7 Day Weather Forecast for O'Fallon, IL

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7 Day Forecast

Tuesday

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Hi 65°F

Tuesday: Cloudy skies. High 66F. Winds NNE at 5 to 10 mph.

Tuesday night: Mostly cloudy. Slight chance of a rain shower. Low 49F. Winds NE at 5 to 10 mph.

Lo 49°F

Wednesday

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Hi 66°F

Wednesday: Mostly cloudy. Highs in the upper 60s and lows in the mid 50s.

Lo 49°F

Thursday

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Hi 69°F

Thursday: Thunderstorms. Potential for severe thunderstorms. Highs in the upper 60s and lows in the mid 40s.

Lo 55°F

Friday

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Hi 69°F

Friday: Mostly cloudy. Highs in the mid 50s and lows in the low 40s.

Lo 46°F

Saturday

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Hi 56°F

Saturday: Mix of sun and clouds. Highs in the mid 60s and lows in the mid 40s.

Lo 40°F

Sunday

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Hi 64°F

Sunday : Partly cloudy. Highs in the mid 60s and lows in the upper 40s.

Lo 46°F

Monday

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Hi 64°F

Monday: Thunderstorms likely this morning. Then the chance of scattered thunderstorms this afternoon. High near 65F. Winds ENE at 5 to 10 mph. Chance of rain 100%.

Monday night: Cloudy skies early, followed by partial clearing. Slight chance of a rain shower. Low 49F. Winds NNW at 5 to 10 mph.

Lo 48°F

Local Weather Radar

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Current Conditions

Overcast

Temperature

55°F

Feels Like

55°F

Humidity

100%

Wind

NW 8 mph

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Satellite Image

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Forecast High Temperatures

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