St. Peter United Church, IL Weather Forecast
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St. Peter United Church Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Patchy Fog | Sunny | Chance of T-Storm | Chance of T-Storm | Thunderstorms | Chance of T-Storm | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear |
| Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 612 PM CDT Mon Aug 17 2026 

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Issued: 712 PM CDT Mon Aug 17 2026
Key Messages
- There is a high chance (80%) for scattered showers and thunderstorms Tuesday night. The chance for severe thunderstorms is very low.
- Another round of showers and thunderstorms (80% chance) impact the region Wednesday night.
- Temperatures remain seasonable through this weekend.
Aviation
/00Z TAFS THROUGH 06Z WEDNESDAY/... Issued at 709 PM CDT Mon Aug 17 2026
VFR flight conditions and light northerly flow are expected to prevail at least through this evening. ...
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