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

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 >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed S 17 G 29 mph
Barometer 29.45 in
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Wind Chill47°F (8°C)
Last update 8 Jan 5:45 pm CST
Extended Forecast for

6 Miles NE Avalon WI

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 3am, then a chance of rain. Low around 37. Breezy, with a southeast wind around 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: A 50 percent chance of rain, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 41. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 41 °F

    Chance Rain
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog between 11pm and midnight. Otherwise, increasing clouds, with a low around 28. Northwest wind around 5 mph becoming calm.

    Low: 28 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 33. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southwest wind 5 to 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. Southwest wind 10 to 15 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before 3am, then a chance of rain. Low around 37. Breezy, with a southeast wind around 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of rain, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 41. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Patchy fog between 11pm and midnight. Otherwise, increasing clouds, with a low around 28. Northwest wind around 5 mph becoming calm.
Saturday
Snow likely. Mostly cloudy, with a high near 33. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. West wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 20. Southwest wind 5 to 15 mph.
Monday
Mostly sunny, with a high near 37. Southwest wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 40.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 25. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Avalon WI
 42.72°N 88.74°W (Elev. 997 ft)
Last Update:
6:09 pm CST Jan 8, 2026
Forecast Valid:
6pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation