865 
FNUS75 KMSO 212133
FWSMSO

Spot Forecast for Island Creek Fire
National Weather Service Missoula MT
333 PM MDT Thu Aug 21 2025

Forecast is based on forecast start time of 0700 MDT on August 22. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION... Increasingly hot and dry next couple of days.
Sunshine with smoke/haze which could be dense at times and could 
limit upper end of potential afternoon heating. Shift of winds
Friday afternoon/evening with dry back door cold front.
Temperatures will not be impacted significantly by front. Poor
overnight RH recovery Friday night into Saturday morning. Winds 
become easterly through Saturday morning with potential for 
surface mixing into north-northwesterly winds aloft by Saturday 
afternoon with RH's in the lower teens.

.FRIDAY...

* Sky/Weather.........Mostly sunny. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Max Temperature.....86-91. 
* Min Humidity........13-18 percent. 
* Wind (20 ft)........South-southeast 2-6 mph with gusts up to 10
  mph in the morning becoming north-northwest 2-6 mph with gusts
  up to 15 mph in the afternoon. Shifting to east-southeast 3-7
  mph with gusts up to 15 mph late in the evening.
* Mixing Height.......Near/less than 1000 ft agl in the morning
  increasing to near 7000 ft agl in the afternoon. 
* Mixing Winds........West-northwest 5 mph. 
* Precip Amount.......0.00 inches. 

.FRIDAY NIGHT...

* Sky/Weather.........Mostly clear. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Min Temperature.....56-61. 
* Max Humidity........39-44 percent. 
* Wind (20 ft)........East-southeast around 3-7 mph with gusts up
  to 15 mph overnight.
* Mixing Height.......Decreasing to near/less than 1000 ft agl
  overnight.
* Mixing Winds........Southeast 5 mph. 
* Precip Amount.......0.00 inches. 

.SATURDAY...

* Sky/Weather.........Mostly sunny. 
* CWR (> 0.10 Inch)...0 percent. 
* Chance Lightning....0 percent. 
* Max Temperature.....89-94. 
* Min Humidity........10-15 percent. 
* Wind (20 ft)........Southeast 3-6 mph with gusts up to 10 mph in
  the morning becoming north-northwest 3-6 mph with gusts up to 15
  mph in the afternoon.
* Mixing Height.......2500 ft agl increasing to 7000 ft agl. 
* Mixing Winds........North-northwest 5 mph. 
* Precip Amount.......0.00 inches. 

$$
Forecaster...Parker/Lukinbeal
Requested by...Anna Sivill
Type of request...WILDFIRE
.TAG 2520400.0/MSO
.DELDT 08/21/25
.FormatterVersion 2.0.0
.EMAIL anna_sivill@firenet.gov