7 Day Weather Forecast for O'Fallon, IL

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7 Day Forecast

Saturday

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Hi 47°FLo 36°F

Saturday: Some sun this morning with increasing clouds this afternoon. High 47F. Winds light and variable.

Saturday night: Cloudy skies. Low 36F. Winds light and variable.

Sunday

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Hi 42°FLo 33°F

Sunday: Light rain early...then remaining cloudy with showers in the afternoon. High 42F. Winds light and variable. Chance of rain 70%.

Sunday night: Partly cloudy. Low 33F. Winds light and variable.

Monday

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Hi 44°FLo 36°F

Monday: Mix of sun and clouds. Highs in the mid 40s and lows in the mid 30s.

Tuesday

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Hi 43°FLo 27°F

Tuesday: Periods of rain early. Highs in the low 40s and lows in the upper 20s.

Wednesday

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Hi 38°FLo 18°F

Wednesday: Chance of afternoon showers. Highs in the upper 30s and lows in the upper teens.

Thursday

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Hi 25°FLo 13°F

Thursday: Partly cloudy. Highs in the mid 20s and lows in the low teens.

Friday

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Hi 25°FLo 13°F

Friday : Times of sun and clouds. Highs in the mid 20s and lows in the low teens.

Local Weather Radar

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Current Conditions

Clear

Temperature

34°F

Feels Like

34°F

Humidity

99%

Wind

n/a 0 mph

Pressure

30 in

Visibility

10 mi

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Forecast High Temperatures

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