035
FXUS65 KBOI 061947
AFDBOI

Area Forecast Discussion
National Weather Service Boise ID
147 PM MDT Fri Jun 6 2025

.SHORT TERM...Tonight through Sunday night...A weak wave today
is carrying a band of clouds through. Precipitation unlikely,
though virga is possible at altitude in the band. The clouds
slightly reduced our warming today, dropping the temperature
forecast for the next few days. Either way, high pressure will
continue to build and this weekend will still be hot and dry.
High temps reach about 15 degrees above normal, with afternoon
minimum RHs in the teens for valleys and low 20s for mountains.

.LONG TERM...Monday through Friday... The upper level ridge axis
will pass overhead Monday, allowing SW flow aloft to move into the
area. Monday and Tuesday should be the hottest days at around 15
degrees above normal. There is a chance of showers and a slight
chance of thunderstorms in SE Oregon Monday night. Tuesday and
Tuesday night, with the SW flow well-established and a shortwave
trough approaching, there is a better of showers and thunderstorms
areawide. This chance extends into Wednesday mainly on the Idaho
side as the shortwave moves through early in the day, and remains
there Thursday and Friday. Models show another shortwave or two
moving through Thursday and/or Friday, but confidence is not high
concerning the timing. Temperatures will decrease after Tuesday,
with readings around 10 degrees above normal Wed, then falling
farther to just 2-4 degrees above normal Thursday and Friday.

&&

.AVIATION...VFR. High clouds moving from NW to SE, with some
virga possible over Baker County and SW Idaho this afternoon, then
south and east of KONO this evening. Surface winds: generally W-NW 5-
12 kt through 07/03Z, then variable 20 kt or less. Winds aloft at
10kft MSL: W-NW 5-15 kt this afternoon, becoming NW 10-20 kt late
tonight.

KBOI...VFR. NW 5-10 kt this afternoon and early evening, becoming
variable around 5 kt after 07/03Z.

Weekend Outlook...VFR. Increasing heat will result in high density
altitude, especially Sunday into Monday. Winds: W through N 5 to 15
kt both surface and aloft.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...None.
OR...None.

&&

$$

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SHORT TERM...JM
LONG TERM....SP
AVIATION.....SP