Reyhan, IL Weather Forecast
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Reyhan Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Partly Sunny |
| Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C |
| POP: 20% | POP: 30% | POP: 30% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM CDT Thu Sep 17 2026 

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Issued: 1222 AM CDT Thu Sep 17 2026
Key Messages
- Shower and thunderstorm chances will be highest north of I-74 this morning. Some areas could see locally heavy rain and a Flood Watch remains in effect for Knox, Stark and Marshall Counties through 10 AM.
- High heat and humidity will build over portions of central and southeast IL today. A Heat Advisory is in effect until 7 PM south of a Springfield to Robinson line, where afternoon heat indices will peak near 105 degrees.
Discussion
... Issued at 1222 AM CDT Thu Sep 17 2026
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