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.

Fair

73°F

23°C

Humidity 50%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 7:45 pm CDT
Extended Forecast for

South Beloit IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. East southeast wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 88. South southwest wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 64. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 84 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. East southeast wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 88. South southwest wind 5 to 10 mph.
Thursday Night
A slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 64. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 79.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Tuesday
A chance of showers. Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 74.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.47°N 89.02°W
Last Update:
7:27 pm CDT Sep 18, 2024
Forecast Valid:
7pm CDT Sep 18, 2024-6pm CDT Sep 25, 2024
 
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