Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

18°F

-8°C

Humidity 62%
Wind Speed NW 9 G 29 mph
Barometer 30.04 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 14 Jan 6:45 pm CST
Extended Forecast for

3 Miles NNW Afton WI

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values between zero and 5. Blustery, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 11 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm.  Increasing clouds, with a high near 25. Wind chill values between zero and 10. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 25 °F

    Sunny then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 21. Southwest wind 10 to 15 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 35. West wind 10 to 15 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 10. West wind around 15 mph.

    Low: 10 °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 20 percent chance of snow after noon.  Partly sunny, with a high near 15. Southwest wind 10 to 15 mph.

    High: 15 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Wind chill values between zero and 5. Blustery, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Thursday
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 25. Wind chill values between zero and 10. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Snow. Low around 21. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 35. West wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10. West wind around 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 20 percent chance of snow after noon. Partly sunny, with a high near 15. Southwest wind 10 to 15 mph.
Sunday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2.
M.L.King Day
Partly sunny and cold, with a high near 9.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Mostly sunny, with a high near 15.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Afton WI
 42.74°N 89.12°W (Elev. 948 ft)
7:36 pm CST Jan 14, 2026
7pm CST Jan 14, 2026-6pm CST Jan 21, 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