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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.98 in
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Wind Chill52°F (11°C)
Last update 22 Jun 5:10 am CDT
Extended Forecast for

5 Miles N Beloit WI

  • Today

    Today: Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northeast wind 5 to 10 mph becoming light in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57. Calm wind becoming south around 5 mph after midnight.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 50. Northeast wind 5 to 10 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57. Calm wind becoming south around 5 mph after midnight.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 54. Northwest wind 5 to 10 mph becoming light north in the evening.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Beloit WI
 42.6°N 89.04°W (Elev. 781 ft)
Last Update:
3:32 am CDT Jun 22, 2026
Forecast Valid:
5am CDT Jun 22, 2026-6pm CDT Jun 28, 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