Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

10°F

-12°C

Humidity	67%
Wind Speed	W 13 mph
Barometer	30.07 in
Dewpoint	1°F (-17°C)
Visibility	10.00 mi
Wind Chill	-5°F (-21°C)
Last update	22 Jan 4:15 am CST

More Information:

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

Extended Forecast for

4 Miles WSW Darien WI

Extreme Cold Watch 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

Extreme Cold Watch

Extreme Cold Warning

Today
High: 17 °F
Isolated Snow
Showers and
Patchy
Blowing Snow
Tonight
Low: -17 °F
Scattered
Flurries and
Breezy then
Partly Cloudy
Friday
High: -7 °F
Cold
Friday Night
Low: -16 °F
Mostly Cloudy
Saturday
High: 3 °F
Mostly Cloudy
then Slight
Chance Snow
Showers
Saturday Night
Low: -5 °F
Chance Snow
Sunday
High: 11 °F
Chance Snow
Sunday Night
Low: -8 °F
Slight Chance
Snow then
Partly Cloudy
Monday
High: 10 °F
Cold

Detailed Forecast

Today

Scattered flurries between 10am and noon, then isolated snow showers after noon. Patchy blowing snow between 1pm and 3pm. Partly sunny, with a high near 17. Wind chill values between -5 and zero. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tonight

Scattered flurries before 10pm. Partly cloudy, with a low around -17. Wind chill values between -30 and -40. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Friday

Sunny and cold, with a high near -7. Wind chill values between -30 and -40. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night

Mostly cloudy, with a low around -16. Wind chill values between -20 and -25. Northwest wind around 5 mph becoming calm in the evening.

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

Sunday

A 40 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. Partly cloudy, with a low around -8. Northwest wind around 5 mph.