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.

Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in (1012.7 mb)
Dewpoint 60°F (16°C)
Visibility 2.50 mi
Last update 25 Jun 2:54 am CDT
Extended Forecast for

Belvidere IL

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 58. West southwest wind around 5 mph.

    Low: 58 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 7am. Otherwise, mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between noon and 4pm. Mostly cloudy, with a high near 74. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 58. West southwest wind around 5 mph.
Thursday
Areas of fog before 7am. Otherwise, mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers between noon and 4pm. Mostly cloudy, with a high near 74. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 57. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
Last Update:
3:01 am CDT Jun 25, 2026
Forecast Valid:
3am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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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