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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

59°F

15°C

Humidity 72%
Wind Speed S 18 G 25 mph
Barometer 29.94 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 Apr 4:50 am CDT
Extended Forecast for

Darien WI

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 48. South wind around 15 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 72. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Scattered
    T-storms and
    Breezy then
    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 1am. Low around 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers and
    Breezy then
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Southwest wind 10 to 15 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 15 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 56. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. South wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 48. South wind around 15 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 72. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 1am. Low around 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Southwest wind 10 to 15 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 15 mph. Chance of precipitation is 50%.
Tuesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 56. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. South wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 53.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 78.
Friday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, 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)
Last Update:
3:33 am CDT Apr 12, 2026
Forecast Valid:
5am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation