Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

25°F

-4°C

Humidity 59%
Wind Speed S 13 G 21 mph
Barometer 30.20 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 1 Feb 11:45 am CST
Extended Forecast for

South Beloit IL

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 5pm.  Mostly cloudy, with a high near 25. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 25 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before midnight.  Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Monday

    Monday: Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. North wind around 5 mph, with gusts as high as 10 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 25. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Snow likely, mainly before midnight. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 10. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 22. North wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 34.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 33.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.5°N 89.05°W
11:46 am CST Feb 1, 2026
12pm CST Feb 1, 2026-6pm CST Feb 7, 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