Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

63°F

17°C

Humidity 30%
Wind Speed NW 17 G 23 mph
Barometer 29.79 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 7 May 5:45 pm CDT
Extended Forecast for

Beloit WI

Frost Advisory May 8, 01:00am until May 8, 08:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Areas of frost after 4am.  Otherwise, mostly clear, with a low around 36. West wind 10 to 15 mph becoming light and variable  in the evening.

    Low: 36 °F

    Slight Chance
    Showers then
    Areas Frost

  • Friday

    Friday: Areas of frost before 7am.  Otherwise, mostly sunny, with a high near 66. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 66 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Southwest wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming light north  after midnight.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Light north wind becoming northwest 10 to 15 mph in the morning.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am.  Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. West wind 10 to 15 mph becoming light and variable in the evening.
Friday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 66. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 46. Southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming light north after midnight.
Sunday
Mostly sunny, with a high near 61. Light north wind becoming northwest 10 to 15 mph in the morning.
Sunday Night
Mostly clear, with a low around 38. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 41.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
6:07 pm CDT May 7, 2026
6pm CDT May 7, 2026-6pm CDT May 14, 2026
 
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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