Likelihood of HISTORIC Northern Rockies 3-5 day precipitation and snowmelt this week in some valleys and west slopes resulting in poor drainage ponding and stream flooding threats along with rockslides. Several feet of heavy snow above 8000 feet possible.

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Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Overcast

43°F

6°C

Humidity 75%
Wind Speed SSW 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 08 Dec 12:35 PM PST
Extended Forecast for

15 Miles S Syringa ID

Flood Watch December 8, 05:00pm until December 11, 05:00pm
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow.  Snow level 6300 feet rising to 6900 feet. High near 38. South southwest wind around 16 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain.  Low around 33. Breezy, with a south southwest wind 23 to 28 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all snow after 11am. The snow could be heavy at times.  Temperature falling to around 29 by 5pm. Breezy, with a west southwest wind 21 to 26 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 39 °F

    Rain/Snow and
    Breezy then
    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow before 11pm, then rain, possibly mixed with snow between 11pm and 2am, then rain after 2am.  Snow level rising to 8000 feet after midnight. Low around 32. Southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 2pm, then rain, possibly mixed with snow.  High near 42. West southwest wind 14 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow.  Low around 39. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Thursday

    Thursday: Rain likely, possibly mixed with snow.  Cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before 11am.  Partly sunny, with a high near 42.

    High: 42 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow. Snow level 6300 feet rising to 6900 feet. High near 38. South southwest wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain. Low around 33. Breezy, with a south southwest wind 23 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all snow after 11am. The snow could be heavy at times. Temperature falling to around 29 by 5pm. Breezy, with a west southwest wind 21 to 26 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow before 11pm, then rain, possibly mixed with snow between 11pm and 2am, then rain after 2am. Snow level rising to 8000 feet after midnight. Low around 32. Southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Rain before 2pm, then rain, possibly mixed with snow. High near 42. West southwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow. Low around 39. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Rain likely, possibly mixed with snow. Cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain before 11am. Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A chance of rain and snow. Snow level 6700 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 33.
Sunday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Syringa ID
 45.94°N 115.78°W (Elev. 6070 ft)
1:01 pm MST Dec 8, 2025
2pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database