Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

32°F

0°C

Humidity 51%
Wind Speed S 14 mph
Barometer 30.33 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 24 Mar 6:45 am CDT
Extended Forecast for

Darien WI

  • Today

    Today: Partly sunny, with a high near 51. South wind 5 to 10 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southeast wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Southwest wind 5 to 15 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm.  Partly sunny, with a high near 68. Southwest wind 5 to 15 mph becoming north in the afternoon.

    High: 68 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain, mixing with snow after 10pm, then gradually ending.  Mostly cloudy, with a low around 27. North wind around 15 mph.  Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 43. North wind around 10 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. West wind around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 51. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 34. Southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 64. Southwest wind 5 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 49. South wind around 5 mph.
Thursday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 68. Southwest wind 5 to 15 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 27. North wind around 15 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 43. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 23. West wind around 5 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
6:51 am CDT Mar 24, 2026
7am CDT Mar 24, 2026-6pm CDT Mar 30, 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