293  
FNUS76 KMFR 260352  
FWSMFR  
 
SPOT FORECAST FOR MAMMOTH...USFS- MODOC NF  
NATIONAL WEATHER SERVICE MEDFORD OR  
852 PM PDT FRI JUL 25 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 2100 PDT ON JULY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING
 
 
   
DISCUSSION
 
A FEW MORE CELLS ARE POSSIBLE THROUGH 9 PM BEFORE  
DRYING FOR THE NIGHT. THE STRONGER SOUTHERLY WINDS WILL BEGIN TO  
WEAKEN TONIGHT AS WELL. THERE WILL BE ANOTHER CHANCE FOR SHOWERS  
AND STORMS SATURDAY AFTERNOON. THIS TIMEFRAME IS LOOKING TO BE  
BETWEEN 3 PM TO 9 PM. GUSTY WINDS, LIGHTNING, AND SMALL HAIL WILL  
BE POSSIBLE. CELLS HAVE BEEN MOVING SLOWLY IN RECENT DAYS, SO HEAVY  
RAIN IS POSSIBLE. FOR NOW, A 15 TO 20 PERCENT CHANCE OF A SHOWER IS  
PRESENT SUNDAY AFTERNOON.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY TO PARTLY CLOUDY. SCATTERED  
SHOWERS (40 TO 50 PERCENT) AND THUNDERSTORMS  
(30 TO 40 PERCENT) THROUGH 9 PM.  
CHANCE OF LIGHTNING.33 PERCENT.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........75 TO 80 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 6 MPH. GUSTS UP TO 8 MPH  
LATE IN THE EVENING. WINDS WILL WEAKEN  
OVERNIGHT.  
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH, WEAKENING TO 5 TO  
8 MPH OVERNIGHT. GUSTS UP TO 22 MPH,  
WEAKENING TO 10 MPH OVERNIGHT. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE EVENING.  
CWR.................42 PERCENT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY TO PARTLY SUNNY. HAZE. CHANCE OF RAIN  
SHOWERS (20 TO 30 PERCENT) IN THE AFTERNOON.  
SLIGHT CHANCE OF THUNDERSTORMS (15 TO 25  
PERCENT) IN THE AFTERNOON.  
CHANCE OF LIGHTNING.22 PERCENT.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........30 TO 35 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS AROUND 3 MPH SHIFTING TO THE WEST  
UP TO 3 MPH IN THE AFTERNOON.  
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH SHIFTING TO THE WEST 5  
TO 8 MPH IN THE AFTERNOON. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
CWR.................22 PERCENT.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........SLIGHT CHANCE OF THUNDERSTORMS AND SHOWERS  
(15 TO 25 PERCENT) EARLY IN THE EVENING.  
CHANCE OF LIGHTNING.15 PERCENT.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........70 TO 75 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 2 MPH IN THE EVENING  
BECOMING LIGHT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
CWR.................6 PERCENT.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS (10 TO 20 PERCENT) IN THE  
AFTERNOON.  
CHANCE OF LIGHTNING.16 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........25 TO 30 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH UP TO 4 MPH IN THE  
AFTERNOON.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 8 TO 11 MPH IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
CWR.................7 PERCENT.  
 

 
FORECASTER...HERMANSEN  
REQUESTED BY...MARK MAIN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518618.0/MFR  
.DELDT 07/25/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MODOCECC@GMAIL.COM,MARK.MAIN@USDA.GOV  
 
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