484
FXUS66 KMFR 191632
AFDMFR

Area Forecast Discussion
National Weather Service Medford OR
832 AM PST Wed Nov 19 2025

.DISCUSSION...Satellite image shows low clouds over similar areas
as yesterday morning. However, the clouds are starting to burn
off in portions of the Rogue Valley. The low clouds allowed
temperatures to remain above freezing for the interior valleys.
Low clouds in the Shasta, Scott, and Klamath River Valleys will
tend to persist through the morning, then lift as the next front
moves closer to the coast.

It will remain dry for most of the day. The exception will be
along the coast and just offshore as the next front moves in late
this afternoon, with rain arriving mid to late afternoon. Farther
inland, it should remain dry through the daylight hours.

The front will move inland later this evening and tonight and
this is where most of the rainfall will occur. Thursday morning,
the high res radar reflectivity shows most of the precipitation
confined to east of the Cascades, with post frontal showers along
the coast and coastal counties, with a general downward trend in
radar returns as the morning progresses. The afternoon could end
up dry for most locations as the upper low splits from the main
flow and moves south into northern California.

Changes to the forecast for today and tonight were made to
reflect the above mentioned. -Petrucelli


&&

.AVIATION...19/12z TAFs...Fog and/or low clouds are impacting the
terminals this morning. However, conditions are expected to
improve late this afternoon. An incoming system will bring
precipitation which will spread west to east today and tonight.
This will impact all terminals with MVFR clouds and some
visibility restrictions. Otherwise, generally expecting light wind
speeds through this stretch.

-Guerrero


&&

.MARINE...Updated 800 AM PST Wednesday, November 18, 2025...A
frontal system is expected to move into the waters late this morning
through this evening with gusty south winds and steep wind-driven
seas. Models show a potential for localized gales and seas to
briefly reach hazardous seas warning levels in the late afternoon
and evening, mainly for the waters beyond 10 nm from shore and for
the inner waters from Port Orford to Florence. Behind the front,
winds diminish and large long period swell arrives Thursday
afternoon and night. Guidance is showing the swell peaking in the 15-
18 foot range at 15 seconds Thursday afternoon through Thursday
night. Seas will remain steep through at least Friday but could
easily continue through the weekend.


&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...High Surf Advisory from 10 AM Thursday to 4 AM PST Friday for
     ORZ021-022.

CA...None.

PACIFIC COASTAL WATERS...Small Craft Advisory until 4 PM PST Friday
     for PZZ350-356-370-376.

&&

$$