Alpine, ID Weather Forecast

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Alpine, ID Weather Forecast

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Alpine ID weather  - Lightning Observed - 62°F
Lightning Observed
62°F
Updated 5:27 pm
Feels Like 69°F
Humidity 49%
Wind S 6 mph
Barometer  30.17 in
Dew Point 43°F
Alpine ID weather  - Lightning Observed - 17°C
Lightning Observed
17°C
Updated 5:27 pm
Feels Like 21°C
Humidity 49%
Wind S 10 km/h
Barometer  102.2 kPa
Dew Point 6°C

Alpine Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY WEDNESDAY THURSDAY THURSDAY NIGHT FRIDAY
Alpine, ID Weather - Tonight Chance Of T-Storm Alpine, ID Weather - Saturday Mostly Sunny Alpine, ID Weather - Saturday Night Mostly Clear Alpine, ID Weather - Sunday Sunny Alpine, ID Weather - Sunday Night Mostly Clear Alpine, ID Weather - Monday Mostly Clear Alpine, ID Weather - Tuesday Mostly Clear Alpine, ID Weather - Wednesday Mostly Clear Alpine, ID Weather - Thursday Mostly Clear Alpine, ID Weather - Thursday Night Partly Cloudy Alpine, ID Weather - Friday Partly Cloudy
Chance of T-Storm Mostly Sunny Mostly Clear Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
Lo: 53°FLo: 12°C Hi: 78°FHi: 26°C
Lo: 53°FLo: 12°C Hi: 80°FHi: 27°C
Lo: 55°FLo: 13°C Hi: 83°FHi: 28°C
Lo: 56°FLo: 13°C
Hi: 83°FHi: 28°C
Lo: 56°FLo: 13°C
Hi: 83°FHi: 28°C
Lo: 56°FLo: 13°C
Hi: 83°FHi: 28°C
Lo: 56°FLo: 13°C
Hi: 82°FHi: 28°C
Lo: 57°FLo: 14°C
Hi: 82°FHi: 28°C
Lo: 57°FLo: 14°C
POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM MDT Fri Sep 18 2026 Alpine, ID Weather - WeatherWorld.com

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Issued: 217 PM MDT Fri Sep 18 2026

Key Messages

  • Numerous showers, isolated-to-scattered thunderstorms, and cooler temperatures today. Strongest thunderstorms in central Idaho with gusty outflow winds, hail, and brief heavy rain.
  • Showers and thunderstorms continue tonight and tomorrow over the central Idaho mountains.
  • Gradual warming and drying trend beginning Saturday and continuing through early next week.

Aviation

/18Z Friday through Saturday/... Issued 1138 AM MDT FRI SEP 18 2026 VFR in eastern Oregon. Mainly VFR in southwest Ida...