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.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.19 in
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 10 Apr 7:45 am CDT
Extended Forecast for

Rockton IL

  • Today

    Today: Patchy drizzle with scattered showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 53. North northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 53 °F

    Scattered
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind around 5 mph becoming east southeast after midnight.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 57. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 72 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Patchy drizzle with scattered showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 53. North northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 33. North wind around 5 mph becoming east southeast after midnight.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 57. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Breezy.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.
Monday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 70.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 51.
Thursday
A chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.05°W
Last Update:
6:01 am CDT Apr 10, 2026
Forecast Valid:
7am CDT Apr 10, 2026-6pm CDT Apr 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