Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

70°F

21°C

Humidity 88%
Wind Speed NW 7 mph
Barometer 29.90 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 12 Sep 6:45 pm CDT
Extended Forecast for

Rockton IL

  • Tonight

    Tonight: Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm  after midnight. Winds could gust as high as 10 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm.  Partly sunny, with a high near 71. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West northwest wind around 5 mph becoming calm.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Increasing clouds, with a high near 72. Light and variable wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm.  Cloudy, with a high near 70.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely.  Cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Sunday
A chance of showers between 1pm and 4pm. Partly sunny, with a high near 71. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 46. West northwest wind around 5 mph becoming calm.
Monday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 72. Light and variable wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
Showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 70.
Wednesday Night
Showers likely. Cloudy, with a low around 60.
Thursday
A chance of showers before 1pm. Mostly cloudy, with a high near 74.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 55.
Friday
A chance of showers. Partly sunny, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.08°W
3:21 pm CDT Sep 12, 2026
7pm CDT Sep 12, 2026-6pm CDT Sep 19, 2026
 
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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