619 FXUS65 KBOI 162024 AFDBOI Area Forecast Discussion National Weather Service Boise ID 224 PM MDT Sun Oct 16 2022 .SHORT TERM...Tonight through Tuesday night...Not much change to the pattern and subsequent weather conditions through the period. A large area of high pressure will continue to support dry and stable conditions with light winds and above-normal temperatures. .LONG TERM...Wednesday through Sunday...The pattern change is still on track for next weekend. Models agree that the upper level ridge, which continues to provide dry and unseasonably warm weather, will be replaced on Saturday by an upper level trough from the Gulf of Alaska. Precipitation ahead of the trough is forecast to begin over our northern zones Friday evening, then spread across the rest of our area by Saturday morning. Scattered rain and snow showers will continue through Sunday. Precipitation totals are currently estimated to range from less than two tenths of an inch in the valleys to around three quarters of an inch in the central Idaho mountains, mostly falling Friday night and Saturday morning. Snow levels are expected to drop to 3500-4500 feet by Sunday morning, but accumulations are still uncertain. Highs will lower from around 10 degrees above normal Wednesday through Friday to near normal on Saturday and around 5 degrees below normal on Sunday. Lows will be 5-10 degrees above normal Wednesday through Saturday, then fall to near normal on Sunday. && .AVIATION...VFR with areas of haze. Smoke layers locally causing reduced visibility, mainly in Baker County Oregon and the west central Idaho mountains. Surface winds: mainly E-SE 10 kt or less, except 10-15 kt gusting to 25 kt in the Snake River Valley east of KMUO, decreasing to 10 kt or less all areas after 03z. Winds aloft at 10k feet MSL: E-SE 10-20 kt. && .BOI WATCHES/WARNINGS/ADVISORIES... ID...None. OR...None. && $$ www.weather.gov/Boise www.facebook.com/NWSBoise www.twitter.com/NWSBoise SHORT TERM...BW LONG TERM....JT AVIATION.....JT