Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

21°F

-6°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.04 in
Dewpoint 21°F (-6°C)
Visibility 4.00 mi
Wind Chill13°F (-11°C)
Last update 2 Feb 2:15 am CST
Extended Forecast for

Darien WI

  • Overnight

    Overnight: Areas of snow and freezing rain before 3am, then areas of freezing rain.  Cloudy, with a low around 18. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 18 °F

    Areas Wintry
    Mix

  • Monday

    Monday: Mostly cloudy, with a high near 24. Northwest wind 5 to 10 mph.

    High: 24 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of snow between midnight and 2am.  Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 9 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Sunny, with a high near 20. North wind around 5 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 1. North wind around 5 mph becoming calm.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 22. Calm wind becoming west around 5 mph.

    High: 22 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. West wind around 5 mph becoming calm.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. Southwest wind 5 to 15 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Overnight
Areas of snow and freezing rain before 3am, then areas of freezing rain. Cloudy, with a low around 18. Southwest wind around 5 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 24. Northwest wind 5 to 10 mph.
Monday Night
A slight chance of snow between midnight and 2am. Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 20. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 1. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 22. Calm wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 8. West wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 30. Southwest wind 5 to 15 mph.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 28.
Friday
A 20 percent chance of snow before noon. Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
2:12 am CST Feb 2, 2026
2am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database