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.

A Few Clouds

61°F

16°C

Humidity 43%
Wind Speed W 16 G 24 mph
Barometer 29.96 in (1015.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 8 Nov 1:54 pm CST
Extended Forecast for

Byron IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 33. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 33 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Calm wind becoming west northwest around 5 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: A 50 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 59. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 33. West wind 5 to 10 mph becoming light and variable in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 40. South southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 62. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.11°N 89.27°W
Last Update:
12:21 pm CST Nov 8, 2026
Forecast Valid:
1pm CST Nov 8, 2026-6pm CST Nov 14, 2026
 
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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