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City of St. Charles, MOSt Charles, MO Weather Forecast
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St Charles Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | | |  |  | |  |  |
| Fog | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Chance of Rain | Chance of Rain | Chance of Rain | Partly Cloudy | Partly Cloudy |
| Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Hi: 51°FHi: 11°C Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C Lo: 31°FLo: -1°C |
| POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 458 PM CST Sat Nov 07 2026 
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Issued: 536 PM CST Sat Nov 7 2026
Key Messages
- The area will remain free of hazardous weather through at least late next week.
Aviation
/00Z TAFS THROUGH 06Z MONDAY/... Issued at 533 PM CST Sat Nov 7 2026
VFR flight conditions are expected to prevail across the majority of the area through Sunday. Expect steam fog to develop again in the vicinity of area rivers after 06Z and to persist through sunrise. Visibilities will likely drop to 1SM or less in these locations. Other sheltered spots will probably see some radiation fog as well,...