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Mountain Home, Idaho 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Mountain Home ID
National Weather Service Forecast for: Mountain Home ID
Issued by: National Weather Service Boise, ID
Updated: 2:50 am MDT Jun 6, 2025
 
Today

Today: Increasing clouds, with a high near 84. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Increasing
Clouds
Tonight

Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 55. Northwest wind 5 to 10 mph becoming light and variable  in the evening.
Gradual
Clearing
Saturday

Saturday: Sunny and hot, with a high near 91. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Hot
Saturday
Night
Saturday Night: Mostly clear, with a low around 59. North wind 5 to 13 mph, with gusts as high as 22 mph.
Mostly Clear
Sunday

Sunday: Sunny and hot, with a high near 93. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Hot
Sunday
Night
Sunday Night: Clear, with a low around 60.
Clear
Monday

Monday: Sunny and hot, with a high near 96.
Hot
Monday
Night
Monday Night: Mostly clear, with a low around 62.
Mostly Clear
Tuesday

Tuesday: Mostly sunny and hot, with a high near 95.
Hot
Hi 84 °F Lo 55 °F Hi 91 °F Lo 59 °F Hi 93 °F Lo 60 °F Hi 96 °F Lo 62 °F Hi 95 °F

 

Today
 
Increasing clouds, with a high near 84. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
 
Mostly cloudy during the early evening, then gradual clearing, with a low around 55. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
 
Sunny and hot, with a high near 91. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
 
Mostly clear, with a low around 59. North wind 5 to 13 mph, with gusts as high as 22 mph.
Sunday
 
Sunny and hot, with a high near 93. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday Night
 
Clear, with a low around 60.
Monday
 
Sunny and hot, with a high near 96.
Monday Night
 
Mostly clear, with a low around 62.
Tuesday
 
Mostly sunny and hot, with a high near 95.
Tuesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Wednesday
 
A 20 percent chance of showers. Mostly sunny and hot, with a high near 90.
Wednesday Night
 
Mostly clear, with a low around 57.
Thursday
 
A 20 percent chance of showers. Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Mountain Home ID.

Weather Forecast Discussion
723
FXUS65 KBOI 060908
AFDBOI

Area Forecast Discussion
National Weather Service Boise ID
308 AM MDT Fri Jun 6 2025

.SHORT TERM...Today through Sunday night...A weak trough
passage today will be marked by a band of high clouds tracking
across the region from late morning through this evening.
Temperatures will tick up a couple of degrees from yesterday,
but in general this system and accompanying clouds will put a
pause on heating for today. Saturday will will see more
noticeable warming as high pressure aloft builds in from the
coast. Outside afternoon mountain cumulus, most sites see full
sun and temperatures 10-15 degrees above normal. Sunday adds
another 3 to 5 degrees from Saturday, putting lower elevations
into the mid-90s. The forecast keeps Sunday dry across all
sites, but will need to watch elevated moisture as surface
heating and instability would be enough to support isolated
mountain shower/storm development across the eastern Boise mtns
where we`re currently holding onto a 10% chance. For now the
deeper moisture remains locked up over NV-central Oregon through
Sunday. Northwest flow on the front side of the ridge will
translate to locally breezy conditions each afternoon.

.LONG TERM...Monday through Friday...The upper-level ridge will
hold on a little bit longer on Monday, keeping it warm and dry.
Beyond Monday the pattern switches to become unsettled. The
first ridge-busting shortwave will begin to move across our area
Monday night. This shortwave allows for a slight chance of
showers (15-30%) across most of Harney county and the southern
half of Malheur county late Monday night. As the wave continues
to propagate east, precipitation chances increase area-wide with
a 15-25% chance in lower elevations and 25-45% chance in higher
elevations on Tuesday afternoon. Deterministic and Ensemble
models are showing weak instability building in on Tuesday,
allowing for a 10-30% chance of thunderstorms area-wide (higher
chances seen in mountainous areas). Showers linger across higher
terrain through Wednesday, by Wednesday afternoon chances of
precipitation range from 20-40% across higher terrain and 15-25%
in the western Magic Valley. With weak instability building in
again, chances of thunder return Wednesday afternoon.
Deterministic and Ensemble models show a closed off upper-level
low deepening over the Gulf of Alaska. This feature and
embedded shortwaves allow for elevated precipitation chances
through Friday, mainly across higher elevations.

Believe it or not, temperatures actually trend downward Monday
through Friday (crazy I know). Temperatures will start at 15-20
degrees above normal on Monday, before gradually cooling to near
normal by Friday. Each day getting a few degrees cooler than the
last.

&&

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

&&

$$

www.weather.gov/Boise

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SHORT TERM...DG
LONG TERM....NF
AVIATION.....NF
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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