First Lutheran Church of Princeton, IL Weather Forecast
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First Lutheran Church of Princeton Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C |
| POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1216 AM CDT Sun Aug 30 2026 

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Issued: 1245 AM CDT Sun Aug 30 2026
Key Messages
- Heat and humidity will build across the area for at least the first half of next week. Heat index values are expected to rise to the middle 90s to around 100 degrees, highest for areas south of I- 80. This is dependent on if showers/storms develop, which would cool temperatures.
- There is potential for active weather at times, depending on the where the edge of the heat dome settles.
Aviation
/06Z TAFS THROUGH 06Z MONDAY/... Issued at 1240 AM CDT Sun Aug 30 2026
Nocturnal convection is b...
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