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.

Fair

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 29.95 in (1014.0 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 3 Aug 12:54 am CDT
Extended Forecast for

Winnebago IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 57. North northeast wind around 5 mph.

    Low: 57 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. North northeast wind around 5 mph becoming calm.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southeast wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South southwest wind around 5 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 57. North northeast wind around 5 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. North northeast wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 58. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South southwest wind around 5 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
A chance of showers before 1pm. Partly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago IL
 42.26°N 89.24°W
Last Update:
11:46 pm CDT Aug 2, 2026
Forecast Valid:
1am CDT Aug 3, 2026-6pm CDT Aug 9, 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