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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

48°F

9°C

Humidity 94%
Wind Speed SW 15 mph
Barometer 29.88 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 30 Mar 10:45 am CDT
Extended Forecast for

Beloit WI

  • Today

    Today: Sunny, with a high near 79. Southwest wind 10 to 15 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain and thunderstorms before 1am, then a slight chance of rain and thunderstorms after 4am. Mostly cloudy, with a low around 63. South wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Temperature rising to near 71 by noon, then falling to around 57 during the remainder of the day. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F⇓

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 34. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 44. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all rain after 4am. Low around 34. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Rain. High near 51. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Cloudy, with a low around 38. East wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 79. Southwest wind 10 to 15 mph.
Tonight
A slight chance of rain and thunderstorms before 1am, then a slight chance of rain and thunderstorms after 4am. Mostly cloudy, with a low around 63. South wind 10 to 15 mph. Chance of precipitation is 20%.
Tuesday
A chance of rain and thunderstorms before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Temperature rising to near 71 by noon, then falling to around 57 during the remainder of the day. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 34. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 44. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
Rain, possibly mixed with snow, becoming all rain after 4am. Low around 34. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain. High near 51. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain likely, mainly before 1am. Cloudy, with a low around 38. East wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 56.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
Rain likely. Cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
10:33 am CDT Mar 30, 2026
Forecast Valid:
11am CDT Mar 30, 2026-6pm CDT Apr 5, 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