
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.
Hazardous Weather Conditions
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 Chill | 39°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
This Afternoon

High: 38 °F
Rain/Snow
Tonight

Low: 33 °F
Rain and
BreezyTuesday
High: 39 °F⇓
Rain/Snow and
Breezy then
Heavy SnowTuesday Night

Low: 32 °F
Rain/Snow
Wednesday
High: 42 °F
Rain then
Rain/SnowWednesday Night

Low: 39 °F
Rain/Snow
Thursday

High: 42 °F
Rain/Snow
LikelyThursday Night

Low: 39 °F
Chance Rain
Friday
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)
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



