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Percival Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | | |  |  | | |  |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 59°FHi: 15°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 60% | POP: 40% | POP: 50% | POP: 50% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1153 AM CDT Sat Sep 19 2026 
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Issued: 1227 PM CDT Sat Sep 19 2026
Key Messages
- Cooler and cloudy conditions expected today with additional showers and storms possible (30% chance) across extreme southeast NE and southwest IA this evening.
- Cooler conditions expected into the work week, with highs generally in the 60s and periodic precipitation chances.
Discussion
... Issued at 1112 PM CDT Fri Sep 18 2026
Tonight and Saturday...
Water vapor imagery and objective analysis this evening displays a mid-level ridge centered over the Lower Mississippi Valley with troughing...