Adelphi, IA Weather Forecast
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Adelphi Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Partly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 70% | POP: 20% | POP: 30% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM CDT Sat Sep 05 2026 

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Issued: 1243 PM CDT Sat Sep 5 2026
Key Messages
- Patchy fog over much of northern/north-central Iowa this morning, with pockets of isolated dense fog at times.
- Hot and humid conditions continue through today, with a Heat Advisory in effect for much of southern and central Iowa until this evening. Temperatures lower slightly Sunday/Monday, reducing overall heat impacts somewhat.
- Very low potential (<15%) for a few isolated storms in northwest Iowa today, otherwise dry. More widespread showers and thunderstorms possible on Sunday, with a low potential for severe weather.
Aviation
/18Z TAFS THROUGH 18Z SUNDAY/... Issued at 1238 PM CDT Sat Sep 5 2026
A wide assortment of aviation conditions are across Iowa to...
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