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Southeastern Illinois College Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Sun Aug 16 2026 
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Issued: 115 PM CDT Sun Aug 16 2026
Key Messages
- Extreme heat warning conditions continue today with Heat Indices peaking in the triple digits up to near 115 degrees.
- At least a few thunderstorms are expected tonight and this evening ahead of a cold front. A few storms could be severe with damaging winds the main threat.
- Shower and storm chances return Wednesday and Thursday with some strong/severe thunderstorm risk.
Discussion
... Issued at 115 PM CDT Sun Aug 16 2026
Dangerous heat and humidity persists ...