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.

Snow

28°F

-2°C

Humidity 59%
Wind Speed N 7 mph
Barometer 30.20 in
Dewpoint 16°F (-9°C)
Visibility 3.00 mi
Wind Chill21°F (-6°C)
Last update 28 Feb 11:45 am CST
Extended Forecast for

3 Miles NNW Afton WI

  • This Afternoon

    This Afternoon: Snow. High near 30. Northeast wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

    High: 30 °F

    Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 5 to 10 mph.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31. North wind around 5 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. South wind 5 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of snow before 9pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. Southeast wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Cloudy, with a high near 44. Northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 27. Northeast wind around 5 mph.

    Low: 27 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
Snow. High near 30. Northeast wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 30 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 31. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 18. Northeast wind around 5 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 42. South wind 5 to 10 mph.
Monday Night
A slight chance of snow before 9pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. Southeast wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 44. Northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 27. Northeast wind around 5 mph.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 48.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Friday
A 50 percent chance of rain. Cloudy, with a high near 57.
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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:
11:52 am CST Feb 28, 2026
Forecast Valid:
12pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation