7 Day Weather Forecast for O'Fallon, IL

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7 Day Forecast

Sunday

Weather Icon
Hi 95°FLo 71°F

Sunday: Foggy early followed by heavy thunderstorms this afternoon. High around 95F. Winds W at 5 to 10 mph. Chance of rain 80%.

Sunday night: Thunderstorms early, then cloudy skies after midnight. Low 71F. Winds light and variable. Chance of rain 80%.

Monday

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Hi 95°FLo 69°F

Monday: A few passing clouds, otherwise generally sunny. High around 95F. Winds light and variable.

Monday night: Partly cloudy skies. A stray shower or thunderstorm is possible. Low 69F. Winds light and variable.

Tuesday

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Hi 88°FLo 59°F

Tuesday: Isolated thunderstorms. Highs in the upper 80s and lows in the upper 50s.

Wednesday

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Hi 83°FLo 61°F

Wednesday: A few clouds. Highs in the low 80s and lows in the low 60s.

Thursday

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Hi 87°FLo 65°F

Thursday: Mix of sun and clouds. Highs in the upper 80s and lows in the mid 60s.

Friday

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Hi 86°FLo 66°F

Friday: Morning showers and thunderstorms. Highs in the mid 80s and lows in the mid 60s.

Saturday

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Hi 86°FLo 64°F

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

Local Weather Radar

Local Radar Image

Current Conditions

Few Clouds

Temperature

86°F

Feels Like

94°F

Humidity

68%

Wind

n/a 2 mph

Pressure

30 in

Visibility

10 mi

North America Radar

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Satellite Image

North America Weather Satellite Image

Forecast High Temperatures

North America High Temperature Map Image