7 Day Weather Forecast for O'Fallon, IL

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7 Day Forecast

Thursday

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Hi 80°F

Thursday: Thunderstorms likely this morning. Then the chance of scattered thunderstorms this afternoon. A few storms may be severe. High around 80F. Winds SW at 5 to 10 mph. Chance of rain 90%.

Thursday night: Mostly cloudy. A stray shower or thunderstorm is possible. Low 68F. Winds NNW at 5 to 10 mph.

Lo 68°F

Friday

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Hi 85°F

Friday: Intervals of clouds and sunshine. A stray shower or thunderstorm is possible. High near 85F. Winds N at 10 to 15 mph.

Friday night: A mostly clear sky. Low around 60F. Winds N at 10 to 15 mph.

Lo 60°F

Saturday

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Hi 82°F

Saturday: Sunshine. Highs in the low 80s and lows in the upper 50s.

Lo 58°F

Sunday

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Hi 84°F

Sunday: Mainly sunny. Highs in the mid 80s and lows in the low 60s.

Lo 61°F

Monday

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Hi 87°F

Monday: Abundant sunshine. Highs in the upper 80s and lows in the low 60s.

Lo 63°F

Tuesday

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Hi 90°F

Tuesday: Mostly sunny. Highs in the low 90s and lows in the mid 60s.

Lo 65°F

Wednesday

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Hi 91°F

Wednesday : Mostly sunny. Highs in the low 90s and lows in the upper 60s.

Lo 67°F

Local Weather Radar

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Current Conditions

Light Rain, Few Clouds

Temperature

77°F

Feels Like

78°F

Humidity

94%

Wind

NW 3 mph

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Satellite Image

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Forecast High Temperatures

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