561
FNUS76 KMFR 220409
FWSMFR
SPOT FORECAST FOR IRSC UNIT 1...US FOREST SERVICE
NATIONAL WEATHER SERVICE MEDFORD OR
809 PM PST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON JANUARY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WE'LL MAINTAIN DRY CONDITIONS OVER THE AREA THE NEXT
COUPLE OF DAYS. HIGH PRESSURE AND A STEEP INVERSION THURSDAY WILL
BRING MOSTLY LIGHT TERRAIN-DRIVEN FLOWS AND POOR TO MODERATE
VENTILATION. A DISTURBANCE COMING IN FROM THE NORTH FRIDAY COULD
BRING A SLIGHT UPTICK IN NORTHERLY WINDS AND BETTER AFTERNOON MIXING
FOLLOWED BY A SLIGHTLY COOLER AIR MASS THIS WEEKEND. NE WINDS PERSIST
SATURDAY, THEN SHIFT TO SOUTHERLY SUNDAY AFTERNOON. PRECIP CHANCES
REMAIN LOW THROUGH THE WEEKEND.
THURSDAY
SKY/WEATHER.........SUN AND SOME HIGH CLOUDS.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....52-56.
MIN HUMIDITY........35-40 PERCENT.
EYE LEVEL WINDS.....NE 1-3 MPH.
WIND (20 FT)........NE 3-6 MPH. PEAK GUSTS TO 11 MPH.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....NE 5-10 MPH.
CWR.................0 PERCENT.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (HIGH CLOUDS).
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....30-34.
MAX HUMIDITY........85-95 PERCENT.
EYE LEVEL WINDS.....NE 0-2 MPH.
WIND (20 FT)........NE 1-3 MPH.
MIXING HEIGHT.......LOWERING TO 200 FT AGL.
TRANSPORT WINDS.....N 5-10 MPH.
CWR.................0 PERCENT.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (HIGH CLOUDS), THEN BECOMING
MOSTLY SUNNY.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....50-54.
MIN HUMIDITY........45-50 PERCENT.
EYE LEVEL WINDS.....NE 1-2 MPH INCREASING TO 2-6 MPH.
WIND (20 FT)........NE 2-5 MPH INCREASING TO 5-10 MPH IN THE
AFTERNOON. GUSTS TO 15 MPH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....NE 10-15 MPH.
CWR.................0 PERCENT.
FORECASTER...SPILDE
REQUESTED BY...CHRISTOPHER SCHLOSSERPRUKOP
TYPE OF REQUEST...PRESCRIBED
.TAG 2600514.2/MFR
.DELDT 01/22/26
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTOPHER.SCHLOSSERPRUKOP@USAD.GOV
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