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.

Clear

28°F

-2°C

Humidity 58%
Wind Speed WSW 6 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 10 Mar 12:35 AM PDT
Extended Forecast for

Kooskia ID

  • Overnight

    Overnight: A chance of rain and snow before 3am, then snow likely. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 44. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly between 11pm and 5am. Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow likely before noon, then rain. Snow level rising to 3600 feet in the afternoon. High near 51. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 51 °F

    Snow Likely
    then Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 43. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain. High near 54. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Friday

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

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 39.

    Low: 39 °F

    Rain

Detailed Forecast

Overnight
A chance of rain and snow before 3am, then snow likely. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 44. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly between 11pm and 5am. Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before noon, then rain. Snow level rising to 3600 feet in the afternoon. High near 51. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain. Low around 43. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 54. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. Cloudy, with a high near 55.
Friday Night
Rain. Cloudy, with a low around 39.
Saturday
Rain before 9am, then rain and snow between 9am and noon, then rain likely after noon. Snow level 4300 feet lowering to 2200 feet in the afternoon . Mostly cloudy, with a high near 50.
Saturday Night
A chance of rain and snow. Snow level 2100 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Snow level rising to 2300 feet in the afternoon. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kooskia ID
 46.13°N 115.98°W (Elev. 1352 ft)
Last Update:
12:21 am MDT Mar 10, 2026
Forecast Valid:
1am MDT Mar 10, 2026-6pm MDT Mar 16, 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