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.

Fair

62°F

17°C

Humidity 86%
Wind Speed SE 5 mph
Barometer 30.12 in (1019.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 4:54 am CDT
Extended Forecast for

Belvidere IL

  • Today

    Today: Sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy blowing dust after noon. Sunny, with a high near 85. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 85 °F

    Sunny then
    Patchy
    Blowing Dust
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 62. South wind around 10 mph.
Sunday
Patchy blowing dust after noon. Sunny, with a high near 85. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 50%.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 52. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
Last Update:
4:41 am CDT Oct 4, 2025
Forecast Valid:
5am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation