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

41°F

5°C

Humidity 76%
Wind Speed E 6 mph
Barometer 30.10 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Dec 4:45 pm CST
Extended Forecast for

3 Miles NNW Afton WI

  • This Afternoon

    This Afternoon: Rain likely. Cloudy, with a high near 41. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely before 9pm, then areas of drizzle between 9pm and 11pm. Cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Mostly
    Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 38. East wind 10 to 15 mph.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow before 7pm, then rain. Low around 33. East wind 5 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Rain

  • Friday

    Friday: A 40 percent chance of rain before noon. Cloudy, with a high near 45. Southeast wind around 5 mph becoming northwest in the afternoon.

    High: 45 °F

    Chance Rain
    then Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 35. Southeast wind 5 to 10 mph becoming north after midnight.

    Low: 35 °F

    Cloudy

  • Sunday

    Sunday: A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy. Chance of precipitation is 30%.

    High: 42 °F⇓

    Slight Chance
    Rain then
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 41. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely before 9pm, then areas of drizzle between 9pm and 11pm. Cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Mostly cloudy, with a high near 38. East wind 10 to 15 mph.
Thursday Night
A slight chance of snow before 7pm, then rain. Low around 33. East wind 5 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
A 40 percent chance of rain before noon. Cloudy, with a high near 45. Southeast wind around 5 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph.
Saturday Night
Cloudy, with a low around 35. Southeast wind 5 to 10 mph becoming north after midnight.
Sunday
A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 9. Windy.
Monday
Mostly sunny, with a high near 20. Windy.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 26.
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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:
4:41 pm CST Dec 24, 2025
Forecast Valid:
5pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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