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Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair with Haze

73°F

23°C

Humidity 50%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Last update 3 Aug 11:45 am CDT
Extended Forecast for

South Beloit IL

  • Today

    Today: Widespread haze. Mostly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 81 °F

    Haze

  • Tonight

    Tonight: Widespread haze. Partly cloudy, with a low around 58. East wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Haze

  • Monday

    Monday: Mostly sunny, with a high near 82. Light east northeast wind becoming east southeast 5 to 10 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze. Mostly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
Widespread haze. Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Light east northeast wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.5°N 89.05°W
11:27 am CDT Aug 3, 2025
11am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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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