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 >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Trinity Center (KO86)

Lat: 40.98452°NLon: 122.69342°WElev: 2385.0ft.

Mostly Cloudy

32°F

0°C

Humidity	100%
Wind Speed	W 4 MPH
Barometer	30.3 in (1026.08 mb)
Dewpoint	32°F (0°C)
Visibility	8.00 mi
Wind Chill	28°F (-2°C)
Last update	29 Dec 11:10 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

12 Miles WSW Mount Shasta CA

Tonight
Low: 34 °F
Mostly Clear
Tuesday
High: 42 °F
Sunny
Tuesday Night
Low: 33 °F
Partly Cloudy
Wednesday
High: 44 °F
Chance
Rain/Snow
then
Rain/Snow
Likely
Wednesday Night
Low: 34 °F
Rain/Snow
Likely then
Rain Likely
New Year's Day
High: 39 °F
Rain
Thursday Night
Low: 35 °F
Rain/Snow
Friday
High: 39 °F
Rain/Snow
Friday Night
Low: 30 °F
Heavy Snow
and Breezy

Detailed Forecast

Tonight

Mostly clear, with a low around 34. Northeast wind around 8 mph.

Tuesday

Sunny, with a high near 42. East northeast wind around 5 mph becoming calm in the morning.

Tuesday Night

Partly cloudy, with a low around 33. West wind around 6 mph.

Wednesday

Snow likely, possibly mixed with rain, mainly after 4pm. Mostly cloudy, with a high near 44. Northwest wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow likely, becoming all rain after 7pm. Mostly cloudy, with a low around 34. South southeast wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

New Year's Day

Rain. High near 39. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain and snow before 10pm, then rain likely between 10pm and 1am, then rain and snow likely after 1am. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain and snow, becoming all snow after 1pm. Cloudy, with a high near 39.

Friday Night

Snow. The snow could be heavy at times. Mostly cloudy, with a low around 30. Breezy.

Saturday

Snow. The snow could be heavy at times. Mostly cloudy, with a high near 34.

Saturday Night

Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 29.

Sunday

Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 34.

Sunday Night

Snow likely. Mostly cloudy, with a low around 29.