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.

Partly Cloudy and Breezy

10°F

-12°C

Humidity	56%
Wind Speed	W 22 G 32 mph
Barometer	30.21 in
Dewpoint	-2°F (-19°C)
Visibility	10.00 mi
Wind Chill	-10°F (-23°C)
Last update	22 Jan 6:45 pm CST

More Information:

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

Extended Forecast for

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

Tonight
Low: -16 °F
Slight Chance
Snow and
Blustery then
Mostly Clear
Friday
High: -5 °F
Cold
Friday Night
Low: -14 °F
Increasing
Clouds
Saturday
High: 3 °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
Monday Night
Low: 6 °F
Mostly Cloudy

Detailed Forecast

Tonight

A slight 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 20%.

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 3. Wind chill values between -15 and -25. Northeast wind around 5 mph.

Saturday Night

A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around -1. Calm wind becoming north around 5 mph after midnight.

Sunday

A 30 percent chance of snow. Mostly cloudy, with a high near 11. North wind 5 to 10 mph.

Sunday Night

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

Monday

Sunny and cold, with a high near 8. Northwest wind around 10 mph becoming southwest in the afternoon.

Monday Night

Mostly cloudy, with a steady temperature around 6.

Tuesday

Partly sunny, with a high near 17.