FNUS75 KMSO 210219

FWSMSO



Spot Forecast for Cherry/Trapper

National Weather Service Missoula MT

819 PM MDT Mon Apr 20 2026



Forecast is based on ignition time of 0800 MDT on April 21. 

If conditions become unrepresentative...contact the National Weather

Service.



.DISCUSSION...Breezy conditions will be present both days. Tuesday

with breezy, warm, and dry conditions will present near critical 

fire weather. Wednesday a big change is expected with temperatures

cooling and a precipitation event beginning. Initially Wednesday

will be convective, a wetting rain which is 60% possible, will 

require a direct hit by a shower. Any showers will be capable of 

gusty and erractic winds. 



.TUESDAY...



* Sky/Weather.........Partly cloudy. 

* CWR (> 0.10 Inch)...0 percent. 

* Chance Lightning....0 percent. 

* Max Temperature.....67-72. 

* Min Humidity........8-13 percent. 

* Wind (20 ft)........South 5-7 mph increasing to 10-18 mph with 

  gusts to around 35 mph in the afternoon. 

* Mixing Height.......2500 ft agl increasing to 11500 ft agl. 

* Mixing Winds........South 20 mph. 

* Precip Amount.......0.00 inches. 



.TUESDAY NIGHT...



* Sky/Weather.........Partly cloudy. 

* CWR (> 0.10 Inch)...0 percent. 

* Chance Lightning....0 percent. 

* Min Temperature.....40-45. 

* Max Humidity........35-40 percent. 

* Wind (20 ft)........South 9-16 mph with gusts to around 35 mph

  decreasing to 15 mph overnight. 

* Mixing Height.......9000 ft agl decreasing to less than 100 ft 

  agl. 

* Mixing Winds........South 15 mph. 

* Precip Amount.......0.00 inches. 



.WEDNESDAY...



* Sky/Weather.........Partly cloudy then becoming cloudy. Chance of 

  rain in the morning, then rain showers, slight chance of 

  thunderstorms and snow showers in the afternoon. 

* CWR (> 0.10 Inch)...60 percent. 

* Chance Lightning....20 percent. 

* Max Temperature.....53-58. 

* Min Humidity........36-41 percent. 

* Wind (20 ft)........South 5-10 mph with gusts to around 25 mph 

  increasing to around 20 mph with gusts to around 40 mph in the 

  afternoon. 

* Mixing Height.......3500 ft agl increasing to 7500 ft agl. 

* Mixing Winds........Southwest 25 mph. 

* Precip Amount.......0.01-0.23 inches. 



$$

Forecaster...BEC

Requested by...Rusty Butler

Type of request...PRESCRIBED

.TAG 2611034.0/MSO

.DELDT 04/20/26

.FormatterVersion 2.0.0

.EMAIL rbutler@blm.gov