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Clark Memorial Tower, IA Weather Forecast
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Clark Memorial Tower Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | | | |  |  | | | | |
| Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny |
| Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 40% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1037 PM CDT Thu Aug 20 2026 
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Issued: 1058 PM CDT Thu Aug 20 2026
Key Messages
- A few isolated storms skim northern Iowa overnight tonight.
- Additional thunderstorms in southwest Iowa Friday evening and overnight.
- Mostly dry and sunny through the weekend!
Aviation
/06Z TAFS THROUGH 06Z SATURDAY/... Issued at 1052 PM CDT Thu Aug 20 2026
VFR conditions ongoing and expected to continue through the TAF period. Few showers and isolated storms are starting to skim far north and northeast sections mainly north of KMCW and KALO. There`s still a...