
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
48°F
9°C
| Humidity | 66% |
| Wind Speed | SSW 25 MPH |
| Barometer | 29.96 in (1014.56 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 08 Dec 07:55 PM PST |
Extended Forecast for
Grangeville ID
Flood Watch until December 11, 05:00pm
NOW until 5:00pm Thu

Flood Watch
Tonight

Low: 42 °F
Rain and
BreezyTuesday

High: 45 °F
Rain and
BreezyTuesday Night

Low: 40 °F⇑
Rain
Wednesday

High: 50 °F
Rain
Wednesday Night

Low: 45 °F
Rain
Thursday

High: 50 °F
Rain Likely
Thursday Night

Low: 42 °F
Chance Rain
Friday
High: 52 °F
Slight Chance
Rain then
Partly Sunny
Detailed Forecast
Tonight
Rain. Low around 42. Breezy, with a south southwest wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 45. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Temperature rising to around 47 by 3am. South southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 50. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 45. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Cloudy, with a high near 50. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Friday
A slight chance of rain before 11am. Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36.
Monday
Rain likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST
Point Forecast:
Grangeville ID
45.93°N 116.12°W (Elev. 3389 ft)
45.93°N 116.12°W (Elev. 3389 ft)
1:01 pm MST Dec 8, 2025
9pm MST Dec 8, 2025-6pm MST Dec 15, 2025



