Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Mostly Cloudy

70°F

21°C

Humidity 40%
Wind Speed N 19 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 04:00 PM PDT
Extended Forecast for

5 Miles WNW Cottonwood ID

  • Overnight

    Overnight: A 40 percent chance of rain, mainly after 4am.  Mostly cloudy, with a steady temperature around 46. West wind around 8 mph.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: Rain, possibly mixing with snow after 11am, then gradually ending.  Snow level 8200 feet lowering to 5200 feet in the afternoon . High near 46. West northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. South wind around 7 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. West northwest wind 6 to 8 mph becoming east southeast after midnight.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after noon.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a steady temperature around 46. West wind around 8 mph.
Saturday
Rain, possibly mixing with snow after 11am, then gradually ending. Snow level 8200 feet lowering to 5200 feet in the afternoon . High near 46. West northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 28. West southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 46. South wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 32. West northwest wind 6 to 8 mph becoming east southeast after midnight.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 51.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Snow level 6200 feet lowering to 5500 feet in the afternoon . Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Cottonwood ID
 46.08°N 116.46°W (Elev. 5207 ft)
2:01 am MDT Mar 21, 2026
3am MDT Mar 21, 2026-6pm MDT Mar 27, 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