National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

32°F

0°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 29.89 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 8 Mar 3:15 am CDT
Extended Forecast for

2 Miles W Darien WI

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Southwest wind around 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 10 to 15 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 66. East wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Sunny then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 34. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: Rain and snow, mainly before 1pm. High near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 44. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 67. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 44. South wind around 5 mph.
Tuesday
Rain likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 66. East wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain and possibly a thunderstorm. Low around 34. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain and snow, mainly before 1pm. High near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 21.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 33. Breezy. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 48. Breezy.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
3:33 am CDT Mar 8, 2026
Forecast Valid:
3am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation