FNUS75 KMSO 201221

FWSMSO



Spot Forecast for Thayer

National Weather Service Missoula MT

621 AM MDT Wed Aug 20 2025



Forecast is based on forecast start time of 0700 MDT on August 20. 

If conditions become unrepresentative...contact the National Weather

Service.



.DISCUSSION...Another warm, dry and unstable is expected for the

fire area. The fire appear to be protected by the stronger winds,

but the ridges are anticipated to have gusts up to 30 mph this

afternoon. Very light showers will be moving through the area 

this morning, then thunderstorms are expected to develop after 

1600 MDT near the fire. Any storms will be capable of gusty 

erratic outflow winds. A weak dry cold front is anticipated to 

push through the area during the overnight hours. 



.TODAY...



* Sky/Weather.........Partly cloudy. Slight chance of showers.

  Slight chance of thunderstorms in the afternoon. 

* CWR (> 0.10 Inch)...10 percent. 

* Chance Lightning....15 percent. 

* Max Temperature.....72-77. 

* Min Humidity........16-21 percent. 

* Wind (20 ft)........Variable 3-8 mph becoming west 9-14 mph 

  with gusts up to 30 mph in the afternoon. 

* Mixing Height.......1500 ft agl increasing to 11500 ft agl. 

* Mixing Winds........Southwest 15 mph. 

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



.TONIGHT...



* Sky/Weather.........Mostly clear. Haze. 

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

* Chance Lightning....Up to 10 percent. 

* Min Temperature.....44-49. 

* Max Humidity........59-64 percent. 

* Wind (20 ft)........West10-15 mph becoming Northwest 5-10 mph

  after midnight. 

* Mixing Height.......8500 ft agl decreasing to less than 100 ft 

  agl. 

* Mixing Winds........Northwest 15 mph. 

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



$$

Forecaster...Smith

Requested by...Victoria Curtis

Type of request...WILDFIRE

.TAG 2520256.0/MSO

.DELDT 08/20/25

.FormatterVersion 2.0.0

.EMAIL MTDDC@firenet.gov