644  
FNUS76 KMFR 201453  
FWSMFR  
 
SPOT FORECAST FOR SPRING...CALFIRE  
NATIONAL WEATHER SERVICE MEDFORD OR  
753 AM PDT TUE MAY 20 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 PDT ON MAY 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
NORTH-NORTHWEST WINDS WILL BE SLIGHTLY  
STRONGER THAN TYPICAL TODAY, WITH THE REGION BETWEEN  
HIGH PRESSURE NEAR THE COAST AND A THERMAL TROUGH TO THE SOUTH.  
THE RIDGE WILL MOVE INLAND WEDNESDAY TO PROVIDE ADDITIONAL  
HEATING. A WEAK DISTURBANCE WILL BRUSH PAST ON THURSDAY  
MORNING WITH TEMPERATURES NUDGING BACK DOWN TO AROUND NORMAL,  
INCREASED CLOUDS AND PERHAPS A SPRINKLE. ANOTHER WEAK SYSTEM  
WILL ENHANCE CLOUD COVER ON FRIDAY. DRY AND WARMER WEATHER IS  
LIKELY THIS WEEKEND.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........24 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 4 MPH.  
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 13 MPH.  
CWR.................0 PERCENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 42.  
MAX HUMIDITY........68 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS UP TO 4 MPH, BECOMING  
LIGHT WINDS.  
WIND (20 FT)........NORTHWEST WINDS 7 TO 10 MPH DECREASING  
TO AROUND 4 MPH.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH BECOMING NORTHEAST 4 MPH.  
CWR.................0 PERCENT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........22 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 2 MPH. POSSIBLY  
BRIEFLY BECOMING LIGHT SOUTH IN THE AFTERNOON.  
NORTHWEST AROUND 4 MPH IN THE EARLY EVENING.  
WIND (20 FT)........NORTHWEST WINDS 3 TO 5 MPH. WINDS MAY  
BRIEFLY BECOME LIGHT SOUTH 3 MPH IN THE  
AFTERNOON BEFORE VEERING TO NORTHWEST THEN  
NORTH AND INCREASING TO AROUND 10 MPH IN  
THE EARLY EVENING.  
MIXING HEIGHT.......7400 FT AGL.  
TRANSPORT WINDS.....NORTH 4 MPH BECOMING NORTHWEST AROUND 6 MPH.  
CWR.................0 PERCENT.  
 

 
FORECASTER...WEYGAND  
REQUESTED BY...COM OP MARIEANGE DOBRESK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2514333.0/MFR  
.DELDT 05/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SKU.ECC@FIRE.CA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OR Page
The Nexlab CA Page Main Text Page