National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy and Breezy

10°F

-12°C

Humidity 56%
Wind Speed NW 21 G 35 mph
Barometer 30.09 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 27 Jan 9:45 am CST
Extended Forecast for

Darien WI

  • Today

    Today: Partly sunny and cold, with a high near 10. Wind chill values between -5 and -10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 10 °F

    Cold and
    Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around -3. Wind chill values between -10 and -15. West wind 5 to 10 mph.

    Low: -3 °F

    Partly Cloudy

  • Wednesday

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

    High: 11 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -6. Wind chill values between -10 and -15. Northwest wind around 5 mph.

    Low: -6 °F

    Mostly Clear

  • Thursday

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

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -5. North wind 5 to 10 mph.

    Low: -5 °F

    Mostly Clear

  • Friday

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

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. Northwest wind around 10 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny and cold, with a high near 10. Wind chill values between -5 and -10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -3. 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. Wind chill values between -10 and -15. Northwest wind around 5 mph.
Thursday
Sunny and cold, with a high near 8. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around -5. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 11. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 2. Northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 22.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8.
Monday
Partly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
Last Update:
9:07 am CST Jan 27, 2026
Forecast Valid:
10am CST Jan 27, 2026-6pm CST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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