FNUS75 KMSO 240203
FWSMSO

Spot Forecast for Nature Grove
National Weather Service Missoula MT
803 PM MDT Sun Aug 23 2026

Forecast is based on forecast start time of 2000 MDT on August 23. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Southwest winds 5-10 mph will continue this evening
until about 2100 MDT, then will become light and variable.
Overnight RH will recover to mid 50 percent. A ridge of high 
pressure will bring a warming and drying trend Monday. Thermal 
belts begin to strengthen Monday night, with limited RH 
recoveries. Monsoon moisture will begin to stream in aloft Tuesday
afternoon, providing enough mid-level instability for scattered 
showers and isolated thunderstorms. Outflow winds and lightning 
will be the primary threats should a storm approach the fire. 

.REST OF TONIGHT...

* Sky/Weather.........Mostly clear. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Min Temperature.....47-52. 
* Max Humidity........53-58 percent. 
* Wind (20 ft)........Southwest 5-10 mph becoming variable 3-6 
  mph by about 2100 MDT. 
* Mixing Height.......500 ft agl. 
* 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........15-20 percent. 
* Wind (20 ft)........Variable 3-6 mph becoming west 5-10 mph 
  with gusts to around 20 mph in the afternoon. 
* Mixing Height.......2500 ft agl increasing to 6500 ft agl. 
* Mixing Winds........West 10 mph. 
* Precip Amount.......0.00 inches. 

.MONDAY NIGHT...

* Sky/Weather.........Partly cloudy. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Min Temperature.....49-54. 
* Max Humidity........40-45 percent. 
* Wind (20 ft)........Variable 1-3 mph. 
* Mixing Height.......4500 ft agl decreasing to 500 ft agl early in 
  the evening. 
* Mixing Winds........East 5 mph. 
* Precip Amount.......0.00 inches. 

.TUESDAY...

* Sky/Weather.........Partly cloudy. Slight chance of rain showers 
  in the morning, then chance of rain showers in the afternoon. 
* CWR (> 0.10 Inch)...Less than 10 percent. 
* Chance Lightning....Up to 10 percent. 
* Max Temperature.....73-78. 
* Min Humidity........17-22 percent. 
* Wind (20 ft)........Variable 1-3 mph becoming west 5-10 mph with
  gusts of 15 mph after noon.
  
* Mixing Height.......2500 ft agl increasing to 10000 ft agl. 
* Mixing Winds........Southwest 10 mph. 
* Precip Amount.......0.00 inches.

$$
Forecaster...Messina
Requested by...Keely Fishman
Type of request...WILDFIRE
.TAG 2620344.0/MSO
.DELDT 08/23/26
.FormatterVersion 2.0.0
.EMAIL mtmdc@firenet.gov,cory.rennaker@usda.gov