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Grays Lake, IA Weather Forecast
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Grays Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 | |  |  | | |  |  | | | | |
| Chance of Showers | Chance of Showers | Mostly Clear | 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: 20% | POP: 20% | POP: 30% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 757 PM CDT Thu Aug 20 2026 
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Issued: 648 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
/00Z TAFS THROUGH 00Z SATURDAY/... Issued at 638 PM CDT Thu Aug 20 2026
VFR conditions ongoing and largely expected to continue through the TAF period. Clouds and lower ceilings are expected to skim KMCW this evening as showers and occasional storms pass nearby. These ceilings...