235
FNUS76 KOTX 230950
FWSOTX

Spot Forecast for St. Joe Divide (Graham Creek)...USFS
National Weather Service Spokane WA
250 AM PDT Mon Sep 23 2024

Forecast is based on ignition time of 0800 PDT on September 23.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
An upper level ridge will begin to shift into the Idaho Panhandle
late Monday morning. This will bring warmer temperatures through
Wednesday. A relatively moist airmass will keep minimum relative
humidity values in the 40 percent range until drier air moves in
with a cold front Wednesday evening. Stronger southwest winds
will accompany this front Wednesday afternoon and evening. Showers
with embedded thunderstorms will be possible Wednesday afternoon
through Thursday morning with a 45 percent chance for 0.10 inches
of rain over the project.

.TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....68-72.
Min humidity........45-50 percent.
Wind (20 ft)........Southwest 2 to 5 mph in the morning becoming west
 5 to 9 mph in the afternoon. Wind gusts up to 15 mph.
Mixing height.......2000 ft AGL at 1100 PDT increasing to 4000 ft
AGL in the afternoon.
Transport winds.....West 11 to 14 mph.
Haines Index........2 Very Low.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....50-54.
Max humidity........76 percent.
Wind (20 ft)........Southwest winds 4 to 7 mph in the evening becoming
downslope 2 to 5 mph.
Mixing height.......Decreasing to near the surface.
Transport winds.....Southwest around 7 mph shifting to the south
around 5 mph overnight.
Haines Index........2 Very Low.

.TUESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....74-78.
Min humidity........40-46 percent.
Wind (20 ft)........Downslope 2 to 4 mph in the morning becoming
south-southwest 3 to 6 mph.
Mixing height.......2000 ft AGL at 1100 PDT increasing to 3500 ft
AGL in the afternoon.
Transport winds.....South 5 to 8 mph.
Haines Index........3 Very Low.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...
Mostly clear in the morning, clouds increasing in the afternoon.
30 percent chance for showers and isolated thunderstorms in the
afternoon, increasing to 50 percent in the evening. Lows around
60. Highs in the upper 70s. RHs: 33-38 percent. Southeast winds
around 6 mph in the morning becoming southwest 9 to 14 mph with
ridge top wind gusts up to 25 mph in afternoon and early evening.
Transport winds southwest 15 to 20 mph.

.THURSDAY...
Cooler. Mostly cloudy. 20 percent chance of showers and isolated
thunderstorms until 11 AM PDT. 10 to 15 percent chance for light
showers Thursday night. Lows in the lower 50s. Highs in the mid
60s. RHs: 38-44 percent.Southwest winds around 8 10 11 mph in the
morning and early afternoon. Transport winds southwest 10 to 15
mph.

.FRIDAY...
Partly cloudy. Lows around 50. Highs in the mid 60s. RHs: 40-47
percent. South winds around 3 to 6 mph in the morning becoming
southwest 7 to 10 mph.


$$
Forecaster...VT
Requested by...Patrick Warker
Type of request...PRESCRIBED
.TAG 2422880.0/OTX
.DELDT 09/23/24
.FormatterVersion 2.0.0
.EMAIL patrick.warker@usda.gov,ryan.nipp@usda.gov,luke.smith2@usda.gov