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

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

66°F

19°C

Humidity 93%
Wind Speed S 3 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 4 Aug 1:52 am CDT
Extended Forecast for

Bartlett IL

  • Overnight

    Overnight: Mostly clear, with a low around 63. South southwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 67. South southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. West northwest wind around 5 mph becoming south southwest in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 63. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 67. South southwest wind around 5 mph. Chance of precipitation is 40%.
Wednesday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. West northwest wind around 5 mph becoming south southwest in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 63. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
A chance of showers. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Bartlett IL
 41.97°N 88.23°W
Last Update:
1:21 am CDT Aug 4, 2026
Forecast Valid:
2am CDT Aug 4, 2026-6pm CDT Aug 10, 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