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Summers Church, IL Weather Forecast
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Summers Church Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | | | | |  |  | |  | |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers | Partly Cloudy |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | 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 Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1218 AM CDT Thu Sep 17 2026 
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Issued: 1259 AM CDT Thu Sep 17 2026
Key Messages
- A Heat Advisory remains in effect through Sunday as near record to record breaking heat continues, with both highs and lows from 14 to near 20 degrees above normal. Highs through this period will be in the middle 90s to around 100 degrees.
- Temperatures will start to trend downward Monday, with highs several degrees lower than Sunday, but the real break in the heat arrives Tuesday and especially Wednesday, with highs mostly in the middle 80s to 90 degrees.
- A few afternoon showers and ...