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.

Mostly Cloudy

12°F

-11°C

Humidity	57%
Wind Speed	W 12 mph
Barometer	30.17 in
Dewpoint	0°F (-18°C)
Visibility	10.00 mi
Wind Chill	-2°F (-19°C)
Last update	22 Jan 9:45 am CST

More Information:

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

Extended Forecast for

5 Miles NNW Shirland IL

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

Today
High: 20 °F
Slight Chance
Snow and
Patchy
Blowing Snow
Tonight
Low: -16 °F
Scattered
Flurries and
Blustery then
Mostly Clear
Friday
High: -4 °F
Cold
Friday Night
Low: -14 °F
Mostly Cloudy
Saturday
High: 3 °F
Mostly Cloudy
then Slight
Chance Snow
Showers
Saturday Night
Low: -5 °F
Chance Snow
Sunday
High: 10 °F
Chance Snow
Sunday Night
Low: -7 °F
Partly Cloudy
Monday
High: 11 °F
Mostly Sunny

Detailed Forecast

Today

A chance of flurries before noon, then a slight chance of snow after noon. Patchy blowing snow between 1pm and 3pm. Mostly cloudy, with a high near 20. Wind chill values between -5 and 5. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

Tonight

Scattered flurries before 10pm. Partly cloudy, 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.

Friday

Sunny and cold, with a high near -4. Wind chill values between -30 and -40. Northwest wind 10 to 15 mph.

Friday Night

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

Saturday

A 20 percent chance of snow showers after noon. Mostly cloudy and cold, with a high near 3. North wind around 5 mph.

Saturday Night

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

Sunday

A 30 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 10. North wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around -7. Northwest wind 5 to 10 mph.