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

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

Grangeville ID

  • Tonight

    Tonight: A slight chance of rain before midnight, then a slight chance of rain after 5am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain, mainly before noon. High near 50. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Snow level 5600 feet lowering to 3600 feet after midnight . Partly cloudy, with a low around 31. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 34 mph.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. North wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of rain before midnight, then a slight chance of rain after 5am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 20%.
Saturday
Rain, mainly before noon. High near 50. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 20 percent chance of rain before midnight. Snow level 5600 feet lowering to 3600 feet after midnight . Partly cloudy, with a low around 31. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 50. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 35. North wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain and snow. Snow level 6000 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
Last Update:
2:41 pm MDT Mar 20, 2026
Forecast Valid:
11pm MDT Mar 20, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation