Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

19°F

-7°C

Humidity 86%
Wind Speed E 12 mph
Barometer 30.29 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 8 Feb 5:45 am CST
Extended Forecast for

South Beloit IL

  • Today

    Today: Mostly sunny through mid morning, then becoming cloudy, with a high near 32. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southeast wind 5 to 10 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind 5 to 10 mph becoming west northwest after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after noon.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny through mid morning, then becoming cloudy, with a high near 32. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 20. Southeast wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 40. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind 5 to 10 mph becoming west northwest after midnight.
Tuesday
Partly sunny, with a high near 41. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A chance of snow after noon. Mostly cloudy, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
A chance of snow. Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.5°N 89.05°W
6:11 am CST Feb 8, 2026
6am CST Feb 8, 2026-6pm CST Feb 14, 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