Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

48°F

9°C

Humidity 87%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Oct 9:55 pm CDT
Extended Forecast for

Roscoe IL

  • Tonight

    Tonight: Clear, with a low around 41. Northwest wind around 5 mph becoming calm  after midnight.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming north northeast around 5 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. South southeast wind around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 41. Northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 68. Calm wind becoming north northeast around 5 mph.
Monday Night
Mostly clear, with a low around 46. South southeast wind around 5 mph.
Tuesday
Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 51. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.43°N 89.02°W
8:46 pm CDT Oct 4, 2026
10pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
 
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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