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

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 29.95 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 10:54 pm CDT
Extended Forecast for

Forreston IL

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 88. Heat index values as high as 97. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 63. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 72. North wind around 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. East northeast wind 5 to 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 88. Heat index values as high as 97. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 63. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 72. North wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 54. East northeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Forreston IL
 42.12°N 89.6°W
Last Update:
9:07 pm CDT Jul 15, 2025
Forecast Valid:
11pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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