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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Partly Cloudy

61°F

16°C

Humidity 59%
Wind Speed NNW 6 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Apr 06:15 PM PDT
Extended Forecast for

Grangeville ID

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 41. North wind 5 to 9 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers

  • Wednesday

    Wednesday: Rain. High near 47. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain likely, possibly mixed with snow between midnight and 3am, then rain likely after 3am. Low around 36. Southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow, becoming all rain after 3pm. Some thunder is also possible. Snow level 3800 feet. High near 45. Southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely before 3am, then a chance of rain and snow. Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 33. West northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Friday

    Friday: Snow likely before 9am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Snow level rising to 4100 feet in the afternoon. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Snow level 4100 feet lowering to 3300 feet after midnight . Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after noon. Snow level rising to 4600 feet in the afternoon. Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 41. North wind 5 to 9 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain. High near 47. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain before midnight, then rain likely, possibly mixed with snow between midnight and 3am, then rain likely after 3am. Low around 36. Southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all rain after 3pm. Some thunder is also possible. Snow level 3800 feet. High near 45. Southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain likely before 3am, then a chance of rain and snow. Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 33. West northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Snow likely before 9am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Snow level rising to 4100 feet in the afternoon. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of rain before midnight. Snow level 4100 feet lowering to 3300 feet after midnight . Partly cloudy, with a low around 28.
Saturday
A slight chance of rain after noon. Snow level rising to 4600 feet in the afternoon. Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
A slight chance of rain after noon. Snow level rising to 4600 feet in the afternoon. Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A chance of rain. Snow level 4200 feet rising to 5400 feet in the afternoon. Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
2:00 pm MDT Apr 21, 2026
Forecast Valid:
7pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation