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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

30°F

-1°C

Humidity 93%
Wind Speed W 12 mph
Barometer 29.96 in
Dewpoint 28°F (-2°C)
Visibility 5.00 mi
Wind Chill20°F (-7°C)
Last update 10 Jan 10:45 am CST
Extended Forecast for

Edgerton WI

Winter Weather Advisory until January 10, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 10, 01:00pm

    NOW until 1:00pm Sat

    Winter Weather Advisory

  • Today

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow showers between 2am and 5am. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Southwest wind around 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. West wind around 10 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 10 to 15 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 45. West wind around 15 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow, mainly after midnight. Mostly cloudy, with a low around 25. West wind around 10 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A chance of snow before noon, then a chance of snow showers after 4pm. Cloudy early, then becoming mostly sunny, with a high near 34. West wind around 15 mph. Chance of precipitation is 40%.
Tonight
A 50 percent chance of snow showers between 2am and 5am. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind around 10 mph.
Monday
Sunny, with a high near 40. West wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 10 to 15 mph.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 45. West wind around 15 mph.
Tuesday Night
A chance of rain and snow, mainly after midnight. Mostly cloudy, with a low around 25. West wind around 10 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WI
 42.82°N 89.09°W (Elev. 912 ft)
Last Update:
11:14 am CST Jan 10, 2026
Forecast Valid:
11am CST Jan 10, 2026-6pm CST Jan 16, 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