Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory in effect from December 29, 11:45 AM PST until January 1, 12:00 PM PST

Current conditions at

Winchester (ITD41)

Lat: 46.25521°NLon: 116.6051°WElev: 3761.0ft.

36°F

2°C

Humidity	70%
Wind Speed	SSW 2 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	1.24 mi
Last update	31 Dec 11:00 AM PST

More Information:

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

Extended Forecast for

10 Miles SSW Winchester ID

Air Stagnation Advisory until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Today
High: 38 °F⇓
Partly Sunny
Tonight
Low: 26 °F
Partly Cloudy
New Year's Day
High: 37 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Thursday Night
Low: 31 °F
Chance
Rain/Snow
then Chance
Rain
Friday
High: 40 °F
Chance Rain
then Slight
Chance Rain
Friday Night
Low: 33 °F
Mostly Cloudy
Saturday
High: 43 °F
Chance Rain
Saturday Night
Low: 31 °F
Chance Rain
then Chance
Rain/Snow

Detailed Forecast

Today

Partly sunny, with a temperature falling to around 33 by 5pm. South wind around 5 mph becoming calm in the afternoon.

Tonight

Partly cloudy, with a low around 26. Light south wind.

New Year's Day

A slight chance of rain and snow after 4pm. Mostly cloudy, with a high near 37. South wind 3 to 5 mph. Chance of precipitation is 10%.

Thursday Night

A slight chance of rain and snow before 10pm, then a chance of rain. Snow level 5300 feet rising to 6100 feet. Cloudy, with a low around 31. South wind 3 to 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday

A 50 percent chance of rain, mainly before 10am. Snow level 7200 feet. Mostly cloudy, with a high near 40. South wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Mostly cloudy, with a low around 33.

Saturday

A 50 percent chance of rain, mainly before 4pm. Snow level 6300 feet. Mostly cloudy, with a high near 43.

Saturday Night

A chance of rain before 1am, then a chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

Sunday

A chance of rain and snow, mainly before 4pm. Snow level 4800 feet. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

Sunday Night

A slight chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

Monday

A 40 percent chance of snow. Mostly cloudy, with a high near 39.

Monday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 29.

Tuesday

A 20 percent chance of snow. Partly sunny, with a high near 38.