452
FNUS75 KMSO 121006
FWSMSO

Spot Forecast for Nature Grove - Fire Behavior Request
National Weather Service Missoula MT
406 AM MDT Sat Sep 12 2026

Forecast is based on forecast start time of 0700 MDT on September 13.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Showers will arrive in the vicinity of the fire on
Sunday, bringing cooler temperatures and higher RHs. Forecasted
precipitation amounts continue to lower as models trend the low
pressure center further north. A reasonable range (25th to 75th
percentile) for precipitation Sunday through Monday now ranges
between 0.00 to 0.25". The probability of a wetting rain in this
period is around 50 percent.

Warming and drying is anticipated for Tuesday through the end of
the week, approaching seasonal normals to even slightly above
normal by Friday.

.SUNDAY...

* Sky/Weather.........Mostly cloudy. Chance of rain in the morning.
  Rain showers likely and slight chance of thunderstorms in the
  afternoon.
* CWR (> 0.10 Inch)...20 percent.
* Chance Lightning....20 percent.
* Max Temperature.....54-59.
* Min Humidity........40-45 percent.
* Wind (20 ft)........Variable 2-5 mph becoming west to northwest
  around 7 mph with gusts to around 25 mph in the afternoon.
* Mixing Height.......2000 ft agl increasing to 6000 ft agl late in
  the morning.
* Mixing Winds........Southwest 10 mph.
* Precip Amount.......0.00-0.06 inches.

.SUNDAY NIGHT...

* Sky/Weather.........Mostly cloudy. Chance of rain in the evening,
  then rain likely overnight.
* CWR (> 0.10 Inch)...10 percent.
* Chance Lightning....Up to 10 percent.
* Min Temperature.....35-40.
* Max Humidity........86-91 percent.
* Wind (20 ft)........West 5-9 mph with gusts to around 25 mph.
* Mixing Height.......1500 ft agl decreasing to less than 100 ft
  agl in the late evening and overnight.
* Mixing Winds........West 10 mph.
* Precip Amount.......0.00-0.03 inches.

.MONDAY...

* Sky/Weather.........Partly cloudy. Slight chance of rain and
  snow showers in the morning.
* CWR (> 0.10 Inch)...10 percent.
* Chance Lightning....0 percent.
* Max Temperature.....51-56.
* Min Humidity........52-57 percent.
* Wind (20 ft)........West 5-9 mph. Gusts up to 25 mph in the
  morning.
* Mixing Height.......4000 ft agl increasing to 5000 ft agl in the
  afternoon.
* Mixing Winds........West 15 mph.
* Precip Amount.......0.00-0.01 inches.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...
Mostly clear. Lows 35-40. Highs 57-62. Winds generally less than
5 mph. Max RHs 60 to 70 percent. Min RHs 38 to 48 percent.
.WEDNESDAY...
Partly cloudy. Lows 36-41. Highs 58-63. Winds generally less than
5 mph. Max RHs 65 to 75 percent. Min RHs 35 to 45 percent.
.THURSDAY...
Mostly clear. Lows 38-43. Highs 65-70. Winds generally less than
5 mph. Max RHs 45 to 55 percent. Min RHs 30 to 35 percent.
.FRIDAY...
Partly cloudy. Lows 42-47. Highs 68-73. Max RHs 40 to 50 percent.
Min RHs 25 to 30 percent.
.SATURDAY...
Partly cloudy. Lows 45-50. Highs 67-72. Max RHs 35 to 45 percent.
Min RHs 20 to 25 percent.

$$
Forecaster...JennK
Requested by...David Hood
Type of request...WILDFIRE
.TAG 2621219.7/MSO
.DELDT 09/12/26
.FormatterVersion 2.0.0
.EMAIL christopher.marabetta@usda.gov,Kodie.McQuay@usda.gov,Eldon.Johnson@usda.gov,matthew.young@usda.gov,2026.naturegrove.plans@firenet.gov