Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.NA
27°F
-3°C
| Humidity | 98% |
| Wind Speed | SW 0 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Last update | 29 Dec 09:52 PM PST |
Extended Forecast for
9 Miles ENE Happy Camp CA
Tonight
Low: 34 °F
Fog
Tuesday
High: 54 °F
Dense Fog
then SunnyTuesday Night
Low: 36 °F
Freezing Fog
and FogWednesday
High: 52 °F
Chance Rain
and Freezing
FogWednesday Night
Low: 41 °F
Rain Likely
New Year's Day
High: 53 °F
Rain
Thursday Night
Low: 41 °F
Rain
Friday
High: 53 °F
Rain
Friday Night
Low: 39 °F
Rain
Detailed Forecast
Tonight
Widespread fog. Otherwise, mostly clear, with a low around 34. East northeast wind around 6 mph.
Tuesday
Widespread dense fog before noon. Otherwise, sunny, with a high near 54. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Widespread fog after 10pm. Widespread freezing fog after 10pm. Otherwise, increasing clouds, with a low around 36. East southeast wind 3 to 6 mph.
Wednesday
A 30 percent chance of rain, mainly after 4pm. Widespread fog before 11am. Widespread freezing fog before 10am. Otherwise, partly sunny, with a high near 52. Light southeast wind.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 41. Light east southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. Mostly cloudy, with a high near 53.
Friday Night
Rain. Mostly cloudy, with a low around 39.
Saturday
Rain. Mostly cloudy, with a high near 49.
Saturday Night
Rain likely. Snow level 4400 feet. Mostly cloudy, with a low around 36.
Sunday
Rain likely. Snow level 4300 feet. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 37.
Monday
Rain likely. Snow level 4600 feet. Mostly cloudy, with a high near 49.
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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)
9:41 pm PST Dec 29, 2025
10pm PST Dec 29, 2025-6pm PST Jan 5, 2026
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