Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

-17°F

-27°C

Humidity	51%
Wind Speed	NW 14 G 21 mph
Barometer	30.64 in
Dewpoint	-29°F (-34°C)
Visibility	10.00 mi
Wind Chill	-40°F (-40°C)
Last update	23 Jan 7:45 am CST

More Information:

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

Extended Forecast for

5 Miles SSE Clinton WI

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

Extreme Cold Warning January 23, 08:32am until January 23, 01:00pm

Click here for hazard details and duration

Cold Weather Advisory

Extreme Cold Warning

Extreme Cold Warning January 23, 08:32am until January 23, 01:00pm
NOW until 1:00pm Fri
Extreme Cold Warning
Today
High: -6 °F
Cold
Tonight
Low: -15 °F
Partly Cloudy
Saturday
High: 2 °F
Mostly Cloudy
then Slight
Chance Snow
Saturday Night
Low: -3 °F
Chance Snow
Sunday
High: 10 °F
Chance Snow
Sunday Night
Low: -7 °F
Mostly Cloudy
Monday
High: 8 °F
Cold
Monday Night
Low: 1 °F
Mostly Cloudy

Detailed Forecast

Today

Sunny and cold, with a high near -6. Wind chill values between -30 and -40. Northwest wind 10 to 15 mph.

Tonight

Partly cloudy, with a low around -15. 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 2. Wind chill values between -15 and -25. North wind around 5 mph becoming calm in the morning.

Saturday Night

A 40 percent chance of snow. Cloudy, with a low around -3. Wind chill values between -5 and -10. Light northeast wind becoming north 5 to 10 mph after midnight.

Sunday

A 40 percent chance of snow. Mostly cloudy and cold, with a high near 10. North wind around 10 mph.

Sunday Night

Mostly cloudy, with a low around -7. Northwest wind around 10 mph.

Monday

Mostly sunny and cold, with a high near 8. Northwest wind 10 to 15 mph becoming southwest in the afternoon.

Monday Night

Mostly cloudy, with a low around 1. Southwest wind 10 to 15 mph.

Tuesday

Partly sunny, with a high near 15.

Tuesday Night

Partly cloudy, with a low around -3.