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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

73°F

23°C

Humidity 65%
Wind Speed SW 14 mph
Barometer 29.84 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Oct 9:45 am CDT
Extended Forecast for

Rockton IL

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 86. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Increasing clouds, with a low around 58. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 69. North northeast wind 5 to 10 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 86. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 80. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Showers likely, mainly after 1am. Increasing clouds, with a low around 58. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 69. North northeast wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 45. Breezy.
Friday
Mostly sunny, with a high near 55. Breezy.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.05°W
Last Update:
9:25 am CDT Oct 12, 2026
Forecast Valid:
11am CDT Oct 12, 2026-6pm CDT Oct 18, 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