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Forecast Discussion for Boise, ID

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729
FXUS65 KBOI 130451
AFDBOI

Area Forecast Discussion
National Weather Service Boise ID
1051 PM MDT Thu Mar 12 2026

.UPDATE...Updated aviation discussion.

&&

.KEY MESSAGES...
- Gusty winds this afternoon in south-central Idaho, including
  the Western Magic Valley and Camas Prairie.

- Valley rain and mountain snow generally above 6000-7000 feet
  in Baker County, OR and the Central ID Mountains through early
  Sunday.

- Strong wind with widespread precipitation and low chance of a
  stray thunderstorm on Saturday along and behind a cold front.

- Record to near record high temperatures over much of the
  region next Tuesday through at least Thursday. Monthly record
  highs for March will also be threatened in some locations.

&&

.SHORT TERM /Through Saturday Night/...
Issued 227 PM MDT THU MAR 12 2026
Elevated winds are occurring in south central Idaho, with Twin
Falls and Jerome gusting to 40 mph this afternoon. Gusts will
continue, with periods of gusts up to 45 mph, until sunset. The
atmospheric river to our north is transporting significant
moisture over northern Valley County, with mountain snow showers
and valley rain expected to continue through the short term
period. Rainfall will be highest in mountain zones northeast of
the Snake River Valley, with up to one inch of liquid equivalent
over the highest terrain by Saturday. Snowfall totals by late
Saturday will range from a dusting to 2 inches over mountain
valleys, with an additional 8 to 12 inches of wet snow over
6000-7000 feet.

A cold front will move through the region on Saturday, bringing
much colder temperatures, a brief switch to snow for mountain
valley floors, and very strong winds. There is a low chance
(016-028>030.
OR...High Wind Watch from Saturday afternoon through Saturday
     evening for ORZ061>063.
&&

$$

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AVIATION.....NF
SHORT TERM...SA
LONG TERM....ST

Previous Forecast Discussions may be found at
NWS Boise, ID (BOI) Office Forecast Discussions.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)

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