Local 7 Day Weather Forecast for O'Fallon, Illinois

Clear

Temperature

73°F

Feels Like

73°F

Humidity

99%

Wind

n/a
3 mph

Pressure

30 in

Visibility

10 mi

Weather Maps

Local 7 Day Weather Forecast

Weather Icon
Hi 82°F
Lo 69°F

Sunday: Sun and a few passing clouds. High 88F. Winds SSW at 5 to 10 mph.

Sunday night: Clear skies. Low 71F. Winds S at 5 to 10 mph.

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Hi 88°F
Lo 71°F

Monday: Partial cloudiness early, with scattered showers and thunderstorms in the afternoon. A few storms may be severe. High 92F. Winds SSW at 10 to 20 mph. Chance of rain 40%.

Monday: Afternoon showers and thunderstorms. Highs in the low 90s and lows in the low 70s.

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Hi 92°F
Lo 71°F

Tuesday: Showers and thunderstorms. Highs in the mid 80s and lows in the upper 60s.

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Hi 86°F
Lo 67°F

Wednesday: A few thunderstorms possible. Highs in the upper 80s and lows in the low 70s.

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Hi 87°F
Lo 71°F

Thursday: Mix of sun and clouds. Highs in the mid 90s and lows in the low 70s.

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Hi 94°F
Lo 73°F

Friday : Mainly sunny. Highs in the mid 90s and lows in the low 70s.

Weather Icon
Hi 94°F
Lo 71°F

Saturday night: Partly to mostly cloudy skies with scattered thunderstorms mainly during the evening. Low 69F. Winds SSW at 5 to 10 mph. Chance of rain 50%.