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

50°F

10°C

Humidity 54%
Wind Speed SW 14 mph
Barometer 29.69 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Mar 2:15 am CDT
Extended Forecast for

3 Miles E Beloit WI

  • Overnight

    Overnight: Mostly clear, with a low around 44. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 10 to 15 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Southeast wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 64. East wind 5 to 15 mph. Chance of precipitation is 30%.

    High: 64 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 35. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow before 4pm, then a chance of snow. Cloudy, with a high near 41. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind 5 to 15 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 15 mph becoming south in the afternoon.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely before 1am, then rain and snow. Low around 34. Breezy. Chance of precipitation is 80%.

    Low: 34 °F

    Breezy. Rain
    Likely then
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 67. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 44. Southeast wind around 5 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 64. East wind 5 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 35. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, possibly mixed with snow before 4pm, then a chance of snow. Cloudy, with a high near 41. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind 5 to 15 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 15 mph becoming south in the afternoon.
Thursday Night
Rain likely before 1am, then rain and snow. Low around 34. Breezy. Chance of precipitation is 80%.
Friday
A slight chance of rain and snow before 1pm. Mostly sunny, with a high near 45. Breezy. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of rain and snow. Cloudy, with a high near 43. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 32. Chance of precipitation is 50%.
Sunday
Rain and snow likely. Cloudy, with a high near 44. Breezy. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Beloit WI
 42.54°N 88.96°W (Elev. 850 ft)
Last Update:
1:22 am CDT Mar 9, 2026
Forecast Valid:
2am CDT Mar 9, 2026-6pm CDT Mar 15, 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