
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
46°F
8°C
| Humidity | 65% |
| Wind Speed | SSW 26 MPH |
| Barometer | 29.98 in (1015.24 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 08 Dec 04:35 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
Tuesday Night

Low: 40 °F⇑
Rain
Wednesday

High: 50 °F
Rain
Wednesday Night

Low: 44 °F
Rain
Thursday

High: 50 °F
Rain Likely
Thursday Night

Low: 41 °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 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 45. Southwest wind 11 to 20 mph, with gusts as high as 33 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 46 by 3am. South southwest wind 6 to 11 mph, with gusts as high as 21 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 14 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 44. 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 41.
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 49.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
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
45.95°N 116.12°W (Elev. 3301 ft)
45.95°N 116.12°W (Elev. 3301 ft)
1:01 pm MST Dec 8, 2025
6pm MST Dec 8, 2025-6pm MST Dec 15, 2025



