Preston 7 Day Weather Forecast with Current Weather Conditions for , ID." />

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Preston, Idaho 7 Day Weather Forecast

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NWS Forecast for Preston ID

National Weather Service Forecast for: Preston ID
Issued by: National Weather Service Pocatello, ID

Updated: 5:31 am MDT May 9, 2026

Today Becoming Sunny	Tonight Mostly Clear	Sunday Mostly Sunny	Sunday Night Mostly Clear	Monday Sunny	Monday Night Partly Cloudy	Tuesday Sunny	Tuesday Night Mostly Clear	Wednesday Mostly Sunny
Hi 72 °F	Lo 39 °F	Hi 77 °F	Lo 42 °F	Hi 86 °F	Lo 47 °F	Hi 89 °F	Lo 50 °F	Hi 85 °F

Today	Partly sunny, then gradually becoming sunny, with a high near 72. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight	Mostly clear, with a low around 39. North northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday	Mostly sunny, with a high near 77. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon.
Sunday Night	Mostly clear, with a low around 42. South wind 5 to 9 mph becoming light and variable after midnight.
Monday	Sunny, with a high near 86. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night	Partly cloudy, with a low around 47.
Tuesday	Sunny, with a high near 89.
Tuesday Night	Mostly clear, with a low around 50.
Wednesday	Mostly sunny, with a high near 85.
Wednesday Night	Partly cloudy, with a low around 46.
Thursday	Mostly sunny, with a high near 78.
Thursday Night	Mostly clear, with a low around 44.
Friday	Sunny, with a high near 79.

Forecast from NOAA-NWS for Preston ID.

Weather Forecast Discussion

243
FXUS65 KPIH 091111
AFDPIH

Area Forecast Discussion
National Weather Service Pocatello ID
511 AM MDT Sat May 9 2026

.KEY MESSAGES...

- Slightly cooler today. Warming trend Sunday into next week.
  Temperatures 20 to 25 degrees above average by Monday
  continuing through Wednesday.

- No precipitation through Tuesday. Slight chance Wednesday
  through next Saturday.

&&

.DISCUSSION...
Issued at 303 AM MDT Sat May 9 2026

Will have slightly cooler conditions today but still warm with
highs in the 60s mountains and 70s valleys. Upper ridge builds
in Sunday with very warm conditions Sunday through Wednesday.
Highs tomorrow into the 80s low elevations and 60s and 70s
mountains. By Tuesday many low elevations will reach the lower
90s. And even some mountain areas will hit the 80s. It will be
the warmest day of spring so far. No precipiation is expected
through Tuesday. Ridge moves east Wednesday and southerly flow
aloft increases which should return some moisture and allow at
least a slight chance of showers and thunderstorms late
Wednesday into next Saturday.

&&

.AVIATION /12Z TAFS THROUGH 12Z SUNDAY/...
Issued at 508 AM MDT Sat May 9 2026

Upper level ridge moves east today and winds are expected to
lessen today. Will see around 10 knots in the afternoon with
gusts of 20 knots or so at BYI. Skies mainly clear through
tonight.

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

DISCUSSION...GK
AVIATION...GK

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