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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

27°F

-3°C

Humidity 59%
Wind Speed E 6 mph
Barometer 29.94 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 6 Dec 11:45 am CST
Extended Forecast for

2 Miles WSW Darien WI

Winter Weather Advisory December 6, 10:00pm until December 7, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 29. Northwest wind around 5 mph becoming east.

    High: 29 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 9pm. The snow could be heavy at times. Low around 17. Light east wind becoming northeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 17 °F

    Heavy Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 8am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. North wind 10 to 15 mph.

    High: 20 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0. North wind around 5 mph becoming calm in the evening.

    Low: 0 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 11. Southwest wind 10 to 15 mph.

    Low: 11 °F

    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. Southwest wind 10 to 15 mph.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Rain and snow. Low around 25. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 25 °F

    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 29. Northwest wind around 5 mph becoming east.
Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Low around 17. Light east wind becoming northeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 20 percent chance of snow before 8am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. North wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 0. North wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 11. Southwest wind 10 to 15 mph.
Tuesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. Southwest wind 10 to 15 mph.
Tuesday Night
Rain and snow. Low around 25. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 9.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 20.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
12:11 pm CST Dec 6, 2025
Forecast Valid:
12pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation