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Buckner, IL Weather Forecast
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Buckner Weather Forecast
| OVERNIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  | | |  | | |  |  | | | |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Clearing | Mostly Clear | Mostly Clear |
| Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C |
| POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Sun Sep 06 2026 
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Issued: 227 AM CDT Sun Sep 6 2026
Key Messages
- A Heat Advisory is in effect until 8 PM tonight for portions of southeast Missouri and west Kentucky, generally south of a Greenville Missouri to Murray Kentucky line. Heat index values in the Advisory area will reach 100 to 105 degrees.
- Labor Day will be the choice day of the weekend, with highs around 90, much less humidity, and a light northeast wind. Another major warming trend begins Tuesday and continues Wednesday, when high temperatures will be 95 to 100, and heat index values...