720  
FNUS76 KMFR 020202  
FWSMFR  
 
SPOT FORECAST FOR CASTLE...USFS  
NATIONAL WEATHER SERVICE MEDFORD OR  
702 PM PDT TUE SEP 1 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON SEPTEMBER 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A STRONG FRONT MOVES INLAND WEDNESDAY INTO WEDNESDAY NIGHT WITH  
FURTHER SIGNIFICANT COOLING, A WETTING RAIN, AND A SLIGHT CHANCE  
OF AFTERNOON THUNDERSTORMS. A SHOWERY PATTERN WILL FOLLOW THURSDAY  
INTO FRIDAY WITH AN ADDITIONAL WETTING RAIN LIKELY ON BOTH DAYS.  
WARMER, BUT STILL BELOW NORMAL TEMPERATURES, AND ADDITIONAL LIGHT  
SHOWER CHANCES ARE EXPECTED ON THE WEEKEND INTO MONDAY NIGHT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN LIKELY IN THE  
MORNING, MAINLY AFTER 10 AM,  
THEN RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. RAIN OF  
AROUND 0.60 INCHES.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....AROUND 56.  
MIN HUMIDITY........84 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 2 TO 3 MPH  
IN THE MORNING.  
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH.  
CWR.................100 PERCENT.  
 
TIME (PDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......CLOUDY MCLDY CLOUDY CLOUDY  
WEATHER COV..... LIKELY DEFNTE DEFNTE  
WEATHER TYPE....NONE RAIN RAIN RAIN  
TSTM COV........  
CWR.............100 100 100 100  
CHC OF LTNG (%).0 0 10 10  
TEMP............49 51 52 54  
RH..............92 88 90 86  
20 FT WIND......S 4G6 S 6G10 S 6G10 S 5G7  
EYE LEVEL WIND..S 1G2 S 2G4 S 2G4 S 2G3  
MIX HGT (FT)....600 2600 2500 2200  
TRANSPORT WIND..S 12 S 18 S 21 SW 17  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN RAIN OVERNIGHT. RAIN OF AROUND 0.35 INCHES.  
CHANCE OF LIGHTNING.15 PERCENT.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........100 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 2 MPH BECOMING LIGHT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH BECOMING LIGHT.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE EVENING.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 12 MPH.  
CWR.................100 PERCENT.  
 
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM  
SKY COVER.......CLOUDY CLOUDY CLOUDY MCLDY  
WEATHER COV.....DEFNTE DEFNTE DEFNTE CHANCE  
WEATHER TYPE....RNSHWR RAIN RAIN RAIN  
TSTM COV........S CHC  
CWR.............100 100 100 100  
CHC OF LTNG (%).20 10 10 10  
TEMP............54 53 52 48  
RH..............87 88 92 96  
20 FT WIND......SW 5G7 S 6G8 SW 6G8 SW 5G7  
EYE LEVEL WIND..SW 2G3 S 2G3 SW 2G3 SW 2G3  
MIX HGT (FT)....1700 1100 800 900  
TRANSPORT WIND..SW 12 SW 10 SW 10 SW 6  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
LIKELY, AND A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. RAIN OF AROUND 0.20 INCHES.  
CHANCE OF LIGHTNING.20 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........64 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 3 MPH  
EARLY IN THE MORNING.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE  
MORNING.  
MIXING HEIGHT.......5300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 13 MPH.  
CWR.................80 PERCENT.  
 
TIME (PDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY  
WEATHER COV..... LIKELY LIKELY LIKELY  
WEATHER TYPE....RAIN RAIN RNSHWR RNSHWR  
TSTM COV........ S CHC S CHC  
CWR.............80 60 60 70  
CHC OF LTNG (%).10 10 20 20  
TEMP............46 48 53 56  
RH..............96 95 80 68  
20 FT WIND......S 4G6 S 5G7 S 7G11 SW 6G8  
EYE LEVEL WIND..S 1G2 S 2G3 S 3G4 SW 2G3  
MIX HGT (FT)....700 3100 5300 3100  
TRANSPORT WIND..SW 7 SW 8 SW 13 SW 13  
 

 
FORECASTER...WEYGAND  
REQUESTED BY...JENNIFER POWERS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621047.1/MFR  
.DELDT 09/02/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JENNIFER.POWERS@USDA.GOV  
 
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