Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 41°F (5°C)
Visibility 2.00 mi
Last update 5 Mar 10:45 am CST
Extended Forecast for

2 Miles W Darien WI

  • Today

    Today: Patchy dense fog before 2pm.  Otherwise, cloudy, with a high near 48. East wind around 5 mph.

    High: 48 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Patchy fog after 7pm.  Otherwise, cloudy, with a low around 40. Southeast wind around 5 mph.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: A chance of rain and thunderstorms before 9am, then rain and possibly a thunderstorm between 9am and 3pm, then a chance of rain and thunderstorms after 3pm. Some of the storms could produce heavy rainfall.  Patchy fog before 2pm. High near 66. Southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 66 °F

    Heavy Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am.  Low around 49. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 57. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 57 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. West wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Southwest wind around 15 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Patchy dense fog before 2pm. Otherwise, cloudy, with a high near 48. East wind around 5 mph.
Tonight
Patchy fog after 7pm. Otherwise, cloudy, with a low around 40. Southeast wind around 5 mph.
Friday
A chance of rain and thunderstorms before 9am, then rain and possibly a thunderstorm between 9am and 3pm, then a chance of rain and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 2pm. High near 66. Southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 49. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 57. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 32. West wind 5 to 10 mph.
Sunday
Sunny, with a high near 59. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 43. Southwest wind around 15 mph.
Monday
Sunny, with a high near 68.
Monday Night
A 20 percent chance of rain after midnight. Mostly clear, with a low around 43.
Tuesday
Rain likely. Mostly sunny, with a high near 65. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 36. Chance of precipitation is 80%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
11:32 am CST Mar 5, 2026
11am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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