734  
FNUS76 KMFR 240618  
FWSMFR  
 
SPOT FORECAST FOR BIG SPRINGS RX...CAL-FIRE SKU / BURNBOT  
NATIONAL WEATHER SERVICE MEDFORD OR  
1118 PM PDT WED SEP 23 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1201 PDT ON SEPTEMBER 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..GUSTY SOUTH WINDS THURSDAY AFTERNOON INTO THE EARLY EVENING
 
 
   
DISCUSSION
 
VERY WARM AND DRY CONDITIONS WILL BE ACCOMPANIED BY  
RAPIDLY STRENGTHENING SOUTH WINDS IN THE EARLY AFTERNOON, WITH  
GUSTS UP TO 30 MPH. MEANTIME, HUMIDITIES WILL NOT BE QUITE LOW  
ENOUGH TO REACH CRITICAL THRESHOLDS. A FRONT WILL FOLLOW  
LATE THURSDAY NIGHT WITH A MEASUREABLE AMOUNT OF RAIN POSSIBLE.  
IT WILL BE MUCH COOLER ON FRIDAY WITH A HIGH SEVERAL DEGREES  
BELOW NORMAL AND BREEZY NORTH TO NORTHWEST WINDS. A GRADUAL  
WARMING TREND FOLLOWS WITH TEMPERATURES NEAR NORMAL AND  
WEAKER WINDS DURING THE WEEKEND.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) WITH HIGH CLOUDS.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........18 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH WITH GUSTS TO  
AROUND 12 MPH IN THE AFTERNOON.  
WIND (20 FT)........LIGHT WINDS IN THE MORNING. SOUTH WINDS 15 TO  
20 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......7500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH INCREASING TO 18 MPH.  
CWR.................0 PERCENT.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) WITH A CHANCE OF  
RAIN LATE. ACCUMULATION OF A TRACE TO 0.02 INCHES.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........80 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS 3 TO 6 MPH WITH GUSTS TO 11 MPH SHIFTING  
TO NORTH 2 TO 4 MPH OVERNIGHT.  
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH EARLY  
IN THE EVENING, SHIFTING TO NORTH AROUND 5 MPH IN  
THE EVENING, THEN NORTH 7 TO 10 MPH LATE.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
CWR.................0 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........AFTER 8 AM, BECOMING MOSTLY SUNNY (35-45 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........30 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 3 MPH SHIFTING TO THE  
NORTH 3 TO 5 MPH WITH GUSTS AROUND 9 MPH IN THE  
AFTERNOON.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO  
NORTH 10 TO 15 MPH WITH GUSTS AROUND 20 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......6200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 11 MPH.  
CWR.................0 PERCENT.  
 

 
FORECASTER...WEYGAND  
REQUESTED BY...JACOB CLAUSEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2621437.2/MFR  
.DELDT 09/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JACOB.CLAUSEN@BURNBOT.COM,KIERNAN.GIBBONS@BURNBOT.COM  
 
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