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.

Fair

39°F

4°C

Humidity 45%
Wind Speed N 16 mph
Barometer 30.31 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 Apr 8:45 pm CDT
Extended Forecast for

3 Miles NNW Afton WI

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Northeast wind 5 to 10 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am, then a chance of freezing rain between 3am and 4am, then a chance of rain and snow after 4am. Increasing clouds, with a low around 30. Southeast wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

  • Wednesday

    Wednesday: A chance of rain before 7am, then a slight chance of showers after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Windy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    High: 63 °F

    Chance Rain
    and Windy

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 48. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 64. West wind 10 to 15 mph.

    High: 64 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 57. North wind around 10 mph.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 43. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
A chance of snow before 3am, then a chance of freezing rain between 3am and 4am, then a chance of rain and snow after 4am. Increasing clouds, with a low around 30. Southeast wind 10 to 15 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain before 7am, then a slight chance of showers after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Windy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 64. West wind 10 to 15 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 57. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 60.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Afton WI
 42.74°N 89.12°W (Elev. 948 ft)
Last Update:
8:37 pm CDT Apr 6, 2026
Forecast Valid:
8pm CDT Apr 6, 2026-6pm CDT Apr 13, 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