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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

43°F

6°C

Humidity 76%
Wind Speed NW 5 mph
Barometer 30.12 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 2 May 8:45 am CDT
Extended Forecast for

Roscoe IL

  • Today

    Today: Mostly sunny, with a high near 56. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 42. South southwest wind 5 to 10 mph.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 7am and 1pm. Partly sunny, with a high near 66. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 56. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tonight
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 42. South southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers, mainly between 7am and 1pm. Partly sunny, with a high near 66. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 42. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Partly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.41°N 89.02°W
Last Update:
8:26 am CDT May 2, 2026
Forecast Valid:
8am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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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