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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast and Breezy

-24°F

-31°C

Humidity 91%
Wind Speed SW 23 G 31 mph
Barometer 29.40 in
Dewpoint -26°F (-32°C)
Visibility 10.00 mi
Wind Chill-55°F (-48°C)
Last update 9 Jan 3:10 am CST
Extended Forecast for

2 Miles N Janesville WI

  • Overnight

    Overnight: A 40 percent chance of rain, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 39. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A 40 percent chance of rain, mainly before 7am. Patchy fog before 8am. Otherwise, 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 35 mph.

    High: 41 °F

    Chance Rain
    and Patchy
    Fog then
    Sunny

  • Friday Night

    Friday Night: A slight chance of rain between 3am and 4am, then a chance of snow. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 28. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 28 °F

    Partly Cloudy
    then Chance
    Rain/Snow and
    Patchy Fog

  • Saturday

    Saturday: Snow likely, mainly before noon. Patchy fog before 7am. Otherwise, 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
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Southwest wind 5 to 10 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Southwest wind around 10 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 39. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
Friday
A 40 percent chance of rain, mainly before 7am. Patchy fog before 8am. Otherwise, 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 35 mph.
Friday Night
A slight chance of rain between 3am and 4am, then a chance of snow. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 28. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
Snow likely, mainly before noon. Patchy fog before 7am. Otherwise, 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 30 percent chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 22. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 40. Southwest wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Janesville WI
 42.71°N 89°W (Elev. 892 ft)
Last Update:
3:06 am CST Jan 9, 2026
Forecast Valid:
3am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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