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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow

30°F

-1°C

Humidity 93%
Wind Speed NW 6 mph
Barometer 29.64 in
Dewpoint 28°F (-2°C)
Visibility 4.00 mi
Wind Chill24°F (-4°C)
Last update 6 Feb 5:15 am CST
Extended Forecast for

Rockton IL

  • Overnight

    Overnight: Snow showers likely. Cloudy, with a low around 29. Northwest wind around 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Showers
    Likely

  • Friday

    Friday: Scattered snow showers, mainly before 7am. Cloudy, with a high near 35. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    High: 35 °F

    Breezy.
    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 6. Wind chill values as low as -3. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 21. Wind chill values as low as -4. North wind around 5 mph becoming calm.

    High: 21 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. South southeast wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers likely. Cloudy, with a low around 29. Northwest wind around 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Scattered snow showers, mainly before 7am. Cloudy, with a high near 35. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 6. Wind chill values as low as -3. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Increasing clouds, with a high near 21. Wind chill values as low as -4. North wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 16. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.05°W
Last Update:
3:31 am CST Feb 6, 2026
Forecast Valid:
5am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation