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.

Overcast

37°F

3°C

Humidity 93%
Wind Speed N 3 mph
Barometer 29.90 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 26 Dec 6:45 pm CST
Extended Forecast for

2 Miles W Beloit WI

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before noon. Otherwise, cloudy, with a high near 45. Southeast wind 5 to 10 mph.

    High: 45 °F

    Areas Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Patchy fog between 7pm and 1am. Otherwise, cloudy, with a low around 41. Southeast wind 5 to 10 mph.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly after noon. High near 50. South wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 15. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Rain/Snow
    Likely and
    Blustery then
    Chance Snow
    and Windy

  • Monday

    Monday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 21. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 21 °F

    Windy. Chance
    Snow then
    Mostly Cloudy

  • Monday Night

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

    Low: 10 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 26. West wind 10 to 15 mph.

    High: 26 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Areas of fog before noon. Otherwise, cloudy, with a high near 45. Southeast wind 5 to 10 mph.
Saturday Night
A 40 percent chance of rain. Patchy fog between 7pm and 1am. Otherwise, cloudy, with a low around 41. Southeast wind 5 to 10 mph.
Sunday
Rain, mainly after noon. High near 50. South wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 15. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 21. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 26. West wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 4.
New Year's Day
Sunny, with a high near 13.
Thursday Night
Mostly clear, with a low around 1.
Friday
Mostly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Beloit WI
 42.52°N 89.05°W (Elev. 751 ft)
Last Update:
6:08 pm CST Dec 26, 2025
Forecast Valid:
7pm CST Dec 26, 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