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

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

27°F

-3°C

Humidity 80%
Wind Speed SW 12 mph
Barometer 30.12 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 3:30 am CST
Extended Forecast for

Darien WI

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42. Southwest wind 10 to 15 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 5am. Increasing clouds, with a low around 31. Southwest wind around 10 mph.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 45. West wind around 15 mph.

    High: 45 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 10 to 15 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 30. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely
    and Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 42. Southwest wind 10 to 15 mph.
Monday Night
A 20 percent chance of rain after 5am. Increasing clouds, with a low around 31. Southwest wind around 10 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 45. West wind around 15 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 10 to 15 mph.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 30. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 10. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 19.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
Last Update:
3:07 am CST Jan 12, 2026
Forecast Valid:
3am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation