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

88°F

31°C

Humidity 57%
Wind Speed S 17 G 28 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 22 Jun 7:54 pm CDT
Extended Forecast for

Belvidere IL

Heat Advisory June 22, 08:23pm until June 24, 12:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 22, 08:23pm until June 24, 12:00am

    NOW until 12:00am Tue

    Heat Advisory

  • Tonight

    Low: 76 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 102. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 95 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 74. Breezy, with a west wind 15 to 20 mph becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 30 mph.

    Low: 74 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Heat index values as high as 95. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. North wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 102. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 74. Breezy, with a west wind 15 to 20 mph becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 30 mph.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Heat index values as high as 95. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. North wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
Last Update:
6:41 pm CDT Jun 22, 2025
Forecast Valid:
8pm CDT Jun 22, 2025-6pm CDT Jun 29, 2025
 
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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