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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Overcast

48°F

9°C

Humidity 57%
Wind Speed SSW 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Mar 03:35 AM PDT
Extended Forecast for

Grangeville ID

  • Today

    Today: A 20 percent chance of rain after 3pm. Mostly cloudy, with a high near 57. Southwest wind around 9 mph.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 43. South southwest wind 6 to 8 mph.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. West northwest wind 6 to 9 mph becoming south in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

Today
A 20 percent chance of rain after 3pm. Mostly cloudy, with a high near 57. Southwest wind around 9 mph.
Tonight
A 20 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 43. South southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 66. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 46. West northwest wind 6 to 9 mph becoming south in the evening.
Thursday
Mostly sunny, with a high near 68. South wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 69.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 54.
Saturday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 33.
Sunday
A slight chance of rain. Mostly sunny, with a high near 51.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 33.
Monday
A slight chance of rain. Partly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
2:01 am MDT Mar 17, 2026
Forecast Valid:
5am MDT Mar 17, 2026-6pm MDT Mar 23, 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