| National Weather Service Forecast for:
St. Charles County Issued by: NWS National Weather Service Saint Louis, MO |
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| Updated: 835 PM CDT Sun Sep 23 2018 | ||||||||||||||||||
| St. Charles , MO | ||||||||||||||||||
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| Tonight |
Warmer. Mostly cloudy during mid evening then becoming mostly clear late in the evening then becoming cloudy after midnight. A 20 percent chance of showers after midnight. Low in the lower 60s. Light wind during mid and late evening becoming east around 10 mph after midnight. |
| Monday |
Cloudy. Patchy fog in the morning. Slight chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. High in the upper 70s. Southeast wind around 10 mph. Chance of rain 20 percent. |
| Monday Night |
Mostly cloudy with a 30 percent chance of showers and thunderstorms. Low in the upper 60s. Light wind. |
| Tuesday |
Mostly cloudy with a 40 percent chance of showers and thunderstorms. High in the lower 80s. Light wind. |
| Tuesday Night |
Mostly cloudy with a 40 percent chance of showers and thunderstorms. Low in the upper 50s. Northwest wind around 10 mph. |
| Wednesday |
Cooler. Partly cloudy. High around 70. |
| Wednesday Night |
Partly cloudy. Low around 50. |
| Thursday |
Mostly sunny. High in the mid 70s. |
| Thursday Night |
Partly cloudy. Low in the lower 50s. |
| Friday |
Mostly sunny. High in the mid 70s. |
| Friday Night |
Partly cloudy. Low around 60. |
| Saturday |
Partly cloudy. High in the upper 70s. |
| Saturday Night |
Partly cloudy. Low around 60. |
| Sunday |
Partly cloudy. High in the mid 80s. Temperature falling into the 70s in the afternoon. |
Forecast from NOAA-NWS for St. Charles County. (Zone forecast)