Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Rain

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 29.72 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 6:45 am CDT
Extended Forecast for

Beloit WI

Flood Watch until further notice
Flood Watch April 16, 07:17am until April 16, 01:00pm
Flood Warning until April 17, 07:00pm
Click here for hazard details and duration
Flood Watch until further notice
Flood Watch
Flood Warning
  •  
    Flood Watch April 16, 07:17am until April 16, 01:00pm
    Flood Warning until April 17, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 70 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind around 5 mph becoming southeast in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am.  Low around 41. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm.  Mostly sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 10 to 15 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Northwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 5 to 10 mph becoming northwest in the morning.
Tonight
Mostly clear, with a low around 52. West wind around 5 mph becoming southeast in the evening.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Low around 41. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 30. Northwest wind 5 to 10 mph becoming southeast after midnight.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
6:56 am CDT Apr 16, 2026
7am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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