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City of Frontenac, MissouriFrontenac, MO Weather Forecast
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Frontenac Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | | | |  |  |  | | |
| Mostly Cloudy | Clearing | Sunny | Clear | Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Showers Likely | Chance of Showers | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C |
| POP: 40% | POP: 60% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1154 AM CDT Tue Oct 27 2026 
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Issued: 1158 AM CDT Tue Oct 27 2026
Key Messages
- Warm and dry conditions are expected to continue through the end of the work week.
- Chances for widespread rain showers return Saturday afternoon/night.
Aviation
/12Z TAFS THROUGH 18Z WEDNESDAY/... Issued at 1157 AM CDT Tue Oct 27 2026
VFR conditions persist under broken high clouds this afternoon. Clouds gradually clear tonight into Wednesday, accompanied by light, southerly surface flow.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... MO...None. IL...None.