548
FNUS75 KMSO 211939
FWSMSO

Spot Forecast for Deer Fire
National Weather Service Missoula MT
139 PM MDT Mon Jul 21 2025

Forecast is based on forecast start time of 0600 MDT on July 22.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Tuesday will run a few degrees warmer and slightly
drier than Monday, however overall still below normal for this
time of year. Isolated showers will become more widespread by
afternoon with thunderstorms also becoming a possibility. Although
showers and thunderstorms will be capable of heavy rainfall under
the cores, the chance of the fire taking a direct hit is only
about 20 percent. Warming and drying will begin on Monday with
afternoon southwest-westerly winds.

.TUESDAY...

* Sky/Weather.........Partly cloudy. Slight chance of showers in
  the morning. Chance of showers and thunderstorms in the
  afternoon.
* CWR (> 0.10 Inch)...10-20 percent.
* Chance Lightning....40 percent.
* Max Temperature.....60-65.
* Min Humidity........41-46 percent.
* Wind (20 ft)........Variable 3-5 mph in the morning becoming
  west-northwest 6-10 mph. Gusts up to 20 mph in the afternoon.
* Mixing Height.......2500 ft agl increasing to 4500 ft agl in the
  afternoon.
* Mixing Winds........West 10 mph.
* Precip Amount.......0.00-0.05 inches.

.TUESDAY NIGHT...

* Sky/Weather.........Mostly clear.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....Up to 10 percent.
* Min Temperature.....48-53.
* Max Humidity........70-75 percent.
* Wind (20 ft)........Northwest 5-10 mph in the evening becoming
  variable 3-5 mph.
* Mixing Height.......2000 ft agl decreasing to less than 100 ft
  agl in the late evening and overnight.
* Mixing Winds........West 10 mph.
* Precip Amount.......0.00 inches.

.WEDNESDAY...

* Sky/Weather.........Mostly sunny.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* Max Temperature.....66-71.
* Min Humidity........25-30 percent.
* Wind (20 ft)........Southwest 5-6 mph shifting to the west 8-10
  mph with gusts to 25 mph in the afternoon.
* Mixing Height.......1500 ft agl increasing to 7500 ft agl.
* Mixing Winds........West 10 mph.
* Precip Amount.......0.00 inches.

$$
Forecaster...JennK
Requested by...Stryker Clark
Type of request...WILDFIRE
.TAG 2518256.4/MSO
.DELDT 07/21/25
.FormatterVersion 2.0.0
.EMAIL andrew.bidwell@usda.gov,mtmdc@firenet.gov,stryker.clark@usda.gov