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National Weather Service Forecast for: St. Charles County
Issued by: NWS National Weather Service Saint Louis, MO
Updated: 835 PM CDT Sun Sep 23 2018
St. Charles , MO
 
Tonight


Mostly Cloudy
Mostly Cloudy
Monday


Thunder storm
Thunder storm
Monday
Night

Thunder storm
Thunder storm
Tuesday


Thunder storm
Thunder storm
Tuesday
Night

Thunder storm
Thunder storm
Wednesday


Partly Cloudy
Partly Cloudy
Wednesday
Night

Partly Cloudy
Partly Cloudy
Thursday


Mostly Sunny
Mostly Sunny
Thursday
Night

Partly Cloudy
Partly Cloudy
Lo ≈65°F Hi ≈75°F Lo ≈65°F Hi ≈85°F Lo ≈55°F Hi ≈70°F Lo ≈50°F Hi ≈75°F Lo ≈55°F

 

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)