Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

59°F

15°C

Humidity 88%
Wind Speed E 5 mph
Barometer 30.05 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Jun 11:10 pm CDT
Extended Forecast for

Roscoe IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. East wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. East northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly sunny, with a high near 78. East wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 61. East wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.41°N 89.02°W
9:41 pm CDT Jun 26, 2026
11pm CDT Jun 26, 2026-6pm CDT Jul 3, 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