FNUS75 KMSO 221855
FWSMSO

Spot Forecast for Butterfly
National Weather Service Missoula MT
1255 PM MDT Sat Aug 22 2026

Forecast is based on forecast start time of 0700 MDT on August 23. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...There is a slight chance of morning showers and
thunderstorms on Sunday, otherwise it will be cooler than Saturday but
still low min Rh overall. Gusty westerly winds are expected by 
midday/early afternoon, diminishing around sunset. Lighter winds 
are anticipated on Monday with similar daytime temperatures and 
min Rh to Sunday. Fair Rh recovery is expected on Sunday night. 

.SUNDAY...

* Sky/Weather.........Partly cloudy early then mostly sunny.
  Slight chance of rain showers and thunderstorms in the morning.
* CWR (> 0.10 Inch)...10 percent. 
* Chance Lightning....Up to 15 percent. 
* Max Temperature.....66-71. 
* Min Humidity........28-33 percent. 
* Wind (20 ft)........Variable 2-5 mph becoming west 5-9 mph with
  gusts to around 30 mph in the early afternoon. 
* Mixing Height.......3000 ft agl increasing to 7000 ft agl in the 
  afternoon. 
* Mixing Winds........Southwest 10 mph. 
* Precip Amount.......0.00-0.15 inches. 

.SUNDAY NIGHT...

* Sky/Weather.........Mostly clear. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Min Temperature.....47-52. 
* Max Humidity........49-54 percent. 
* Wind (20 ft)........Northwest 5-7 mph with gusts to around 25 mph 
  in the evening becoming variable 2-4 mph after sunset. 
* Mixing Height.......4500 ft agl decreasing to 500 ft agl early in 
  the evening. 
* Mixing Winds........West 5 mph. 
* Precip Amount.......0.00 inches. 

.MONDAY...

* Sky/Weather.........Mostly sunny. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Max Temperature.....69-74. 
* Min Humidity........26-31 percent. 
* Wind (20 ft)........Variable 1-3 mph becoming northwest 2-5 mph
  with gusts to 12 mph in the afternoon.
* Mixing Height.......3000 ft agl increasing to 7000 ft agl in the
  afternoon.
* Mixing Winds........West 5 mph. 
* Precip Amount.......0.00 inches. 

$$
Forecaster...Booth
Requested by...Clint Mendenhall
Type of request...WILDFIRE
.TAG 2618902.21/MSO
.DELDT 08/22/26
.FormatterVersion 2.0.0
.EMAIL jacquie_parks@firenet.gov,clint.mendenhall@usda.gov,chris.marabetta@usda.gov,christopher.m.kramer@usda.gov,2026.northforklosthorse.plans@firenet.gov