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.

Partly Cloudy

61°F

16°C

Humidity 25%
Wind Speed W 10 mph
Barometer 29.70 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 27 Feb 4:45 pm CST
Extended Forecast for

3 Miles NNW Afton WI

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Snow likely, mainly between noon and 5pm. Cloudy, with a high near 30. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 5 to 10 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 30. Northeast wind 5 to 10 mph.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. East wind around 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Southeast wind 5 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 28. Southeast wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 41. East wind 5 to 10 mph becoming northeast in the afternoon.

    High: 41 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain then
    Slight Chance
    Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.
Saturday
Snow likely, mainly between noon and 5pm. Cloudy, with a high near 30. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 30. Northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 16. East wind around 5 mph.
Monday
Partly sunny, with a high near 40. Southeast wind 5 to 10 mph.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 28. Southeast wind around 5 mph.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41. East wind 5 to 10 mph becoming northeast in the afternoon.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 47.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
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:
4:41 pm CST Feb 27, 2026
Forecast Valid:
4pm CST Feb 27, 2026-6pm CST Mar 6, 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