Stagnation Advisory Within the valleys in
  Klamath and Lake County, poor air quality will continue. This is
  due to an inversion and stagnant air conditions near the surface
  that will continue to trap pollutants. For the Freezing Fog
  Advisory, visibility one quarter mile or less in freezing fog and
  locally slick conditions.

* WHERE...For the Air Stagnation Advisory, within the valleys of
  Klamath and Lake Counties. For the Freezing Fog Advisory, areas in
  the Klamath Basin near and south of Upper Klamath Lake.

* WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For
  the Freezing Fog Advisory, until 11 AM PST this morning.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.
  Most outdoor burning will likely be prohibited as poor ventilation
  continues. Low visibility could make driving conditions hazardous.
  Locally slick conditions are possible.

* ADDITIONAL DETAILS...A strong area of high pressure remains in
  place. This will lead to poor mixing of the atmosphere and the
  trapping of pollutants. The high looks to stay in place through
  the week ahead.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

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

&&

$$