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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed S 15 G 18 mph
Barometer 29.92 in
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Wind Chill31°F (-1°C)
Last update 27 Dec 11:45 am CST
Extended Forecast for

3 Miles N Avalon WI

  • This Afternoon

    This Afternoon: Patchy fog before 1pm. Otherwise, cloudy, with a high near 44. Southeast wind around 10 mph.

    High: 44 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of drizzle between 9pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 41. Southeast wind 5 to 10 mph.

    Low: 41 °F

    Chance
    Drizzle and
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 8am. Areas of fog before 4pm, then patchy fog after 5pm. High near 51. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Rain before 7pm, then rain, possibly mixed with snow between 7pm and 9pm, then snow after 9pm. Low around 15. Wind chill values between -5 and 5. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 15 °F

    Windy.
    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: A 50 percent chance of snow before noon. Mostly cloudy, with a high near 21. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 50 mph.

    High: 21 °F

    Windy. Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 25. West wind 10 to 15 mph.

    High: 25 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. West wind 10 to 15 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Patchy fog before 1pm. Otherwise, cloudy, with a high near 44. Southeast wind around 10 mph.
Tonight
A chance of drizzle between 9pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 41. Southeast wind 5 to 10 mph.
Sunday
Rain, mainly after 8am. Areas of fog before 4pm, then patchy fog after 5pm. High near 51. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain before 7pm, then rain, possibly mixed with snow between 7pm and 9pm, then snow after 9pm. Low around 15. Wind chill values between -5 and 5. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 21. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 50 mph.
Monday Night
Partly cloudy, with a low around 8. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 25. West wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 16. West wind 10 to 15 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 7.
New Year's Day
Sunny, with a high near 12.
Thursday Night
Mostly clear, with a low around -1.
Friday
Sunny, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Avalon WI
 42.71°N 88.83°W (Elev. 984 ft)
Last Update:
12:21 pm CST Dec 27, 2025
Forecast Valid:
12pm CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation