496
FNUS76 KMFR 181744
FWSMFR
SPOT FORECAST FOR FIELDER MTN....OREGON DEPT. OF FORESTRY
NATIONAL WEATHER SERVICE MEDFORD OR
1044 AM PDT TUE AUG 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 1100 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS WILL CONTINUE WITH TYPICAL SUMMER
CONDITIONS. AFTERNOON BREEZES WILL BE SLIGHTLY ENHANCED TODAY WITH
DAYTIME RHS TRENDING DOWN TO THE UPPER TEENS AS TEMPERATURES TREND
UPWARD. NOT MUCH CHANGE IS EXPECTED THROUGH THURSDAY, THOUGH
AFTERNOON BREEZES WILL TREND SLIGHTLY WEAKER COMPARED TO TODAY.
AN OFFSHORE TROUGH WILL IMPACT THE REGION THU-SAT, BRINGING GUSTY
NORTHWEST WINDS AND SOME POTENTIAL FOR LIGHTNING. DESPITE GUSTY
WINDS PEAKING ON FRIDAY, DAYTIME RHS WILL TREND UP SOME ON FRIDAY
WHICH SHOULD LIMIT THE POTENTIAL FOR CRITICAL CONDITIONS. CURRENT
DATA SUGGESTS BEST CHANCES FOR LIGHTNING WILL BE NORTH AND EAST OF
THE FIRE, BUT THE PATTERN BEARS WATCHING FOR POTENTIAL WESTWARD
SHIFTS IN LIGHTNING POTENTIAL.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........15-20 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST AROUND 5-7 MPH
WITH GUSTS TO 12 MPH. WINDS BECOME NORTH THIS EVENING.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 8-10 MPH
WITH GUSTS TO 15 MPH. WINDS BECOME NORTH THIS EVENING.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH.
CWR.................0 PERCENT.
TIME (PDT) 11 AM 2 PM 5 PM
SKY COVER.......MCLEAR CLEAR CLEAR
CWR.............0 0 0
CHC OF LTNG (%).0 0 0
TEMP............77 89 93
RH..............45 28 18
20 FT WIND......W 4G6 W 6G10 NW 9G14
EYE LEVEL WIND..W 1G2 W 5G9 NW 6G10
MIX HGT (FT)....4500 6600 5300
TRANSPORT WIND..NW 3 NW 7 N 12
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........77 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 5-7 MPH SHIFTING TO THE
WEST AROUND 2 MPH AFTER SUNSET.
WIND (20 FT)........NORTH WINDS AROUND 7-10 MPH WITH GUSTS TO 15 MPH
IN THE EVENING, BECOMING WEST 5 TO 6 MPH AFTER SUNSET.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 12 MPH IN THE EVENING, BECOMING NORTHWEST
TO 3 MPH OVERNIGHT.
CWR.................0 PERCENT.
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM
SKY COVER.......MCLEAR CLEAR MCLEAR PCLDY
CWR.............0 0 0 0
CHC OF LTNG (%).0 0 0 0
TEMP............92 79 68 61
RH..............20 38 57 69
20 FT WIND......N 10G15 W 5G7 W 5G7 W 5G7
EYE LEVEL WIND..NW 7G11 W 2G3 W 2G3 W 2G3
MIX HGT (FT)....5300 900 200 400
TRANSPORT WIND..N 12 N 9 NW 6 NW 5
WEDNESDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........18-22 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST AROUND 5-7 MPH
WITH GUSTS TO 12 MPH. WINDS BECOME NORTH IN THE EVENING.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 8-10 MPH
WITH GUSTS TO 15 MPH. WINDS BECOME NORTH IN THE EVENING.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
CWR.................0 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......PCLDY PCLDY MCLEAR CLEAR
CWR.............0 0 0 0
CHC OF LTNG (%).0 0 0 0
TEMP............57 64 80 92
RH..............75 63 41 26
20 FT WIND......W 6G8 W 2G5 W 6G8 NW 7G11
EYE LEVEL WIND..W 2G3 W 1G2 W 2G3 NW 3G4
MIX HGT (FT)....300 1700 3900 5200
TRANSPORT WIND..NW 3 N 2 NW 3 NW 7
FORECASTER...FIRMIN
REQUESTED BY...MATT MACKEY
TYPE OF REQUEST...WILDFIRE
.TAG 2619922.0/MFR
.DELDT 08/18/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLE.F.KAUPP@ODF.OREGON.GOV,MATT.A.MACKEY@ODF.OREGON.GOV
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