7 Day Weather Forecast for Alton, IL

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7 Day Forecast

Saturday

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Hi 82°FLo 65°F

Saturday: Considerable cloudiness. A stray severe thunderstorm is possible. High 82F. Winds S at 10 to 20 mph.

Saturday night: Scattered thunderstorms during the evening. Partly cloudy skies after midnight. Low near 65F. Winds SSW at 10 to 15 mph. Chance of rain 40%.

Sunday

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Hi 87°FLo 65°F

Sunday: Generally sunny despite a few afternoon clouds. A stray shower or thunderstorm is possible. High 87F. Winds WNW at 5 to 10 mph.

Sunday night: Mostly clear. Low near 65F. Winds light and variable.

Monday

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Hi 88°FLo 66°F

Monday: Partly cloudy. Highs in the upper 80s and lows in the mid 60s.

Tuesday

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Hi 84°FLo 66°F

Tuesday: Scattered thunderstorms. Highs in the mid 80s and lows in the mid 60s.

Wednesday

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Hi 83°FLo 63°F

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

Thursday

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Hi 77°FLo 58°F

Thursday: Morning showers. Highs in the upper 70s and lows in the upper 50s.

Friday

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Hi 77°FLo 55°F

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

Do I need an umbrella?

No

Local Weather Radar

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Current Conditions

Scattered Clouds

Temperature

81°F

Feels Like

83°F

Humidity

65%

Wind

S 18 mph

Pressure

30 in

Visibility

10 mi

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Satellite Image

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Forecast High Temperatures

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