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St. Matthews Church, IL Weather Forecast
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St. Matthews Church Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  | | | | | | | | | |
| Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Clear | Clear | Clear | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM CDT Sun Oct 18 2026 
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Issued: 129 PM CDT Sun Oct 18 2026
Key Messages
- Temperatures will drop down into the upper 30s to low 40s tonight. Frost formation may be possible again in south- central and eastern IL. Continue to take precautions to protect sensitive vegetation with these colder temperatures and threat of frost.
- Temperatures will warm this week. Highs tomorrow in the low 70s. By Thursday, temperatures will be back well above normal with highs in the upper 70s, nearing 80, for the end of the week.
Discussion
... Issued at 129 PM CDT Sun Oct 18 202...