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Penrose Park, MO Weather Forecast
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Penrose Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
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| Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 70% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 628 AM CDT Fri Sep 18 2026 
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Issued: 616 AM CDT Fri Sep 18 2026
Key Messages
- Summer-like heat and humidity continue at least through Saturday.
- A slow moving cold front brings rain chances Sunday and Monday along with a shift toward cooler temperatures next week.
Aviation
/12Z TAFS THROUGH 18Z SATURDAY/... Issued at 616 AM CDT Fri Sep 18 2026
A weak cold front remains draped near I-70 from central Missouri through the St Louis metro at this time. Winds along the front are very light and variable. To the north of the front, a low IFR deck of clouds has been advanc...