Spot Forecast
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
921 FNUS76 KOTX 240530 FWSOTX Spot Forecast for St. Joe Divide (Graham Creek)...Other National Weather Service Spokane WA 1030 PM PDT Mon Sep 23 2024 Forecast is based on ignition time of 0800 PDT on September 24. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Tuesday will be 10 to 15 degrees above average with afternoon temperatures in the mid 70s to near 80 degrees at this project. Look for the morning inversion to weaken around 1000 pdt with transport winds out of the south and surface winds mainly terrain driven. The arrival of a cold front late Wednesday afternoon will bring increasingly windy conditions through the day and a 60 percent chance of wetting rain Wednesday evening. At this time, rain amounts will likely range from a tenth to a quarter of an inch by Thursday morning. .TUESDAY... Sky/weather.........Sunny. CWR.................0 percent. LAL.................1. Max temperature.....74-80. Min humidity........47-38 percent. Wind (20 ft)........Becoming upslope/upvalley 3 to 6 mph by 1000 pdt. Mixing height.......Inversion weakening around 1000 pdt with mixing heights as high as 3100 ft AGL between 1300 and 1800 pdt. Transport winds.....South 5 to 8 mph. .TUESDAY NIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. LAL.................1. Min temperature.....57-62. Max humidity........78-65 percent. Wind (20 ft)........Downslope/downvalley 3 to 6 mph in the evening becoming southeast 4 to 7 mph with gusts on the ridge tops as high as 20 mph in the early morning hours. Mixing height.......Falling to near the surface by 1930 pdt. Transport winds.....South 6 to 9 mph. .WEDNESDAY... Sky/weather.........Mostly sunny in the morning. Increasing clouds in the afternoon with 20 percent chance of showers after 1500 pdt. CWR.................10 percent. LAL.................1. Max temperature.....76-82. Min humidity........45-36 percent. Wind (20 ft)........Southeast winds 5 to 9 mph in the morning with gusts up to 25 mph on the ridge tops. Wind increasing in the afternoon to southwest 11 to 16 mph with gusts to 30 mph after 1600 pdt. Mixing height.......Morning inversion weakening by 1000 pdt with mixing heights as high as 8000 ft AGL between 1300 and 1700 pdt. Transport winds.....South 10 to 15 mph in the morning increasing to southwest 17 to 23 mph in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Cloudy with a 80 percent chance of showers and a 20 percent chance of thunderstorms. CWR.................60 percent. Rain amounts 0.10 to 0.25 inches expected. LAL.................2. Min temperature.....47-50. Max humidity........95-85 percent. Wind (20 ft)........Southwest winds 14 to 18 mph with gusts to 33 mph between 1700 and 1900 pdt. Southwest wind decreasing to 6 to 10 mph overnight. Mixing height.......Falling to 500 ft AGL by 2000 pdt. Transport winds.....Southwest 20 to 25 mph in the evening decreasing to 10 to 15 mph overnight. .FORECAST DAYS 3 THROUGH 5... .THURSDAY... Cooler. Mostly cloudy. 20 percent chance of showers early in the day. Lows around 50. Highs in the lower 60s. Southwest winds 5 to 9 mph with gusts to 15 mph. .FRIDAY... Mostly clear. Lows around 50. Highs in the mid 60s. South or southwest winds 4 to 8 mph. .SATURDAY... Mostly clear. Lows in the upper 40s. Highs in the mid 60s. Southeast winds 3 to 7 mph. $$ Forecaster...GK Requested by...Patrick Warker Type of request...PRESCRIBED .TAG 2422940.0/OTX .DELDT 09/24/24 .FormatterVersion 2.0.0 .EMAIL patrick.warker@usda.gov,luke.smith2@usda.gov,nws.spokane@noaa.gov.,ryan.nipp@usda.gov