Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies

A storm system moving eastward will bring widespread showers and thunderstorms over parts of the Northern Plains to the Southern Plains and Upper Great Lakes through Friday. Heavy snow will continue over parts of the Northern Rockies. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

Lat: 45.94111°NLon: 116.13257°WElev: 3287.0ft.

Overcast

41°F

5°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Oct 01:55 AM PDT
Extended Forecast for

Grangeville ID

  • Overnight

    Overnight: Widespread frost, mainly after 5am.  Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 10am.  Otherwise, sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 34. West wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Saturday

    Saturday: Areas of frost between 7am and 9am.  Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 34. Calm wind.
Thursday
Widespread frost before 10am. Otherwise, sunny, with a high near 53. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 36. Calm wind becoming south southwest around 6 mph in the evening.
Friday
Mostly sunny, with a high near 57. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Friday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 34. West wind 5 to 9 mph becoming light and variable after midnight.
Saturday
Areas of frost between 7am and 9am. Otherwise, sunny, with a high near 58.
Saturday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. Cloudy, with a high near 55.
Sunday Night
Rain likely. Mostly cloudy, with a low around 36.
Monday
A chance of rain, mainly before noon. Partly sunny, with a high near 49.
Monday Night
Widespread frost. Otherwise, partly cloudy, with a low around 33.
Tuesday
Widespread frost. Otherwise, partly sunny, with a high near 53.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
2:30 pm MDT Oct 15, 2025
3am MDT Oct 16, 2025-6pm MDT Oct 22, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database