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National Weather Service Forecast for: St. Charles County
Issued by: NWS National Weather Service Saint Louis, MO

Updated: 551 AM CDT Thu Jun 4 2020

St. Charles , MO

Today Thunder storm	Tonight Partly Cloudy	Friday Thunder storm	Friday Night Thunder storm	Saturday Thunder storm	Saturday Night Clear	Sunday Sunny	Sunday Night Mostly Clear	Monday Partly Cloudy
Hi ≈85°F	Lo ≈70°F	Hi ≈95°F	Lo ≈70°F	Hi ≈85°F	Lo ≈65°F	Hi ≈85°F	Lo ≈65°F	Hi ≈85°F

Today	Cloudy with chance of showers and slight chance of thunderstorms in the morning, then partly sunny in the afternoon. High in the mid 80s. Southwest wind around 10 mph in the morning becoming light in the afternoon. Chance of rain 40 percent.
Tonight	Partly cloudy. Low around 70. Light wind.
Friday	Hot and humid. Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. High in the lower 90s. Highest heat index readings of around 100 in the afternoon. Light wind.
Friday Night	Partly cloudy with a 30 percent chance of showers and thunderstorms. Low around 70. Light wind.
Saturday	Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. High in the upper 80s. Northeast wind around 10 mph.
Saturday Night	Clear. Low in the mid 60s.
Sunday	Sunny. High in the upper 80s.
Sunday Night	Mostly clear. Low in the mid 60s.
Monday	Partly cloudy. High in the upper 80s.
Monday Night	Partly cloudy with a 20 percent chance of showers and thunderstorms. Low in the lower 70s.
Tuesday	Mostly cloudy with chance of showers and slight chance of thunderstorms. High in the mid 80s. Chance of rain 40 percent.
Tuesday Night	Partly cloudy with chance of showers and slight chance of thunderstorms. Low in the mid 60s. Chance of rain 50 percent.
Wednesday	Partly cloudy with chance of showers and slight chance of thunderstorms. High around 80. Chance of rain 30 percent.

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