Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

12°F

-11°C

Humidity 67%
Wind Speed N 5 mph
Barometer 30.37 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 7 Feb 3:55 am CST
Extended Forecast for

South Beloit IL

  • Today

    Today: Increasing clouds, with a high near 24. North wind around 5 mph becoming calm  in the morning.

    High: 24 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 17. Southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. East southeast wind around 5 mph becoming south after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. Southwest wind 5 to 10 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 24. North wind around 5 mph becoming calm in the morning.
Tonight
A slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 17. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 31. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 20. East southeast wind around 5 mph becoming south after midnight.
Monday
Partly sunny, with a high near 41. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Mostly cloudy, with a high near 39.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.5°N 89.05°W
3:11 am CST Feb 7, 2026
4am CST Feb 7, 2026-6pm CST Feb 13, 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