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National Weather Service Forecast for: St. Charles County Smartt Airport MO
Issued by: National Weather Service Saint Louis, MO
Updated: 7:57 pm CDT Aug 19, 2017
 
Tonight

Tonight: Clear, with a low around 66. Calm wind.
Clear

Sunday

Sunday: Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Monday

Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming south 5 to 7 mph in the morning.
Mostly Sunny
then Slight
Chance
T-storms
Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 72. South wind around 6 mph.
Mostly Cloudy
then Chance
T-storms
Tuesday

Tuesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
T-storms
Likely

Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 62.
Slight Chance
T-storms

Wednesday

Wednesday: Sunny, with a high near 80.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Mostly Clear

Lo 66 °F Hi 94 °F Lo 71 °F Hi 92 °F Lo 72 °F Hi 84 °F Lo 62 °F Hi 80 °F Lo 58 °F

 

Tonight
 
Clear, with a low around 66. Calm wind.
Sunday
 
Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
 
Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Monday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
 
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South wind around 6 mph.
Tuesday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Wednesday
 
Sunny, with a high near 80.
Wednesday Night
 
Mostly clear, with a low around 58.
Thursday
 
Sunny, with a high near 79.
Thursday Night
 
Mostly clear, with a low around 58.
Friday
 
Mostly sunny, with a high near 79.
Friday Night
 
Partly cloudy, with a low around 59.
Saturday
 
Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for St. Charles County Smartt Airport MO.