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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Rain

37°F

3°C

Humidity 93%
Wind Speed E 14 mph
Barometer 29.99 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 4 Apr 12:10 am CDT
Extended Forecast for

South Beloit IL

Flood Watch April 4, 12:44am until April 4, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 4, 12:44am until April 4, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 41 °F⇑

    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 52. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 52 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Temperature rising to around 44 by 4am. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 52. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 34. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
A chance of rain and snow showers after 1am. Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 64. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. Breezy.
Thursday
A chance of showers. Mostly cloudy, with a high near 62.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 43.
Friday
Showers likely. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.5°N 89.05°W
Last Update:
12:01 am CDT Apr 4, 2026
Forecast Valid:
12am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation