Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

19°F

-7°C

Humidity	93%
Wind Speed	W 8 mph
Barometer	29.91 in
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Wind Chill	9°F (-13°C)
Last update	21 Jan 8:45 am CST

More Information:

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

Extended Forecast for

7 Miles NE Avalon WI

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm

Click here for hazard details and duration

Extreme Cold Watch

Today
High: 23 °F
Mostly Cloudy
then Snow
Showers
Tonight
Low: 5 °F
Snow Showers
and Patchy
Blowing Snow
Thursday
High: 17 °F
Mostly Sunny
then Slight
Chance Snow
Showers
Thursday Night
Low: -16 °F
Partly Cloudy
Friday
High: -7 °F
Cold
Friday Night
Low: -18 °F
Partly Cloudy
Saturday
High: -1 °F
Cold
Saturday Night
Low: -9 °F
Chance Snow
Sunday
High: 8 °F
Chance Snow

Detailed Forecast

Today

Snow showers, mainly after 5pm. High near 23. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow showers, mainly before 9pm. Patchy blowing snow before 3am. Low around 5. Wind chill values between -5 and 5. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 17. Wind chill values between -10 and zero. West wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

Partly cloudy, with a low around -16. Wind chill values between -25 and -35. Northwest wind around 15 mph, with gusts as high as 30 mph.

Friday

Sunny and cold, with a high near -7. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Night

Partly cloudy, with a low around -18. Northwest wind around 5 mph.

Saturday

Partly sunny and cold, with a high near -1. Northwest wind around 5 mph.

Saturday Night

A 30 percent chance of snow. Mostly cloudy, with a low around -9. Calm wind becoming north around 5 mph after midnight.

Sunday

A 30 percent chance of snow, mainly before noon. Partly sunny and cold, with a high near 8.