770 
FNUS76 KOTX 221207
FWSOTX

Spot Forecast for Upper River...USFS
National Weather Service Spokane WA
507 AM PDT Mon Sep 22 2025

Forecast is based on ignition time of 0600 PDT on September 22. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Following last evening's rain, the day will start off with high
relative humidity and patchy fog. Otherwise high pressure will build 
over the region through mid-week. This will result in a warming and 
drying trend including poor overnight recovery on mid-slopes and 
ridgetops. Winds will be light and terrain driven through Wednesday.
On Thursday a dry cold front will pass through bringing the potential
for breezy southwest winds.

.TODAY...

Sky/weather.........Partly cloudy.  Patchy fog in the morning.
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....57-65. 
Min humidity........35-45 percent. 
Wind (20 ft)........Light winds becoming southwest around 5 mph in 
                    the afternoon. 
Mixing height.......Near surface through 1000 increasing to 4000 ft AGL in the 
                    afternoon. 
Transport winds.....Southwest around 5 mph. 

.TONIGHT...

Sky/weather.........Mostly clear. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....45-50. 
Max humidity........50-65 percent. 
Wind (20 ft)........Downslope/downvalley 1 to 3 mph. 
Mixing height.......Near surface. 
Transport winds.....Downslope/downvalley less than 5 mph. 

.TUESDAY...

Sky/weather.........Sunny. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....68-76. 
Min humidity........25-32 percent. 
Wind (20 ft)........Downslope/downvalley 1 to 3 mph through 1000
                    then upslope/upvalley 2 to 5 mph. 
Mixing height.......Near surface through 1000 increasing to 3500 ft AGL 
                    in the afternoon. 
Transport winds.....Southeast less than 5 mph in the morning
                    then southwest around 5 mph in the afternoon. 

.FORECAST DAYS 3 THROUGH 7...
.WEDNESDAY...
Clear. Lows in the mid 50s. Highs 73-81. Min humidity 20-27 percent. 
Terrain driven winds up to 5 mph. 
.THURSDAY...
Mostly Clear. Lows in the mid 50s. Highs 71-79. Min humidity 20-27 percent. 
Southwest winds 6 to 12 mph. Gusts up to 20 mph in the afternoon and 
evening.
.FRIDAY...
Partly cloudy. Lows around 50. Highs 61-69. Min humidity 23-30 percent. 
Southwest winds 5 to 10 mph.  

$$
Forecaster...JW
Requested by...Patrick Warker
Type of request...PRESCRIBED
.TAG 2522257.1/OTX
.DELDT 09/22/25
.FormatterVersion 2.0.0
.EMAIL evan.a.ratcliffe@usda.gov,luke.smith2@usda.gov,ryan.nipp@usda.gov,kyle.mann@usda.gov,patrick.warker@usda.gov