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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

37°F

3°C

Humidity 38%
Wind Speed SW 20 mph
Barometer 30.58 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Mar 11:45 am CDT
Extended Forecast for

Rockton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 49. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 36. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 45. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 75. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
A chance of showers. Mostly sunny, with a high near 47.
Thursday Night
A chance of showers. Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.05°W
Last Update:
10:26 am CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 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