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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed SE 7 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 5.00 mi
Wind Chill28°F (-2°C)
Last update 27 Dec 5:10 am CST
Extended Forecast for

Roscoe IL

  • Today

    Today: Areas of fog before noon. Otherwise, cloudy, with a high near 43. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 43 °F

    Areas Fog
    then Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after midnight. Patchy fog. Otherwise, cloudy, with a temperature rising to around 45 by 3am. Southeast wind 5 to 10 mph.

    Low: 41 °F⇑

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers. Patchy fog before noon. High near 52. South southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow showers, becoming all snow after 9pm. Cloudy, with a low around 15. Wind chill values as low as -4. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Windy.
    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Monday

    Monday: A 40 percent chance of snow showers before noon. Mostly cloudy, with a high near 21. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 21 °F

    Windy. Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Blustery.

    Low: 9 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog before noon. Otherwise, cloudy, with a high near 43. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 40 percent chance of showers, mainly after midnight. Patchy fog. Otherwise, cloudy, with a temperature rising to around 45 by 3am. Southeast wind 5 to 10 mph.
Sunday
Showers. Patchy fog before noon. High near 52. South southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely, possibly mixed with snow showers, becoming all snow after 9pm. Cloudy, with a low around 15. Wind chill values as low as -4. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow showers before noon. Mostly cloudy, with a high near 21. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph.
Monday Night
Partly cloudy, with a low around 9. Blustery.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 6.
New Year's Day
Sunny, with a high near 14.
Thursday Night
Mostly clear, with a low around 1.
Friday
Sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.41°N 89.02°W
Last Update:
4:51 am CST Dec 27, 2025
Forecast Valid:
5am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation