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 Drizzle

59°F

15°C

Humidity 94%
Wind Speed SW 13 mph
Barometer 29.76 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Apr 11:10 pm CDT
Extended Forecast for

Rockton IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 60. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Cloudy then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms. Low around 59. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 59 °F

    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 60. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms. Low around 59. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms. High near 72. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 55.
Friday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 63.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 55.
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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:
10:11 pm CDT Apr 12, 2026
Forecast Valid:
11pm CDT Apr 12, 2026-6pm CDT Apr 19, 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