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.

Overcast

61°F

16°C

Humidity 34%
Wind Speed S 14 G 20 mph
Barometer 29.91 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Mar 11:45 am CDT
Extended Forecast for

3 Miles NNW Afton WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers, mainly after 1pm. High near 65. West wind 5 to 10 mph becoming northeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Partly Sunny
    then Showers

  • Thursday Night

    Thursday Night: A chance of showers before 7pm, then a slight chance of rain between 7pm and 10pm. Mostly cloudy, with a low around 26. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. North wind around 10 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind 5 to 10 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 51. West wind 5 to 15 mph.

    High: 51 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. South wind around 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph.
Thursday
Showers, mainly after 1pm. High near 65. West wind 5 to 10 mph becoming northeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 7pm, then a slight chance of rain between 7pm and 10pm. Mostly cloudy, with a low around 26. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 25. Northwest wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 51. West wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind around 10 mph.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 71.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 49.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 67.
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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:
12:04 pm CDT Mar 25, 2026
Forecast Valid:
12pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation