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Robert Sibley Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Mostly Clear |
| Hi: 95°FHi: 35°C | 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: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 605 AM CDT Mon Aug 31 2026 
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Issued: 621 AM CDT Mon Aug 31 2026
Key Messages
Issued at 621 AM CDT Mon Aug 31 2026- Hot and humid weather is expected this week with highs in the mid to upper 90s and oppressive heat indices above the 105 degree mark.
- A Heat Advisory is in effect for east Arkansas, the Missouri Bootheel, northwest Mississippi, and portions of West Tennessee today. Additional heat headlines are expected through most of the week.
- There is a low chance of isolated showers by the end of the week into next weekend. Otherwise, a prolonged dry spell is ...