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

19°F

-7°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 30.02 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 3 Jan 12:30 am CST
Extended Forecast for

6 Miles SSE Rockdale WI

  • Overnight

    Overnight: Cloudy, with a low around 13. Northwest wind around 5 mph becoming calm.

    Low: 13 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 25. Calm wind becoming west around 5 mph in the afternoon.

    High: 25 °F

    Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 27. Calm wind becoming south around 5 mph in the afternoon.

    High: 27 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 50 percent chance of snow before midnight.  Mostly cloudy, with a low around 21. South wind 5 to 10 mph.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. West wind around 5 mph.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow before noon.  Partly sunny, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 13. Northwest wind around 5 mph becoming calm.
Saturday
Cloudy, with a high near 25. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 8. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 27. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 21. South wind 5 to 10 mph.
Monday
Partly sunny, with a high near 39. West wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 29. Calm wind.
Tuesday
A slight chance of rain and snow before noon. Partly sunny, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Rockdale WI
 42.91°N 88.99°W (Elev. 850 ft)
11:42 pm CST Jan 2, 2026
12am CST Jan 3, 2026-6pm CST Jan 9, 2026
 
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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