| National Weather Service Forecast for:
St. Charles County Issued by: NWS National Weather Service Saint Louis, MO |
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| Updated: 936 AM CST Wed Jan 20 2021 | ||||||||||||||||||
| St. Charles , MO | ||||||||||||||||||
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| Rest Of Today |
Sunny in the late morning and early afternoon then becoming partly cloudy. High in the lower 40s to lower 50s. Light wind late in the morning becoming south 10 to 15 mph in the afternoon. |
| Tonight |
Partly cloudy until early morning then becoming clear. Low in the 30s. Southwest wind 10 to 15 mph. |
| Thursday |
Mostly sunny. High in the upper 40s to mid 50s. West wind around 10 mph. |
| Thursday Night |
Mostly clear. Low in the mid 20s. Northwest wind around 10 mph. |
| Friday |
Colder. Mostly sunny. High in the mid 30s to lower 40s. Northwest wind around 10 mph. |
| Friday Night |
Mostly clear. Low around 20. |
| Saturday |
Partly cloudy. High in the upper 30s. |
| Saturday Night |
Mostly cloudy with a 20 percent chance of snow. Low around 30. Temperature steady or slowly rising after midnight. |
| Sunday |
Mostly cloudy with a 20 percent chance of rain, possibly mixed with snow. High in the mid 40s. |
| Sunday Night |
Mostly cloudy with a 40 percent chance of rain. Low in the mid 30s. |
| Monday |
Mostly cloudy with a 30 percent chance of rain. High in the lower 40s. |
| Monday Night |
Mostly cloudy with a 30 percent chance of snow, possibly mixed with rain. Low around 30. |
| Tuesday |
Mostly cloudy. High around 40. |
Forecast from NOAA-NWS for St. Charles County. (Zone forecast)