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Local 7 Day Weather Forecast for O'Fallon, Illinois

Clear

Temperature

67°F

Feels Like

67°F

Humidity

89%

Wind

n/a
1 mph

Pressure

30 in

Visibility

10 mi

Weather Maps

Local 7 Day Weather Forecast

Weather Icon
Hi 90°F
Lo 67°F

Thursday: Plentiful sunshine. High near 90F. Winds N at 5 to 10 mph.

Thursday night: Clear skies. Low 67F. Winds light and variable.

Weather Icon
Hi 91°F
Lo 67°F

Friday: A mainly sunny sky. High 91F. Winds NW at 5 to 10 mph.

Friday night: A few clouds overnight. Low 67F. Winds light and variable.

Weather Icon
Hi 88°F
Lo 65°F

Saturday: Mainly sunny. Highs in the upper 80s and lows in the mid 60s.

Weather Icon
Hi 88°F
Lo 69°F

Sunday: Afternoon showers and thunderstorms. Highs in the upper 80s and lows in the upper 60s.

Weather Icon
Hi 91°F
Lo 69°F

Monday: Afternoon showers and thunderstorms. Highs in the low 90s and lows in the upper 60s.

Weather Icon
Hi 88°F
Lo 68°F

Tuesday: Thunderstorms developing in the afternoon. Highs in the upper 80s and lows in the upper 60s.

Weather Icon
Hi 82°F
Lo 66°F

Wednesday : A few thunderstorms possible. Highs in the low 80s and lows in the mid 60s.


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