7 Day Weather Forecast for Alton, IL

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7 Day Forecast

Sunday

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Hi 78°F

Sunday: Cloudy skies this morning will become partly cloudy this afternoon. A stray shower or thunderstorm is possible. High 78F. Winds WNW at 10 to 20 mph.

Sunday night: Clear skies. Low 58F. Winds W at 5 to 10 mph.

Lo 58°F

Monday

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Hi 83°F

Monday: Except for a few afternoon clouds, mainly sunny. A stray shower or thunderstorm is possible. High 83F. Winds W at 10 to 20 mph.

Monday night: Clear skies. Low 56F. Winds WNW at 5 to 10 mph.

Lo 56°F

Tuesday

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Hi 78°F

Tuesday: Plenty of sun. Highs in the upper 70s and lows in the upper 50s.

Lo 58°F

Wednesday

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Hi 77°F

Wednesday: Abundant sunshine. Highs in the upper 70s and lows in the upper 50s.

Lo 57°F

Thursday

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Hi 80°F

Thursday: Scattered thunderstorms possible. Highs in the low 80s and lows in the mid 60s.

Lo 65°F

Friday

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Hi 83°F

Friday: Thunderstorms. Highs in the low 80s and lows in the mid 60s.

Lo 66°F

Saturday

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Hi 83°F

Saturday : Scattered thunderstorms possible. Highs in the low 80s and lows in the mid 60s.

Lo 64°F

Local Weather Radar

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Current Conditions

Broken Clouds

Temperature

75°F

Feels Like

75°F

Humidity

65%

Wind

WNW 23 mph

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Satellite Image

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Forecast High Temperatures

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