Weather Forecast for
Zip Code 62002 Alton, IL

Overnight: Mostly cloudy, with a low around 50. Calm wind.

Tuesday: Mostly cloudy, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.

Tuesday Night: Partly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm in the evening.

Wednesday: Sunny, with a high near 79. Light southeast wind becoming south 5 to 9 mph in the morning.

Wednesday Night: Mostly clear, with a low around 54. South wind 5 to 8 mph.

Thursday: Sunny, with a high near 83.

Thursday Night: Partly cloudy, with a low around 55.

Friday: Partly sunny, with a high near 80.

Friday Night: Mostly cloudy, with a low around 56.

Saturday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 74.

Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55.

Sunday: A 30 percent chance of showers. Partly sunny, with a high near 75.

Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 55.

Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

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