Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.
Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.NA
44°F
7°C
| Humidity | 87% |
| Wind Speed | WSW 5 MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Wind Chill | 41°F (5°C) |
| Last update | 06 Jan 10:52 PM PST |
Extended Forecast for
9 Miles ENE Happy Camp CA
Winter Weather Advisory January 7, 01:00pm until January 8, 01:00am
Tonight
Low: 41 °F
Rain
Wednesday
High: 46 °F
Slight Chance
Rain then
Rain/SnowWednesday Night
Low: 29 °F
Rain/Snow
LikelyThursday
High: 44 °F
Chance
Rain/SnowThursday Night
Low: 26 °F
Partly Cloudy
Friday
High: 49 °F
Sunny
Friday Night
Low: 30 °F
Partly Cloudy
Saturday
High: 51 °F
Mostly Sunny
Saturday Night
Low: 33 °F
Mostly Cloudy
Detailed Forecast
Tonight
Rain, mainly before 5am. Snow level 4400 feet. Steady temperature around 41. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain after 10am, mixing with snow after 5pm. Snow level 4100 feet lowering to 3300 feet in the afternoon . High near 46. West southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, possibly mixed with snow, mainly before 4am. Snow level 2400 feet lowering to 1800 feet after midnight . Mostly cloudy, with a low around 29. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level rising to 2200 feet in the afternoon. Mostly sunny, with a high near 44. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 26. Light east wind.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
9 Miles ENE Happy Camp CA
41.84°N 123.19°W (Elev. 1421 ft)
41.84°N 123.19°W (Elev. 1421 ft)
11:11 pm PST Jan 6, 2026
11pm PST Jan 6, 2026-6pm PST Jan 13, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
