724  
FNUS75 KMSO 201606  
FWSMSO  
 
SPOT FORECAST FOR HORSE RIDGE RX  
NATIONAL WEATHER SERVICE MISSOULA MT  
1006 AM MDT MON APR 20 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1400 MDT ON APRIL 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
ABNORMALLY WARM AND DRY CONDITIONS WITH RHS  
DROPPING INTO THE LOW TEENS BY TUESDAY AFTERNOON. TUESDAY WILL BE  
THE WARMEST, DRIEST DAY AND WILL HAVE LIGHT SOUTHWESTERLY WINDS.  
PRECIPITATION WILL INCREASE OVER THE BURN AREA WEDNESDAY MORNING,  
INCREASING IN INTENSITY WEDNESDAY AFTERNOON THROUGH THURSDAY. 24  
HOUR PRECIPITATION AMOUNTS ENDING 1200 MDT THURSDAY SHOW A MOST  
LIKELY RANGE BETWEEN 0.40" TO 1.0". PROBABILITY OF AT LEAST SEEING  
A WETTING RAIN IS 90 PERCENT ON WEDNESDAY.  
 
   
REST OF TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....69-74.  
* MIN HUMIDITY........13-17 PERCENT.  
* WIND (20 FT)........VARIABLE 3-6 MPH BECOMING WEST 5-10 MPH BY  
ABOUT 1500 MDT.  
 
* MIXING HEIGHT.......6000 FT AGL.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....37-42.  
* MAX HUMIDITY........60-65 PERCENT.  
* WIND (20 FT)........SOUTHEAST AROUND 5 MPH.  
* MIXING HEIGHT.......1000 FT AGL.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TUESDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....75-80.  
* MIN HUMIDITY........9-14 PERCENT.  
* WIND (20 FT)........SOUTHEAST AROUND 5 MPH SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL INCREASING TO 8000 FT AGL.  
* MIXING WINDS........SOUTH 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...MESSINA  
REQUESTED BY...TRISTAN REID  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610901.0/MSO  
.DELDT 04/20/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TRISTAN.REID@USDA.GOV  
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