Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Partly Cloudy

30°F

-1°C

Humidity 74%
Wind Speed SW 4 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 15 Mar 12:35 AM PDT
Extended Forecast for

Grangeville ID

  • Overnight

    Overnight: A 20 percent chance of snow before 2am.  Mostly cloudy, with a low around 26. West southwest wind 3 to 5 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 41. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow before 1am, then rain and snow likely.  Snow level rising to 5400 feet after midnight. Cloudy, with a low around 34. Light and variable wind becoming south southwest around 6 mph after midnight.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain.  High near 51. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 42. South wind around 10 mph.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of snow before 2am. Mostly cloudy, with a low around 26. West southwest wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 41. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A chance of snow before 1am, then rain and snow likely. Snow level rising to 5400 feet after midnight. Cloudy, with a low around 34. Light and variable wind becoming south southwest around 6 mph after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Rain. High near 51. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 42. South wind around 10 mph.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 57.
Tuesday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 62.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 67.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Friday
A slight chance of rain. Partly sunny, with a high near 68.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Saturday
A slight chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
12:22 am MDT Mar 15, 2026
1am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
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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