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

79°F

26°C

Humidity 54%
Wind Speed W 3 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Jul 10:54 am CDT
Extended Forecast for

Belvidere IL

  • Today

    Today: Sunny, with a high near 85. West wind around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South southwest wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. South southwest wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. West wind around 5 mph.
Tonight
Mostly clear, with a low around 62. South southwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north in the morning.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. South southwest wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.27°N 88.85°W
Last Update:
10:26 am CDT Jul 7, 2026
Forecast Valid:
11am CDT Jul 7, 2026-6pm CDT Jul 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation