Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

45°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 10:55 pm CDT
Extended Forecast for

Darien WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Southeast wind 5 to 15 mph becoming southwest in the afternoon.

    High: 67 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain.  Cloudy, with a high near 49. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. North wind 5 to 15 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. North wind 5 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 30. East wind around 5 mph becoming south after midnight.

    Low: 30 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South wind 10 to 15 mph becoming west in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. East wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Southeast wind 5 to 15 mph becoming southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph becoming northwest after midnight.
Sunday
A 20 percent chance of rain. Cloudy, with a high near 49. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 27. North wind 5 to 15 mph.
Monday
Mostly sunny, with a high near 45. North wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 30. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 54. South wind 10 to 15 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 62.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
9:34 pm CDT Mar 20, 2026
11pm CDT Mar 20, 2026-6pm CDT Mar 27, 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