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January 23-24, 2026 Arctic Outbreak In Southern Wisconsin

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

3°F

-16°C

Humidity	60%
Wind Speed	W 16 G 20 mph
Barometer	30.27 in
Dewpoint	-8°F (-22°C)
Visibility	10.00 mi
Wind Chill	-16°F (-27°C)
Last update	26 Jan 11:45 am CST

More Information:

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

Extended Forecast for

7 Miles WSW Fort Atkinson WI

This Afternoon
High: 9 °F
Cold
Tonight
Low: 3 °F⇑
Mostly Cloudy
and Breezy
then Isolated
Snow Showers
Tuesday
High: 12 °F
Decreasing
Clouds and
Blustery
Tuesday Night
Low: -3 °F
Mostly Clear
Wednesday
High: 12 °F
Partly Sunny
Wednesday Night
Low: -6 °F
Mostly Clear
Thursday
High: 11 °F
Sunny
Thursday Night
Low: -4 °F
Mostly Clear
Friday
High: 13 °F
Sunny

Detailed Forecast

This Afternoon

Sunny and cold, with a high near 9. Wind chill values between -5 and -15. Southwest wind around 10 mph.

Tonight

Isolated snow showers before 1am, then scattered flurries between 1am and 3am. Mostly cloudy, with a temperature rising to around 12 by 1am. Wind chill values between -5 and -15. Breezy, with a southwest wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

Tuesday

Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values between -5 and -10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around -3. Wind chill values between -10 and -15. West wind 5 to 10 mph.

Wednesday

Partly sunny, with a high near 12. West wind 5 to 10 mph.

Wednesday Night

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

Thursday

Sunny, with a high near 11. Northwest wind around 5 mph.

Thursday Night

Mostly clear, with a low around -4. North wind around 5 mph.

Friday

Sunny, with a high near 13.