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January 23-24, 2026 Arctic Outbreak In Southern Wisconsin

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

3°F

-16°C

Humidity	55%
Wind Speed	W 14 mph
Barometer	30.22 in
Dewpoint	-9°F (-23°C)
Visibility	10.00 mi
Wind Chill	-15°F (-26°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

Hartland WI

This Afternoon
High: 8 °F
Cold
Tonight
Low: 3 °F
Isolated Snow
Showers
Tuesday
High: 11 °F
Decreasing
Clouds and
Blustery
Tuesday Night
Low: -3 °F
Mostly Clear
Wednesday
High: 10 °F
Cold
Wednesday Night
Low: -5 °F
Mostly Clear
Thursday
High: 11 °F
Sunny
Thursday Night
Low: -3 °F
Mostly Clear
Friday
High: 14 °F
Slight Chance
Snow

Detailed Forecast

This Afternoon

Sunny and cold, with a high near 8. Wind chill values between -5 and -10. West wind around 10 mph.

Tonight

Scattered flurries before 11pm, then isolated snow showers between 11pm and 2am, then scattered flurries after 2am. Increasing clouds, with a low around 3. Wind chill values between -5 and -15. Southwest wind 10 to 15 mph becoming west 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 11. Wind chill values between -5 and -15. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 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 and cold, with a high near 10. West wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around -5. 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 -3. Northwest wind around 5 mph.

Friday

A 20 percent chance of snow. Sunny, with a high near 14.