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.

Overcast

54°F

12°C

Humidity 82%
Wind Speed SW 15 G 29 mph
Barometer 29.63 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Nov 12:45 pm CST
Extended Forecast for

Rockton IL

  • This Afternoon

    This Afternoon: A slight chance of drizzle before 2pm, then a slight chance of drizzle or sprinkles after 2pm. Cloudy, with a high near 60. Southwest wind around 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: A slight chance of drizzle or sprinkles before 10pm, then a slight chance of rain after 5am. Cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly between 8am and 9am. Cloudy, with a high near 54. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 35. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of drizzle before 2pm, then a slight chance of drizzle or sprinkles after 2pm. Cloudy, with a high near 60. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
A slight chance of drizzle or sprinkles before 10pm, then a slight chance of rain after 5am. Cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Rain likely, mainly between 8am and 9am. Cloudy, with a high near 54. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 35. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 47. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.08°W
Last Update:
1:06 pm CST Nov 4, 2026
Forecast Valid:
1pm CST Nov 4, 2026-6pm CST Nov 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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