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

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

34°F

1°C

Humidity	81%
Wind Speed	W 13 mph
Barometer	29.82 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	25°F (-4°C)
Last update	31 Dec 10:45 am CST

More Information:

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

Extended Forecast for

5 Miles SSW Janesville WI

Today
High: 35 °F
Snow
Tonight
Low: 7 °F
Chance Snow
then Partly
Cloudy
New Year's Day
High: 18 °F
Partly Sunny
then Slight
Chance Snow
Thursday Night
Low: 10 °F
Partly Cloudy
Friday
High: 23 °F
Mostly Sunny
Friday Night
Low: 10 °F
Increasing
Clouds
Saturday
High: 23 °F
Partly Sunny
Saturday Night
Low: 11 °F
Partly Cloudy
Sunday
High: 29 °F
Partly Sunny

Detailed Forecast

Today

Snow. High near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

Tonight

A 30 percent chance of snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between -5 and zero. North wind 5 to 15 mph, with gusts as high as 30 mph.

New Year's Day

A slight chance of snow between noon and 3pm. Increasing clouds, with a high near 18. Wind chill values between -5 and 5. West wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around 10. Southwest wind around 5 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 23. Northwest wind 5 to 10 mph.

Friday Night

Increasing clouds, with a low around 10. Northwest wind around 5 mph becoming calm in the evening.

Saturday

Partly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.

Saturday Night

Partly cloudy, with a low around 11. Northwest wind around 5 mph becoming calm.

Sunday

Partly sunny, with a high near 29.