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Gateway Park, IL Weather Forecast
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Gateway Park Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Clearing |
| Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 856 PM CDT Mon Oct 05 2026 
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Issued: 620 PM CDT Mon Oct 5 2026
Key Messages
- Near to above normal temperatures with predominantly dry conditions are expected through much of this week.
Discussion
... Issued at 318 PM CDT Mon Oct 5 2026
Dry conditions are expected to persist into tomorrow as a sprawling ~1025 mb surface high continues to exert its influence across the region. The surface pressure gradient will tighten as the center of this surface high repositions itself to our east and a ~996 mb surface low tracks from northern Manitoba into northern Ontario wit...