A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

39°F

4°C

Humidity 87%
Wind Speed S 12 mph
Barometer 29.78 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Jan 5:45 am CST
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Today

    Today: Rain, mainly after 2pm.  High near 51. South wind 10 to 15 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Mostly Cloudy
    then Rain

  • Tonight

    Tonight: Rain and thunderstorms likely before 3am, then a chance of rain.  Cloudy, with a low around 37. Southeast wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain likely before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind 5 to 15 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight.  Increasing clouds, with a low around 28. North wind around 5 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 34. Northeast wind 5 to 15 mph becoming west in the afternoon.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 19. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 28. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Southwest wind 5 to 10 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 2pm. High near 51. South wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain and thunderstorms likely before 3am, then a chance of rain. Cloudy, with a low around 37. Southeast wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind 5 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of snow after midnight. Increasing clouds, with a low around 28. North wind around 5 mph becoming calm in the evening.
Saturday
Snow likely. Mostly cloudy, with a high near 34. Northeast wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 28. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 19. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 39.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
4:43 am CST Jan 8, 2026
5am CST Jan 8, 2026-6pm CST Jan 14, 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