Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

34°F

1°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Apr 03:35 AM PDT
Extended Forecast for

Grangeville ID

  • Today

    Today: Mostly sunny, with a high near 66. South southeast wind around 5 mph becoming calm.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 44. East northeast wind around 5 mph becoming calm  after midnight.

    Low: 44 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. Light and variable wind becoming south around 6 mph after midnight.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then rain likely after 9pm.  Mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain before noon, then showers and possibly a thunderstorm after noon.  High near 51. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 40.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 66. South southeast wind around 5 mph becoming calm.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 44. East northeast wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 47. Light and variable wind becoming south around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 76. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, then rain likely after 9pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain before noon, then showers and possibly a thunderstorm after noon. High near 51. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Cloudy, with a low around 40.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 50.
Thursday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 34.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
2:00 am MDT Apr 19, 2026
5am MDT Apr 19, 2026-6pm MDT Apr 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