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

55°F

13°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 17 Mar 01:35 PM PDT
Extended Forecast for

Grangeville ID

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 5pm. Mostly cloudy, with a high near 58. Southwest wind around 8 mph.

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South southwest wind 6 to 9 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly 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. North wind 6 to 8 mph becoming south in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

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

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before noon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 5pm. Mostly cloudy, with a high near 58. Southwest wind around 8 mph.
Tonight
A 20 percent chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South southwest wind 6 to 9 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. North wind 6 to 8 mph becoming south in the evening.
Thursday
Partly 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 49.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 70.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 52.
Saturday Night
A slight chance of rain. Snow level 5300 feet lowering to 4000 feet after midnight . Partly cloudy, with a low around 31.
Sunday
A slight chance of rain. Snow level 3800 feet rising to 5000 feet in the afternoon. Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
Last Update:
2:11 pm MDT Mar 17, 2026
Forecast Valid:
2pm 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