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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

46°F

8°C

Humidity 76%
Wind Speed NE 5 mph
Barometer 30.09 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 3 Apr 12:45 pm CDT
Extended Forecast for

Darien WI

  • This Afternoon

    This Afternoon: A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 55. North wind 5 to 10 mph becoming east.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Low around 37. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers
    Likely and
    Breezy then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 53 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. West wind around 10 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. North wind 5 to 15 mph.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 55. North wind 5 to 10 mph becoming east.
Tonight
Showers and thunderstorms, mainly before 4am. Low around 37. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 33. West wind around 10 mph.
Monday
Mostly sunny, with a high near 47. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 21. North wind 5 to 15 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
A chance of snow showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45. Breezy.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
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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:
1:35 pm CDT Apr 3, 2026
Forecast Valid:
1pm CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation