889
FNUS76 KMFR 180806
FWSMFR

Spot Forecast for Munson Valley...NPS
National Weather Service MEDFORD OR
106 AM PDT Sat Oct 18 2025

Forecast is based on ignition time of 0700 PDT on October 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
A strong inversion will be in place through the morning hours, but
we expect mixing to start around 11 am to noon. Thereafter, mixing
is expected to occur; however, heights will be poor throughout
the day, and will likely struggle to reach 2000 feet. Expect
mostly sunny skies throughout the day. Wind speeds  will
generally be light today. Winds increase with gusty winds expected
Saturday night and continuing through the day on Sunday.


.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Chance of lightning.0 percent.
Max temperature.....Around 59.
Min humidity........30-35 percent.
Eye level winds.....Southeast winds around 2 mph shifting to the
                    southwest 2 to 4 in the afternoon.
Wind (20 ft)........Southeast winds around 5 mph shifting to the
                    southwest 5 to 8 mph in the afternoon.
Mixing height.......2000 ft AGL.
Transport winds.....Southwest around 8 mph.
CWR.................0 percent.

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent) then becoming
                    mostly cloudy (65-75 percent). Chance of rain
                    in the late evening and overnight. Rain likely
                    after 3 am.
Chance of lightning.1 percent.
Min temperature.....Around 34.
Max humidity........100 percent.
Eye level winds.....West winds 3 to 4 mph shifting to the
                    southwest 6 to 9 mph with gusts to around 15
                    mph overnight.
Wind (20 ft)........West winds 7 to 8 mph shifting to the southwest
                    13 to 20 mph with gusts to around 30 mph
                    overnight.
Mixing height.......0 ft AGL.
Transport winds.....West around 18 mph.
CWR.................15 percent.

.SUNDAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (45-55 percent). Rain likely in
                    the morning. Snow likely late in the morning,
                    then slight chance of snow in the afternoon.
Chance of lightning.4 percent.
Max temperature.....Around 38.
Min humidity........80 percent.
Eye level winds.....West winds 7 to 9 mph with gusts to around 15
                    mph.
Wind (20 ft)........West winds 15 to 19 mph with gusts to around 30
                    mph.
Mixing height.......1900 ft AGL.
Transport winds.....West around 25 mph.
CWR.................52 percent.

$$
Forecaster...CLARSTROM
Requested by...Scott Wickham
Type of request...PRESCRIBED
.TAG 2523761.1/MFR
.DELDT 10/18/25
.FormatterVersion 2.0.0
.EMAIL scott_wickham@nps.gov