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

5 Miles WNW Cottonwood ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. West wind 8 to 11 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. South southwest wind 7 to 9 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Snow likely before 5am, then a chance of rain and snow.  Cloudy, with a low around 31. South southwest wind 7 to 13 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow likely, becoming all rain after 9am.  Snow level 5900 feet rising to 8400 feet in the afternoon. Mostly cloudy, with a high near 46. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 38. South southwest wind around 14 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. West wind 8 to 11 mph.
Sunday
Partly sunny, with a high near 36. South southwest wind 7 to 9 mph.
Sunday Night
Snow likely before 5am, then a chance of rain and snow. Cloudy, with a low around 31. South southwest wind 7 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Rain and snow likely, becoming all rain after 9am. Snow level 5900 feet rising to 8400 feet in the afternoon. Mostly cloudy, with a high near 46. South southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 38. South southwest wind around 14 mph, with gusts as high as 18 mph.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 53.
Tuesday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 61.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 63.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Cottonwood ID
 46.08°N 116.46°W (Elev. 5207 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