Old Union Church Historical, MS Weather Forecast
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Old Union Church Historical Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Partly Cloudy | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C |
| POP: 30% | POP: 30% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 941 PM CDT Mon Aug 17 2026 

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Issued: 1127 PM CDT Mon Aug 17 2026
Key Messages
Issued at 1126 PM CDT Mon Aug 17 2026
- A Heat Advisory remains in effect through Tuesday for portions of eastern Arkansas and north Mississippi.
- Heat is expected to persist through Wednesday over portions of the Mid-South with little if any relief expected until a cold front moves through the area later this week.
Discussion
... (Tonight through next Monday) Issued at 1126 PM CDT Mon Aug 17 2026
00Z upper air analysis centers an 597 dm ridge axis over portio...
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