350  
FNUS76 KMFR 040303  
FWSMFR  
 
SPOT FORECAST FOR SISKIYOU FIELD WEEK...SISKIYOU RAPPEL CREW (USFS)  
NATIONAL WEATHER SERVICE MEDFORD OR  
803 PM PDT SUN MAY 3 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON MAY 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
COMPARED TO SUNDAY, LOW PRESSURE MOVING INLAND ON  
MONDAY WILL SHIFT THE REGION OF INSTABILITY WELL EAST OF THE SITE,  
WITH ISOLATED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS  
EXPECTED TO BE LIMITED TO NEAR THE CASCADES, FROM AROUND LAKE OF  
THE WOODS SOUTHWARD TO MT. SHASTA. THEN, A LESSER SLIGHT CHANCE  
RISK IN EITHER MUCH THE SAME AREA, OR FARTHER TO THE SOUTHEAST ON  
TUESDAY. FOR THE SITE, LINGERING LOW LEVEL MOISTURE IS EXPECTED TO  
PRODUCE CLOUDS ON MONDAY WITH BREAKS IN THE AFTERNOON. LOW CLOUDS  
THICKEN AGAIN MONDAY NIGHT, BUT THEY WILL HAVE MUCH MORE SUCCESS  
AT DIMINISHING ON TUESDAY WITH SUNNY SKIES LIKELY BY 10 AM. WARM  
AND DRY CONDITIONS WILL THEN CONTINUE THROUGH THE REST OF THE  
WEEK.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-50 PERCENT) IN THE MORNING,  
THEN BECOMING SUNNY (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........33 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH UP TO 3 MPH.  
WIND (20 FT)........LIGHT NORTHEAST WINDS BECOMING NORTH  
7 TO 10 MPH AFTER 3 PM IN THE AFTERNOON.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH INCREASING TO 9 MPH.  
CWR.................0 PERCENT.  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 50.  
MAX HUMIDITY........76 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 2 MPH IN THE EVENING  
BECOMING LIGHT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH BECOMING NORTHEAST  
3 MPH.  
CWR.................0 PERCENT.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........26 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS.  
WIND (20 FT)........LIGHT NORTH WINDS BECOMING NORTH  
4 TO 7 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......5800 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 4 MPH.  
CWR.................0 PERCENT.  
 
 
FORECASTER...WEYGAND  
REQUESTED BY...SCOTT MCINTYRE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612458.0/MFR  
.DELDT 05/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL FORESTLIFER@GMAIL.COM  
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