236
FNUS75 KMSO 240207
FWSMSO

Spot Forecast for Nature Grove
National Weather Service Missoula MT
807 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... PLEASE DISREGARD THE LAST SPOT FORECAST FOR NATURE
GROVE.  USE THIS ONE INSTEAD.

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.....71-76.
* Min Humidity........15-20 percent.
* Wind (20 ft)........Variable 1-3 mph becoming northwest 5-10 mph
  with gusts to about 15 mph after noon.
* Mixing Height.......3000 ft agl increasing to 6000 ft agl in the
  afternoon.
* Mixing Winds........Southwest 5 mph.
* Precip Amount.......0.00 inches.

.MONDAY NIGHT...

* Sky/Weather.........Partly cloudy.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* Min Temperature.....51-56.
* Max Humidity........43-48 percent.
* Wind (20 ft)........Variable 1-3 mph.
* Mixing Height.......3500 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.
* CWR (> 0.10 Inch)...Less than 10 percent.
* Chance Lightning....Up to 10 percent.
* Max Temperature.....75-80.
* 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.......2000 ft agl increasing to 9500 ft agl.
* Mixing Winds........Southwest 5 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