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National Weather Service Forecast for: St. Charles County
Issued by: NWS National Weather Service Saint Louis, MO
Updated: 936 AM CST Wed Jan 20 2021
St. Charles , MO
 
Rest
Of Today

Partly Cloudy
Partly Cloudy
Tonight


Partly Cloudy
Partly Cloudy
Thursday


Mostly Sunny
Mostly Sunny
Thursday
Night

Mostly Clear
Mostly Clear
Friday


Mostly Sunny
Mostly Sunny
Friday
Night

Mostly Clear
Mostly Clear
Saturday


Partly Cloudy
Partly Cloudy
Saturday
Night

Snow
Snow
Sunday


Chance rain
Chance rain
Hi ≈45°F Lo ≈35°F Hi ≈45°F Lo ≈25°F Hi ≈35°F Lo ≈20°F Hi ≈35°F Lo ≈30°F Hi ≈45°F

 

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)