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

49°F

9°C

Humidity 74%
Wind Speed NW 10 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 May 4:54 am CDT
Extended Forecast for

Forreston IL

  • Today

    Today: Mostly sunny, with a high near 70. North wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 62. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 45. Breezy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 53. Breezy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.

    High: 53 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. North wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 43. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 62. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 45. Breezy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 53. Breezy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Forreston IL
 42.12°N 89.6°W
Last Update:
5:26 am CDT May 18, 2025
Forecast Valid:
5am CDT May 18, 2025-6pm CDT May 24, 2025
 
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Additional Resources

Radar & Satellite Image

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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