Weather Forecast for
Zip Code 62002 Alton, IL


Today: Increasing clouds, with a high near 64. Northwest wind 13 to 15 mph, with gusts as high as 33 mph.

Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind 6 to 11 mph becoming light north after midnight.

Thursday: Increasing clouds, with a high near 66. Calm wind becoming west 5 to 7 mph in the afternoon.

Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 43. West wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.

Friday: Mostly sunny, with a high near 60. North wind 6 to 10 mph.

Friday Night: Partly cloudy, with a low around 39.

Saturday: Mostly sunny, with a high near 62.

Saturday Night: Mostly clear, with a low around 42.

Sunday: Sunny, with a high near 70.

Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 51.

Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Monday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 50.

Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.

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