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

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

A Few Clouds

74°F

23°C

Humidity 60%
Wind Speed NE 8 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 14 Jun 11:54 am CDT
Extended Forecast for

Belvidere IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. East northeast wind around 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. East wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. East wind around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East wind 5 to 10 mph.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms. Mostly cloudy, with a high near 83.

    High: 83 °F

    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 77. East northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 57. East wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 82. East wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East wind 5 to 10 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67.
Wednesday
Showers and thunderstorms. Mostly cloudy, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Juneteenth
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 61.
Friday
A chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
Last Update:
12:41 pm CDT Jun 14, 2025
Forecast Valid:
12pm CDT Jun 14, 2025-6pm CDT Jun 20, 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