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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

64°F

18°C

Humidity 52%
Wind Speed NE 8 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Mar 03:10 PM PDT
Extended Forecast for

Grangeville ID

  • Overnight

    Overnight: Partly cloudy, with a low around 47. South southwest wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain. High near 51. Light north northwest wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Snow level 5200 feet lowering to 3300 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 25 mph.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °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 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. South southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 74. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
Rain. High near 51. Light north northwest wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of rain before midnight. Snow level 5200 feet lowering to 3300 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 25 mph.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain and snow. Snow level 5800 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 31.
Thursday
A slight chance of snow. Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
12:21 am MDT Mar 20, 2026
Forecast Valid:
1am MDT Mar 20, 2026-6pm MDT Mar 26, 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