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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow

21°F

-6°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 30.00 in
Dewpoint 19°F (-7°C)
Visibility 4.00 mi
Wind Chill13°F (-11°C)
Last update 30 Dec 6:45 pm CST
Extended Forecast for

2 Miles W Darien WI

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 19. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow then
    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly between 10am and 5pm. Cloudy, with a high near 28. Northwest wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 4. Wind chill values between -5 and zero. Northwest wind 5 to 10 mph.

    Low: 4 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 18. Wind chill values between -5 and 5. West wind around 5 mph.

    High: 18 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22. Calm wind becoming northwest around 5 mph in the morning.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 11pm. Low around 19. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly between 10am and 5pm. Cloudy, with a high near 28. Northwest wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 4. Wind chill values between -5 and zero. Northwest wind 5 to 10 mph.
New Year's Day
Partly sunny, with a high near 18. Wind chill values between -5 and 5. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 9. Calm wind.
Friday
Mostly sunny, with a high near 22. Calm wind becoming northwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
7:37 pm CST Dec 30, 2025
Forecast Valid:
7pm CST Dec 30, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation