Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow and Breezy

19°F

-7°C

Humidity 68%
Wind Speed N 23 G 35 mph
Barometer 29.91 in
Dewpoint 10°F (-12°C)
Visibility 2.00 mi
Wind Chill2°F (-17°C)
Last update 14 Jan 10:45 am CST
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • This Afternoon

    This Afternoon: Isolated snow showers before 1pm, then scattered flurries between 1pm and 3pm.  Partly sunny, with a high near 24. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 24 °F

    Isolated Snow
    Showers and
    Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values between zero and 5. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 5pm.  Increasing clouds, with a high near 24. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 24 °F

    Sunny then
    Chance Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 19. Southwest wind around 10 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 35. West wind 10 to 15 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 11. West wind 10 to 15 mph.

    Low: 11 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow.  Mostly cloudy, with a high near 16. West wind around 15 mph.

    High: 16 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 3. Northwest wind 10 to 15 mph.

    Low: 3 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after noon.  Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Isolated snow showers before 1pm, then scattered flurries between 1pm and 3pm. Partly sunny, with a high near 24. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 11. Wind chill values between zero and 5. North wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of snow, mainly after 5pm. Increasing clouds, with a high near 24. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Snow. Low around 19. Southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 35. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11. West wind 10 to 15 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 16. West wind around 15 mph.
Saturday Night
Mostly cloudy, with a low around 3. Northwest wind 10 to 15 mph.
Sunday
A 30 percent chance of snow after noon. Partly sunny, with a high near 14.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 5.
M.L.King Day
Partly sunny, with a high near 13.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
Partly sunny, with a high near 12.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
12:38 pm CST Jan 14, 2026
12pm CST Jan 14, 2026-6pm CST Jan 20, 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