Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

51°F

11°C

Humidity	28%
Wind Speed	SSE 3 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Last update	30 Dec 07:01 AM PST

More Information:

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

Extended Forecast for

5 Miles NE Hopland CA

Today
High: 53 °F
Increasing
Clouds
Tonight
Low: 50 °F
Mostly Cloudy
then Slight
Chance Rain
Wednesday
High: 53 °F
Chance Rain
Wednesday Night
Low: 47 °F
Rain
New Year's Day
High: 53 °F
Rain
Thursday Night
Low: 49 °F
Rain
Friday
High: 53 °F
Showers and
Breezy
Friday Night
Low: 44 °F
Rain
Saturday
High: 45 °F
Rain

Detailed Forecast

Today

Increasing clouds, with a high near 53. East northeast wind 5 to 8 mph.

Tonight

A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 50. Northeast wind 5 to 8 mph.

Wednesday

A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 53. East wind 7 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain. Low around 47. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 53. Southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain. Low around 49. South southeast wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Showers and possibly a thunderstorm before 1pm, then rain after 1pm. High near 53. Breezy. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Rain. Cloudy, with a low around 44.

Saturday

Rain. Mostly cloudy, with a high near 45.

Saturday Night

Rain likely. Mostly cloudy, with a low around 43.

Sunday

Rain likely. Mostly cloudy, with a high near 47.

Sunday Night

Rain likely. Mostly cloudy, with a low around 44.

Monday

Rain likely. Mostly cloudy, with a high near 49.