052  
FNUS76 KMFR 191559  
FWSMFR  
 
SPOT FORECAST FOR MASTERSON LOOP...USFS  
NATIONAL WEATHER SERVICE MEDFORD OR  
859 AM PDT MON MAY 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON MAY 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SEASONABLE CONDITIONS ARE EXPECTED THIS WEEK,  
WARMEST AND DRIEST ON WEDNESDAY. A WEAK FRONT WILL BRING SOME  
MORNING CLOUDS TODAY. IT WILL REMAIN DRY, BUT WITH SOME INCREASING  
HIGH CLOUDS, AS ADDITIONAL WEAK DISTURBANCES PASS WELL TO THE  
NORTH ON TUESDAY AND WEDNESDAY. A STRONGER TROUGH THURSDAY NIGHT  
INTO FRIDAY WILL STILL ONLY BRING A SLIGHT CHANCE OF SHOWERS.  
 
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........26 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST UP TO 3 MPH  
IN THE AFTERNOON.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 4 TO 8 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......8300 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH BECOMING WEST 10 MPH.  
CWR.................0 PERCENT.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 42.  
MAX HUMIDITY........65 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS 2 TO 4 MPH IN THE EVENING  
THEN BECOMING LIGHT.  
WIND (20 FT)........NORTHWEST WINDS 3 TO 8 MPH IN THE EVENING THEN  
BECOMING LIGHT.  
MIXING HEIGHT.......1700 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 9 MPH.  
CWR.................0 PERCENT.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT). INCREASING CLOUDS IN  
THE EVENING.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........31 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST UP TO 3 MPH IN  
THE AFTERNOON.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 4 TO 8 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 9 MPH.  
CWR.................0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
FRIDAY
 
 
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 60S. NORTH WINDS AROUND 8 MPH.    
SATURDAY
 
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.  
NORTH WINDS AROUND 6 MPH.    
SUNDAY
 
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 7 MPH.  
 

 
FORECASTER...WEYGAND  
REQUESTED BY...PHILIP PARASHIS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514264.0/MFR  
.DELDT 05/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL PHILIP.PARASHIS@USDA.GOV  
 
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