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.

&&

$$

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SHORT TERM...BW
LONG TERM....JT
AVIATION.....JT