761
FXUS65 KBOI 050241
AFDBOI

Area Forecast Discussion
National Weather Service Boise ID
841 PM MDT Fri Oct 4 2024

.DISCUSSION...A dry cold front will continue its eastward trek
across SW Idaho this evening. The gusty winds will gradually
subside overnight. Cooler temperatures and light winds follow
the front on Saturday, along with dry conditions as an upper
ridge builds into the region. No updates.

&&

.AVIATION...VFR. Areas of smoke reducing visibility. Surface
winds: W-N 15-25 kt with gusts to 25-35 kt, subsiding after
09z/Sat. Winds aloft at 10kft MSL: W 25-40 kt, becoming NW 15-35
kt by 18z/Sat.

KBOI...VFR. Surface winds: NW 10-20 kt with gusts to 30 kt
through 05/05Z, then NW around 10 kt. Saturday after 12Z,
variable 5 kt.

WEEKEND OUTLOOK...VFR. Mostly clear skies with haze/smoke near
wildfires. Winds: variable less than 10 kt.

&&

.PREV DISCUSSION...
SHORT TERM...Tonight through Sunday night...Near record highs
this afternoon ahead of a cold frontal system. The Boise record
is 88F today, with a current temperature of 86F. A dry cold
front will move through the area this evening, bringing gusty
winds ahead of and along the front. As the front passes, the
strongest winds will be near Farewell Bend OR to Ontario this
evening with local gusts of 40-55 mph. Could see a good dust front
developing this evening with the passage of the cold front, with
reduced visibility and blowing dust, especially along the I84
corridor. Elsewhere, 30 to 40 mph gusts possible with the frontal
passage tonight with the strongest gusts on the ridgetops. Winds
ease by Saturday morning, with light winds through Sunday night.
Temperatures cool around 10-15 degrees on Saturday with highs in
the low 70s across the lower valleys. Temperatures moderate a few
degrees on Sunday with continued dry conditions.

LONG TERM...Monday through Friday...Zonal west to southwest flow
continues through the long term with above normal temperatures.
Temperatures will be around 10-15 degrees above normal for the
long term. Clouds increase at the end of the week as a system
approaches the Pacific Northwest and precipitation chances go to
10-20 percent by Friday.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...Red Flag Warning until 9 PM MDT this evening
     IDZ402-403-421-423-424-426.
OR...Red Flag Warning until 9 PM MDT /8 PM PDT/ this evening
     ORZ636-637.

&&

$$

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DISCUSSION...BW
AVIATION.....SP
SHORT TERM...KA
LONG TERM....KA