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Gateway Church, IL Weather Forecast
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Gateway Church Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 237 AM CDT Thu Sep 17 2026 
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Issued: 243 AM CDT Thu Sep 17 2026
Key Messages
- A late season heat wave continues through at least Saturday with peak heat index values of 100-105F+ along/south of I-70.
- Scattered showers with an isolated sub-severe thunderstorm are possible (20-30%) across portions of the area this afternoon/evening.
Aviation
/00Z TAFS THROUGH 06Z FRIDAY/... Issued at 1108 PM CDT Wed Sep 16 2026
VFR flight conditions are expected to prevail through the period. Light and variable surface flow will turn to the west- southwest Thursday morning across m...