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. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday 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

54°F

12°C

Humidity 54%
Wind Speed SW 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Mar 08:55 AM PDT
Extended Forecast for

Grangeville ID

  • Today

    Today: Mostly sunny, with a high near 74. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. West wind 5 to 9 mph becoming east in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 45. West wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before noon.  High near 49. Light west wind becoming west northwest 5 to 10 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight.  Snow level 4800 feet lowering to 3600 feet after midnight . Mostly clear, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 74. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 48. West wind 5 to 9 mph becoming east in the evening.
Friday
Partly sunny, with a high near 74. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 45. West wind 5 to 10 mph becoming light and variable after midnight.
Saturday
Rain, mainly before noon. High near 49. Light west wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of rain before midnight. Snow level 4800 feet lowering to 3600 feet after midnight . Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 56.
Monday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
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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 19, 2026
10am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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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