Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

52°F

11°C

Humidity 88%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 May 4:30 am CDT
Extended Forecast for

South Beloit IL

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Southwest wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 59. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 88. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 61. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.5°N 89.05°W
3:51 am CDT May 25, 2026
5am CDT May 25, 2026-6pm CDT May 31, 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