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

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Mostly Cloudy

30°F

-1°C

Humidity 74%
Wind Speed SE 8 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 10 Mar 07:15 PM PDT
Extended Forecast for

Grangeville ID

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 1am. Increasing clouds, with a low around 26. West wind 6 to 9 mph becoming south in the evening. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain, possibly mixed with snow. High near 43. South southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain. Low around 40. South southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain before noon, then rain, possibly mixed with snow between noon and 3pm, then rain after 3pm. High near 45. Southwest wind 9 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain before 3am, then rain, possibly mixed with snow. Low around 39. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Saturday

    Saturday: Rain before noon, then rain and snow likely between noon and 3pm, then snow likely after 3pm. Snow level 5400 feet lowering to 3300 feet in the afternoon . Mostly cloudy, with a high near 43. Breezy.

    High: 43 °F

    Rain then
    Rain/Snow
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 1am. Increasing clouds, with a low around 26. West wind 6 to 9 mph becoming south in the evening. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 1pm, then rain, possibly mixed with snow. High near 43. South southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain. Low around 40. South southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before noon, then rain, possibly mixed with snow between noon and 3pm, then rain after 3pm. High near 45. Southwest wind 9 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
Rain before 3am, then rain, possibly mixed with snow. Low around 39. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before noon, then rain and snow likely between noon and 3pm, then snow likely after 3pm. Snow level 5400 feet lowering to 3300 feet in the afternoon . Mostly cloudy, with a high near 43. Breezy.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 29. Blustery.
Sunday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 43.
Sunday Night
Rain and snow likely. Snow level rising to 4300 feet after midnight. Cloudy, with a low around 37.
Monday
Rain likely. Cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
2:11 pm MDT Mar 10, 2026
Forecast Valid:
8pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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