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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

37°F

3°C

Humidity 81%
Wind Speed E 15 mph
Barometer 30.14 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 1 Apr 3:30 am CDT
Extended Forecast for

Rockton IL

  • Overnight

    Overnight: Cloudy, with a steady temperature around 39. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers after 5pm. Cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 1am. Low around 38. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 68. Breezy, with an east southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.

    High: 68 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 42. Breezy, with a south wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 39. Northeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday
A 10 percent chance of showers after 5pm. Cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers, with thunderstorms also possible after 1am. Low around 38. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 68. Breezy, with an east southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 42. Breezy, with a south wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.
Saturday
A chance of showers. Mostly cloudy, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 49. Breezy.
Sunday Night
Mostly clear, with a low around 30.
Monday
A chance of showers. Partly sunny, with a high near 54.
Monday Night
A chance of showers. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 47.
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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:
3:16 am CDT Apr 1, 2026
Forecast Valid:
3am CDT Apr 1, 2026-6pm CDT Apr 7, 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