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

14°F

-10°C

Humidity 79%
Wind Speed NW 13 mph
Barometer 30.23 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Dec 9:50 pm CST
Extended Forecast for

2 Miles W Darien WI

  • Tonight

    Tonight: Isolated snow showers before 11pm. Mostly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 8 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 3pm. Increasing clouds, with a high near 25. Wind chill values between -5 and 5. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Slight Chance
    Snow then
    Snow Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20. Northwest wind around 10 mph.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow likely after noon. Cloudy, with a high near 27. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Cloudy then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Northwest wind 5 to 10 mph.

    Low: 4 °F

    Slight Chance
    Snow then
    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 17. West wind 5 to 10 mph.

    High: 17 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 24. Calm wind becoming northwest around 5 mph.

    High: 24 °F

    Mostly Sunny

  • Friday Night

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

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated snow showers before 11pm. Mostly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
Snow likely, mainly after 3pm. Increasing clouds, with a high near 25. Wind chill values between -5 and 5. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20. Northwest wind around 10 mph.
Wednesday
Snow likely after noon. Cloudy, with a high near 27. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Northwest wind 5 to 10 mph.
New Year's Day
Partly sunny, with a high near 17. West wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 24. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 33.
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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:
8:57 pm CST Dec 29, 2025
Forecast Valid:
10pm CST Dec 29, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation