National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast and Breezy

34°F

1°C

Humidity 75%
Wind Speed NE 25 G 31 mph
Barometer 30.23 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 1 Apr 8:45 am CDT
Extended Forecast for

Beloit WI

  • Today

    Today: Mostly cloudy, with a high near 45. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 38. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 68. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 1am. Low around 44. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. 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.

    Low: 44 °F

    Showers and
    Breezy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 67. West wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 59. West wind around 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 49. Breezy.

    High: 49 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 45. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 38. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 68. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm, mainly before 1am. Low around 44. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. 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.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 67. West wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 59. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 49. Breezy.
Sunday Night
Mostly clear, with a low around 30.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 53. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
9:32 am CDT Apr 1, 2026
Forecast Valid:
9am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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