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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

37°F

3°C

Humidity 75%
Wind Speed SW 6 mph
Barometer 29.59 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 6:45 am CST
Extended Forecast for

7 Miles WSW Fort Atkinson WI

  • Today

    Today: Partly sunny, with a high near 47. West wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Cloudy, with a low around 21. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Cloudy then
    Slight Chance
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 23. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 23 °F

    Partly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Wind chill values between zero and 5. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 25. Northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 25 °F

    Sunny then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 20. South wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow

  • Friday

    Friday: Snow. High near 32. West wind 10 to 15 mph. Chance of precipitation is 80%.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 11. West wind around 15 mph. Chance of precipitation is 60%.

    Low: 11 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 47. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Cloudy, with a low around 21. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 23. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 9. Wind chill values between zero and 5. North wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 25. Northwest wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
Snow. Low around 20. South wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 32. West wind 10 to 15 mph. Chance of precipitation is 80%.
Friday Night
Snow likely. Mostly cloudy, with a low around 11. West wind around 15 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 17.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 2.
M.L.King Day
Partly sunny, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Fort Atkinson WI
 42.88°N 88.96°W (Elev. 774 ft)
Last Update:
6:12 am CST Jan 13, 2026
Forecast Valid:
6am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation