Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

34°F

1°C

Humidity 56%
Wind Speed NW 16 mph
Barometer 30.24 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 10 Nov 1:45 pm CST
Extended Forecast for

Darien WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 34. Northwest wind 10 to 15 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of flurries between 3am and 4am, then a slight chance of snow showers after 4am.  Increasing clouds, with a low around 22. Northwest wind 5 to 10 mph becoming southwest after midnight.  Chance of precipitation is 20%.

    Low: 22 °F

    Mostly Clear
    then Slight
    Chance Snow
    Showers

  • Veterans Day

    Veterans Day: A chance of flurries with a slight chance of snow showers before 11am, then a slight chance of snow showers between 11am and noon.  Cloudy through mid morning, then gradual clearing, with a high near 40. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. West wind 10 to 15 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. West wind 10 to 15 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 5 to 10 mph becoming light  after midnight.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the morning.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 34. Northwest wind 10 to 15 mph.
Tonight
A chance of flurries between 3am and 4am, then a slight chance of snow showers after 4am. Increasing clouds, with a low around 22. Northwest wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 20%.
Veterans Day
A chance of flurries with a slight chance of snow showers before 11am, then a slight chance of snow showers between 11am and noon. Cloudy through mid morning, then gradual clearing, with a high near 40. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 31. West wind 10 to 15 mph.
Wednesday
Sunny, with a high near 48. West wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 5 to 10 mph becoming light after midnight.
Thursday
Mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 35. South wind around 5 mph.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
2:17 pm CST Nov 10, 2025
2pm CST Nov 10, 2025-6pm CST Nov 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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