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National Weather Service Forecast for: St. Charles County
Issued by: NWS National Weather Service Saint Louis, MO
Updated: 336 AM CDT Mon May 16 2022
St. Charles , MO
 
Through
Sunrise

Clear
Clear
Today


Sunny
Sunny
Tonight


Clear
Clear
Tuesday


Partly Sunny
Partly Sunny
Tuesday
Night

Thunder storm
Thunder storm
Wednesday


Thunder storm
Thunder storm
Wednesday
Night

Thunder storm
Thunder storm
Thursday


Thunder storm
Thunder storm
Thursday
Night

Thunder storm
Thunder storm
n/a Hi ≈80°F Lo ≈55°F Hi ≈85°F Lo ≈65°F Hi ≈85°F Lo ≈65°F Hi ≈85°F Lo ≈70°F

 

Through Sunrise
 
Clear. Temperature falling to the mid 50s. Light wind.
Today
 
Sunny. High around 80. Northwest wind 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Tonight
 
Clear. Low in the lower 50s to lower 60s. Light wind.
Tuesday
 
Mostly sunny in the morning and early afternoon then becoming partly sunny. High in the lower 80s. South wind around 10 mph.
Tuesday Night
 
Partly cloudy with chance of showers and thunderstorms in the evening, then mostly cloudy with showers and thunderstorms after midnight. Low in the mid 60s. South wind around 10 mph. Chance of rain 80 percent.
Wednesday
 
Mostly cloudy with showers and thunderstorms likely in the morning, then partly sunny with chance of showers and thunderstorms in the afternoon. High in the 80s. South wind around 10 mph in the morning shifting to the west in the afternoon. Chance of rain 60 percent.
Wednesday Night
 
Partly cloudy with a 40 percent chance of showers and thunderstorms. Low in the mid 60s.
Thursday
 
Partly cloudy with a 40 percent chance of showers and thunderstorms. High in the upper 80s.
Thursday Night
 
Breezy. Partly cloudy with a 30 percent chance of showers and thunderstorms. Low around 70.
Friday
 
Breezy. Partly cloudy with a 50 percent chance of showers and thunderstorms. High in the mid 80s. Temperature falling into the 70s in the afternoon.
Friday Night
 
Cooler. Partly cloudy with a 30 percent chance of showers and thunderstorms. Low in the upper 50s.
Saturday
 
Partly cloudy with a 20 percent chance of showers. High around 70.
Saturday Night
 
Partly cloudy with a 20 percent chance of showers. Low around 50.
Sunday
 
Partly cloudy with a 20 percent chance of showers. High around 70.

 

Forecast from NOAA-NWS for St. Charles County. (Zone forecast)