National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

52°F

11°C

Humidity 41%
Wind Speed SW 8 mph
Barometer 30.16 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Nov 12:45 pm CST
Extended Forecast for

Roscoe IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. South wind around 5 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. South southeast wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. South southwest wind around 5 mph, with gusts as high as 10 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 52. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 65. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. South wind around 5 mph.
Tonight
Mostly clear, with a low around 36. South southeast wind around 5 mph.
Friday
Sunny, with a high near 64. South southwest wind around 5 mph, with gusts as high as 10 mph.
Friday Night
Increasing clouds, with a low around 52. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 65. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 26.
Monday
Mostly sunny, with a high near 46.
Monday Night
A chance of rain. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.43°N 88.99°W
Last Update:
12:21 pm CST Nov 13, 2025
Forecast Valid:
1pm CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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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