7 Day Weather Forecast for Alton, IL

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7 Day Forecast

Saturday

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Hi 89°FLo 67°F

Saturday: Sunny to partly cloudy. High 89F. Winds SSE at 5 to 10 mph.

Saturday night: Mainly clear skies. Low 67F. Winds light and variable.

Sunday

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Hi 88°FLo 59°F

Sunday: Mostly sunny in the morning then increasing clouds with some scattered thunderstorms later in the day. High 88F. Winds SSW at 10 to 15 mph. Chance of rain 60%.

Sunday night: Scattered thunderstorms in the evening, with mostly cloudy skies overnight. Low 59F. Winds NW at 10 to 15 mph. Chance of rain 60%.

Monday

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Hi 73°FLo 51°F

Monday: Partly cloudy. Highs in the low 70s and lows in the low 50s.

Tuesday

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Hi 73°FLo 52°F

Tuesday: Sunny. Highs in the low 70s and lows in the low 50s.

Wednesday

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Hi 75°FLo 51°F

Wednesday: Mostly sunny. Highs in the mid 70s and lows in the low 50s.

Thursday

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Hi 74°FLo 52°F

Thursday: Plenty of sun. Highs in the mid 70s and lows in the low 50s.

Friday

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Hi 75°FLo 53°F

Friday : More sun than clouds. Highs in the mid 70s and lows in the low 50s.

Local Weather Radar

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Current Conditions

Clear

Temperature

77°F

Feels Like

79°F

Humidity

69%

Wind

n/a 0 mph

Pressure

30 in

Visibility

10 mi

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Forecast High Temperatures

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