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.

Partly Cloudy

80°F

27°C

Humidity 22%
Wind Speed S 7 mph
Barometer 30.33 in (1026.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Jun 11:54 am CDT
Extended Forecast for

Belvidere IL

  • Today

    Today: Mostly sunny, with a high near 83. South wind around 5 mph, with gusts as high as 10 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 84. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. South wind around 5 mph, with gusts as high as 10 mph.
Tonight
Partly cloudy, with a low around 56. South southeast wind around 5 mph, with gusts as high as 10 mph.
Thursday
Mostly sunny, with a high near 87. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm. High near 84. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
Last Update:
9:11 am CDT Jun 3, 2026
Forecast Valid:
11am CDT Jun 3, 2026-6pm CDT Jun 9, 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