National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Marginal Risks of Severe Storms on the Central Plains; Flash flooding on the Northern Plains; Frost & Freeze Warnings in portions of the West & Northeast

A storm system developing across the Plains may cause locally severe weather in western Kansas and southwestern Nebraska today, with isolated flash flooding possible in portions of eastern Montana and western North Dakota. Frost and Freeze Warnings are in effect for portions of the central Rockies and central Appalachians tonight into Friday morning. 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 75%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 16 Oct 05:35 AM PDT
Extended Forecast for

Grangeville ID

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 50. Light and variable wind.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. South southwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 34. West wind 5 to 8 mph becoming calm after midnight.

    Low: 34 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. Calm wind becoming south around 5 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Cloudy, with a low around 37.

    Low: 37 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly before noon. Partly sunny, with a high near 47.

    High: 47 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 50. Light and variable wind.
Tonight
Partly cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 58. South southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Friday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 34. West wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 58. Calm wind becoming south around 5 mph.
Saturday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 42.
Sunday
Showers. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Cloudy, with a low around 37.
Monday
A chance of showers, mainly before noon. Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
Last Update:
3:30 am MDT Oct 16, 2025
Forecast Valid:
6am MDT Oct 16, 2025-6pm MDT Oct 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation