Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Mar 05:15 AM PDT
Extended Forecast for

Grangeville ID

  • Today

    Today: 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

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. West wind 6 to 9 mph becoming east southeast in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. West wind 5 to 9 mph becoming south in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent 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 51. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 46. West wind 6 to 9 mph becoming east southeast in the evening.
Thursday
Mostly sunny, with a high near 69. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 49. West wind 5 to 9 mph becoming south in the evening.
Friday
Partly sunny, with a high near 69. South wind 6 to 11 mph, with gusts as high as 22 mph.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A slight chance of rain. Partly sunny, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
Rain likely. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
2:01 am MDT Mar 18, 2026
6am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database