Weather World
DuPage County, IL Official SiteDuPage, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
DuPage Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | | | |  | | | |
| Clearing | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy |
| Hi: 51°FHi: 11°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 420 AM CDT Sun Oct 04 2026 
DuPage Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
DuPage Weather Map
DuPage Quick Facts
DuPage Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 152 AM CDT Sun Oct 4 2026
Key Messages
- Dry weather with seasonable temperatures are expected through much of the upcoming week.
Discussion
... Issued at 152 AM CDT Sun Oct 4 2026
A potent mid-level wave crossing the northern Great Lakes early this morning continues to encounter dry mid-level air across the CWA. However, the strong forcing interacting with little available moisture below modestly steep lapse rates has yielded an axis of isolated showers strong enough to result in precip reaching the surface north of I-88/290 ...