344
FNUS75 KMSO 222350
FWSMSO

Spot Forecast for MILE MARKER 91
National Weather Service Missoula MT
550 PM MDT Fri Aug 22 2025

Forecast is based on forecast start time of 0600 MDT on August 23.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Forecast split into Bottom (2500 ft MSL) and Top
(4500 ft MSL) for relevant variables. Mixing heights listed as
elevation above sea level (MSL).

Hot and dry continuing with gusty east winds gusting up to about
15 mph. Patchy smoke at times from regional wildfire activity.
Overnight valley inversion / thermal belt conditions with warming
and drying with height to about 4500 ft MSL. East winds calming
through the weekend and becoming more influenced by local terrain.
Hot and dry continuing into early next week.

.SATURDAY...

* Sky/Weather.........Sunny then becoming partly cloudy.
  Smoke/haze.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* Max Temperature.....Bottom: 89-94, Top: 80-85.
* Min Humidity........Bottom: 15-20 percent, Top: 17-22.
* Wind (20 ft)........East/downslope 1-5 mph with gusts up to 10
  mph in the morning becoming northeast 4-7 mph with gusts up to
  15 mph in the afternoon.
* Mixing Height.......Near 4500 ft MSL in the morning increasing
  to 9500 ft MSL in the afternoon.
* Mixing Winds........East 5 mph up to 8500 ft MSL shifting to
  west-northwest 10 mph above 8500 ft MSL.
* Precip Amount.......0.00 inches.

.SATURDAY NIGHT...

* Sky/Weather.........Partly cloudy. Smoke/haze.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* Min Temperature.....Bottom: 57-62, Top: 59-64.
* Max Humidity........41-46 percent.
* Wind (20 ft)........Northeast 4-7 mph with gusts up to 15 mph in
  the evening becoming east/downslope 1-4 mph with gusts up to 8
  mph in the morning.
* Mixing Height.......Decreasing to near 4000 ft MSL overnight.
* Mixing Winds........Variable/east 5 mph.
* Precip Amount.......0.00 inches.

.SUNDAY...

* Sky/Weather.........Partly cloudy.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* Max Temperature.....Bottom: 93-98, Top: 84-89.
* Min Humidity........Bottom: 14-19 percent, Top: 17-22 percent.
* Wind (20 ft)........East/downslope 1-4 mph with gusts up to 8
  mph in the morning becoming northeast 3-7 mph with gusts up to
  15 mph in the afternoon.
* Mixing Height.......Increasing to near 10500 ft MSL in the
  afternoon.
* Mixing Winds........Northeast 5 mph shifting to northwest above
  9000 ft MSL.
* Precip Amount.......0.00 inches.

$$
Forecaster...Parker/Kitsmiller
Requested by...ART TRAHAN
Type of request...WILDFIRE
.TAG 2520183.4/MSO
.DELDT 08/22/25
.FormatterVersion 2.0.0
.EMAIL jack.currie@cskt.org