Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

16°F

-9°C

Humidity	53%
Wind Speed	W 20 G 31 mph
Barometer	30.15 in
Dewpoint	1°F (-17°C)
Visibility	10.00 mi
Wind Chill	-1°F (-18°C)
Last update	22 Jan 3:45 pm CST

More Information:

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

Extended Forecast for

4 Miles WNW Beloit WI

Cold Weather Advisory January 23, 01:00pm until January 24, 12:00pm

Extreme Cold Warning January 23, 12:00am until January 23, 01:00pm

Click here for hazard details and duration

Cold Weather Advisory

Extreme Cold Warning

This Afternoon
High: 20 °F
Snow Likely
and Patchy
Blowing Snow
Tonight
Low: -16 °F
Chance Snow
and Blustery
then Mostly
Clear
Friday
High: -5 °F
Cold
Friday Night
Low: -14 °F
Increasing
Clouds
Saturday
High: 4 °F
Mostly Cloudy
then Slight
Chance Snow
Saturday Night
Low: -1 °F
Chance Snow
Sunday
High: 11 °F
Chance Snow
Sunday Night
Low: -7 °F
Slight Chance
Snow then
Partly Cloudy
Monday
High: 8 °F
Cold

Detailed Forecast

This Afternoon

Snow likely, mainly before 5pm. Patchy blowing snow before 5pm. Partly sunny, with a high near 20. Wind chill values between -5 and zero. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of snow before 8pm, then a chance of flurries between 8pm and midnight. Mostly clear, with a low around -16. Wind chill values between -25 and -35. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Friday

Sunny and cold, with a high near -5. Wind chill values between -30 and -40. Northwest wind 10 to 15 mph.

Friday Night

Increasing clouds, with a low around -14. Wind chill values between -20 and -25. North wind around 5 mph.

Saturday

A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 4. Northeast wind around 5 mph.

Saturday Night

A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around -1. North wind around 5 mph.

Sunday

A 30 percent chance of snow. Mostly cloudy, with a high near 11. North wind around 10 mph.

Sunday Night

A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -7. Northwest wind around 10 mph.