National Weather Service

News Headlines

January 23-24, 2026 Arctic Outbreak In Southern Wisconsin

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

12°F

-11°C

Humidity	73%
Wind Speed	W 7 mph
Barometer	29.88 in
Dewpoint	5°F (-15°C)
Visibility	10.00 mi
Wind Chill	1°F (-17°C)
Last update	27 Jan 3:55 am CST

More Information:

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

Extended Forecast for

6 Miles NE Avalon WI

Overnight
Low: 10 °F
Slight Chance
Snow and
Patchy
Blowing Snow
Tuesday
High: 10 °F
Blustery.
Slight Chance
Snow then
Partly Sunny
Tuesday Night
Low: -2 °F
Partly Cloudy
Wednesday
High: 11 °F
Mostly Sunny
Wednesday Night
Low: -6 °F
Mostly Clear
Thursday
High: 8 °F
Cold
Thursday Night
Low: -6 °F
Mostly Clear
Friday
High: 11 °F
Mostly Sunny
Friday Night
Low: 1 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a steady temperature around 10. Wind chill values between -5 and -10. West wind around 15 mph, with gusts as high as 25 mph.

Tuesday

A slight chance of snow before 8am, then a chance of flurries between 8am and 9am. Partly sunny and cold, with a high near 10. Wind chill values between -10 and -15. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tuesday Night

Partly cloudy, with a low around -2. Wind chill values between -10 and -15. West wind 5 to 10 mph.

Wednesday

Mostly sunny, with a high near 11. Wind chill values between -10 and -20. West wind 10 to 15 mph.

Wednesday Night

Mostly clear, with a low around -6. Northwest wind 5 to 10 mph.

Thursday

Sunny and cold, with a high near 8. Northwest wind 5 to 10 mph.

Thursday Night

Mostly clear, with a low around -6. North wind 5 to 10 mph.

Friday

Mostly sunny, with a high near 11. North wind around 10 mph.