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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed SE 14 mph
Barometer 29.52 in
Dewpoint 46°F (8°C)
Visibility 1.50 mi
Wind Chill40°F (4°C)
Last update 18 Feb 12:15 am CST
Extended Forecast for

4 Miles WNW Beloit WI

  • Overnight

    Overnight: A chance of rain and thunderstorms before 4am, then a slight chance of rain between 4am and 5am. Cloudy, with a low around 49. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 62. Windy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 62 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 36. Southwest wind 5 to 10 mph becoming east after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of rain and snow before 7am, then a chance of rain. Some thunder is also possible. Partly sunny, with a high near 57. East wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 57 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely before 3am, then rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 31. East wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a high near 37. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West wind 10 to 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35. Northwest wind around 10 mph.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
A chance of rain and thunderstorms before 4am, then a slight chance of rain between 4am and 5am. Cloudy, with a low around 49. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 62. Windy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Increasing clouds, with a low around 36. Southwest wind 5 to 10 mph becoming east after midnight.
Thursday
A slight chance of rain and snow before 7am, then a chance of rain. Some thunder is also possible. Partly sunny, with a high near 57. East wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Rain likely before 3am, then rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 31. East wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a high near 37. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 20. West wind 10 to 15 mph.
Saturday
Partly sunny, with a high near 35. Northwest wind around 10 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
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:
12:22 am CST Feb 18, 2026
Forecast Valid:
12am CST Feb 18, 2026-6pm CST Feb 24, 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