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.

Fair and Breezy

52°F

11°C

Humidity 67%
Wind Speed NE 21 G 38 mph
Barometer 29.67 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Mar 5:45 am CDT
Extended Forecast for

4 Miles WNW Beloit WI

  • Today

    Today: A chance of sprinkles with a slight chance of rain before 2pm, then a chance of sprinkles between 2pm and 4pm. Mostly cloudy, with a temperature falling to around 43 by noon. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 47 °F⇓

    Slight Chance
    Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 26. North wind 5 to 15 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 46. North wind around 5 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. East wind around 5 mph becoming south after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. South wind around 10 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. South wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 56. Southeast wind around 10 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 44. Southeast wind 5 to 10 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A chance of sprinkles with a slight chance of rain before 2pm, then a chance of sprinkles between 2pm and 4pm. Mostly cloudy, with a temperature falling to around 43 by noon. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 26. North wind 5 to 15 mph.
Monday
Sunny, with a high near 46. North wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 30. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 55. South wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South wind around 5 mph.
Wednesday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 56. Southeast wind around 10 mph.
Wednesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 44. Southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Beloit WI
 42.54°N 89.1°W (Elev. 889 ft)
Last Update:
5:51 am CDT Mar 22, 2026
Forecast Valid:
6am CDT Mar 22, 2026-6pm CDT Mar 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