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

Hazardous Weather Conditions

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

A Few Clouds

80°F

27°C

Humidity 85%
Wind Speed E 3 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Sep 8:54 pm CDT
Extended Forecast for

3 Miles W Belvidere IL

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 73. Calm wind becoming south southeast around 5 mph in the evening. Winds could gust as high as 10 mph.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 99. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

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

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 73. Calm wind becoming south southeast around 5 mph in the evening. Winds could gust as high as 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 99. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 86. Light north northeast wind becoming northeast 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 69.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Belvidere IL
 42.25°N 88.91°W
Last Update:
9:21 pm CDT Sep 3, 2026
Forecast Valid:
9pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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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