NWS Medford OR
Jan-18 12:15 - Jan-21 4:00
* WHAT...For the Freezing Fog Advisory within the Illinois and lower
Rogue Valley in Josephine County, visibility under 1/4 mile in
dense freezing fog. For the Air Stagnation Advisory, decreased air
quality will likely continue. This is due to an inversion and
stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...For the Freezing Fog Advisory and Air Stagnation Advisory,
within the Illinois and lower Rogue Valley in Josephine County.
For the Air Stagnation Advisory, valleys in Josephine County.
* WHEN...For the Air Stagnation Advisory, until 4 PM PST Wednesday.
For the Freezing Fog Advisory, from 8 PM this evening to noon PST
Monday.
* IMPACTS...Low visibility could make driving conditions hazardous,
and locally slick conditions are possible.
Poor air quality may cause issues for people with respiratory
problems.
* ADDITIONAL DETAILS...A current Freezing Fog Advisory is going to
remain expired, as temperatures in the Illinois Valley and around
Grants Pass have risen above freezing. With cool temperatures
expected to return tonight into Monday morning, an Advisory is in
place to address those forecast conditions.