Grassy Lake, MO Weather Forecast
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Grassy Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny |
| Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 754 PM CDT Wed Oct 21 2026 

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Issued: 550 PM CDT Wed Oct 21 2026
Key Messages
- Dry and seasonably warm conditions will persist through the weekend.
Aviation
/18Z TAFS THROUGH 00Z FRIDAY/... Issued at 547 PM CDT Wed Oct 21 2026
Dry and mainly VFR conditions are expected through the period. There will be some fog late tonight into early Thursday in low lying areas with MVFR and occasional IFR visibilities including at JEF, SUS, CPS. Otherwise winds are expected to remain light.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... MO...None. IL...None.
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