363 
FNUS75 KMSO 272236
FWSMSO

Spot Forecast for Deer Fire
National Weather Service Missoula MT
436 PM MDT Sun Jul 27 2025

Forecast is based on forecast start time of 0600 MDT on July 28. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...A persistent pattern of southwesterly flow aloft
will keep Pacific moisture coming into the Northern Rockies
throughout the week. Expect afternoon/evening showers and 
thunderstorms on Monday and again on Tuesday (20% chance). These 
storms will be capable of producing erratic, gusty winds of about 
40 mph, frequent lightning, and brief heavy rain. A slight 
easterly gradient will develop on Monday evening resulting in 
northeasterly winds lasting into Tuesday.

.MONDAY...

* Sky/Weather.........Partly cloudy. Slight chance of showers and 
  thunderstorms in the afternoon. 
* CWR (> 0.10 Inch)...10 percent. 
* Chance Lightning....20 percent. 
* Max Temperature.....71-76. 
* Min Humidity........24-29 percent. 
* Wind (20 ft)........Southeast 5-6 mph shifting to the northwest
  5-10 mph with gusts to 15 mph in the afternoon. 
* Mixing Height.......1500 ft agl increasing to 5500 ft agl early 
  in the afternoon, then increasing to 7000 ft agl late in the 
  afternoon decreasing to 3000 ft agl late in the afternoon. 
* Mixing Winds........South 5 mph. 
* Precip Amount.......0.01 inches. 

.MONDAY NIGHT...

* Sky/Weather.........Partly cloudy. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....Up to 10 percent. 
* Min Temperature.....53-58. 
* Max Humidity........63-68 percent. 
* Wind (20 ft)........Northeast 5-7 mph shifting to the southeast 
  6-7 mph overnight. 
* Mixing Height.......Less than 100 ft agl. 
* Mixing Winds........East 5 mph. 
* Precip Amount.......0.00 inches. 

.TUESDAY...

* Sky/Weather.........Partly cloudy. Slight chance of showers and 
  thunderstorms in the afternoon. 
* CWR (> 0.10 Inch)...10 percent. 
* Chance Lightning....20 percent. 
* Max Temperature.....72-77. 
* Min Humidity........32-37 percent. 
* Wind (20 ft)........East 6-7 mph shifting to the northeast 5-10 
  mph in the afternoon. 
* Mixing Height.......2500 ft agl increasing to 6500 ft agl in the 
  afternoon. 
* Mixing Winds........Northeast 5 mph. 
* Precip Amount.......0.03 inches. 

$$
Forecaster...Messina
Requested by...Margaret Fisk
Type of request...WILDFIRE
.TAG 2518256.11/MSO
.DELDT 07/27/25
.FormatterVersion 2.0.0
.EMAIL margaret.fisk@usda.gov