National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Fair

38°F

3°C

Humidity 93%
Wind Speed N 7 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Wind Chill33°F (1°C)
Last update 6 Apr 2:52 am CDT
Extended Forecast for

Oswego IL

  • Overnight

    Overnight: A 30 percent chance of showers before 3am. Partly cloudy, with a low around 39. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 51. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. East wind around 10 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 33. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Breezy.

    High: 66 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 30 percent chance of showers before 3am. Partly cloudy, with a low around 39. West northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 51. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. East wind around 10 mph.
Tuesday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 33. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53.
Thursday
A chance of showers. Mostly cloudy, with a high near 66.
Thursday Night
Showers likely. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 62.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Partly sunny, with a high near 64.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly cloudy, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.69°N 88.33°W
Last Update:
2:41 am CDT Apr 6, 2026
Forecast Valid:
2am CDT Apr 6, 2026-6pm CDT Apr 12, 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