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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

16°F

-9°C

Humidity 67%
Wind Speed NW 10 mph
Barometer 29.99 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 2 Jan 10:45 am CST
Extended Forecast for

4 Miles SE Stoughton WI

  • Today

    Today: Increasing clouds, with a high near 22. Northwest wind 5 to 10 mph.

    High: 22 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Northwest wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 25. Northwest wind around 5 mph.

    High: 25 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. West wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 28. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 23. South wind around 10 mph.

    Low: 23 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 5 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Southwest wind around 5 mph becoming calm.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 42.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 22. Northwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 14. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 25. Northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 9. West wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 28. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
A 30 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 23. South wind around 10 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Stoughton WI
 42.87°N 89.17°W (Elev. 899 ft)
Last Update:
10:12 am CST Jan 2, 2026
Forecast Valid:
10am CST Jan 2, 2026-6pm CST Jan 8, 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