425 
FNUS75 KMSO 181229
FWSMSO

Spot Forecast for Horn Fire
National Weather Service Missoula MT
629 AM MDT Mon Aug 18 2025

Forecast is based on forecast start time of 0700 MDT on August 18. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Another round of storms are expected to develop
after 1400 MDT, but the best coverage of storms appears to be
north of your fire. Stronger storms will be capable of outflow 
winds up to 45 mph along with heavy rain. Temperatures will be 
warmer today with gusty southwesterly winds. A ridge strengthens 
over the region on Tuesday cause hot and dry conditions, but winds
should be significantly lighter. A dry cold front is expected to 
move through the region on late Wednesday causing increase winds.

.REST OF TODAY...

* Sky/Weather.........Mostly sunny. Slight chance of showers and 
  thunderstorms after 1400 MDT. 
* CWR (> 0.10 Inch)...10 percent. 
* Chance Lightning....15 percent. 
* Max Temperature.....80-85. 
* Min Humidity........10-15 percent. 
* Wind (20 ft)........South 5-10 mph shifting to the southwest 13-18
  mph gusts to 35 mph in the afternoon. 
* Mixing Height.......3500 ft agl increasing to 14500 ft agl. 
* Mixing Winds........South 15 mph. 
* Precip Amount.......0.00 inches. 

.TONIGHT...

* Sky/Weather.........Mostly clear. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....Up to 10 percent. 
* Min Temperature.....47-52. 
* Max Humidity........39-44 percent. 
* Wind (20 ft)........South 6-16 mph shifting to the southeast
  5-10 mph overnight. 
* Mixing Height.......12000 ft agl decreasing to 1500 ft agl. 
* Mixing Winds........South 10 mph. 
* Precip Amount.......0.00 inches. 

.TUESDAY...

* Sky/Weather.........Mostly sunny. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Max Temperature.....84-89. 
* Min Humidity........5-10 percent. 
* Wind (20 ft)........Southeast 5-10 mph shifting to the southwest
  18-13 mph gusts up to 20 mph in the afternoon. 
* Mixing Height.......2000 ft agl increasing to 12500 ft agl. 
* Mixing Winds........South 10 mph. 
* Precip Amount.......0.00 inches. 

$$
Forecaster...Smith
Requested by...USFC
Type of request...WILDFIRE
.TAG 2519876.5/MSO
.DELDT 08/18/25
.FormatterVersion 2.0.0
.EMAIL cwstulz@gmail.com,mtddc@firenet.gov