586  
FNUS76 KMFR 290043  
FWSMFR  
 
SPOT FORECAST FOR RANCHERO UB...BLM  
NATIONAL WEATHER SERVICE MEDFORD OR  
543 PM PDT TUE APR 28 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
WEDNESDAY AND THURSDAY WILL BE VERY SIMILAR OVERALL,  
WITH THE ONLY MAIN DIFFERENCE BEING THURSDAY WILL BE ABOUT 5 TO 7  
DEGREES WARMER. THE WARM AND DRY TREND CONTINUES FRIDAY, BUT WITH  
GENERAL SOUTH FLOW DEVELOPING, INCREASING CLOUD COVER WILL HELP  
TO KEEP TEMPERATURES A BIT COOLER THAN THURSDAY. THIS SOUTH FLOW  
WILL ALSO PRODUCE INCREASING CHANCES FOR SHOWERS AND ISOLATED  
AFTERNOON THUNDERSTORMS, ESPECIALLY SATURDAY AND SUNDAY.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........AROUND 35 PERCENT.  
EYE LEVEL WINDS.....LIGHT DOWNSLOPE/DOWNVALLEY IN THE MORNING,  
BECOMING UPSLOPE LATE MORNING, THEN WEST TO  
NORTHWEST 2-4 MPH IN THE AFTERNOON.  
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 1-2 MPH IN THE MORNING,  
BECOMING UPSLOPE LATE MORNING, THEN WEST TO  
NORTHWEST 4-7 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 7 MPH.  
CWR.................0 PERCENT.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....AROUND 43.  
MAX HUMIDITY........75-80 PERCENT.  
EYE LEVEL WINDS.....EAST (DOWNSLOPE) 1-2 MPH.  
WIND (20 FT)........EAST (DOWNSLOPE) 2-3 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 4 MPH.  
CWR.................0 PERCENT.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........30-35 PERCENT.  
EYE LEVEL WINDS.....EAST (DOWNSLOPE) 1-2 MPH IN THE MORNING,  
BECOMING UPSLOPE LATE MORNING, THEN WEST TO  
NORTHWEST 2-4 MPH IN THE AFTERNOON.  
WIND (20 FT)........EAST (DOWNSLOPE) 2-3 MPH IN THE MORNING,  
BECOMING UPSLOPE LATE MORNING, THEN WEST TO  
NORTHWEST 4-7 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......7600 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 8 MPH.  
CWR.................0 PERCENT.  
 

 
FORECASTER...NIEUWENHUIS  
REQUESTED BY...KIT COLBENSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612010.0/MFR  
.DELDT 04/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KCOLBENSON@BLM.GOV  
 
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