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.

Mostly Cloudy

18°F

-8°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 29.98 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 2 Jan 4:45 pm CST
Extended Forecast for

2 Miles W Darien WI

  • Tonight

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

    Low: 14 °F

    Mostly Cloudy

  • Saturday

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

    High: 25 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. West wind around 5 mph becoming calm.

    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 30 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. Southwest wind 5 to 10 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: Partly sunny, with a high near 43. Calm wind becoming west around 5 mph in the afternoon.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 14. Northwest wind around 5 mph becoming calm.
Saturday
Mostly 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. West wind around 5 mph becoming calm.
Sunday
Increasing clouds, with a high near 27. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 30 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. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 29. Calm wind.
Tuesday
Partly sunny, with a high near 43. Calm wind becoming west around 5 mph in the afternoon.
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 47.
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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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:
3:13 pm CST Jan 2, 2026
Forecast Valid:
5pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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