Sumner Senior High School, IA Weather Forecast
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Sumner Senior High School Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Clear | Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C |
| POP: 30% | POP: 70% | POP: 20% | POP: 20% | POP: 30% | POP: 40% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 527 PM CDT Thu Aug 27 2026 

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Issued: 642 PM CDT Thu Aug 27 2026
Key Messages
- Dry conditions to continue tonight into Friday. Patchy fog possible in the early morning.
- Shower and storm chances return late Friday into Saturday, with a low risk of severe weather. Additional storm chances will continue at times into early next week.
- A pattern change will lead to warming temperatures and higher humidity. Heat indices will be in the 90s.
Aviation
/00Z TAFS THROUGH 00Z SATURDAY/... Issued at 634 PM CDT Thu Aug 27 2026
VFR conditions ongoing and expected to continue thr...
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