Weather Forecast for
Alton, MO

Tonight: Mostly clear, with a low around 68. Light south wind.

Sunday: Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.

Sunday Night: Increasing clouds, with a low around 71. South wind 3 to 5 mph.

Monday: Partly sunny, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 103. Southwest wind 3 to 5 mph.

Monday Night: Clear, with a low around 73. South wind 3 to 5 mph.

Tuesday: Sunny and hot, with a high near 95.

Tuesday Night: Mostly clear, with a low around 74.

Wednesday: Mostly sunny and hot, with a high near 94.

Wednesday Night: Partly cloudy, with a low around 74.

Thursday: Mostly sunny and hot, with a high near 92.

Thursday Night: A chance of showers. Mostly cloudy, with a low around 72.

Friday: Partly sunny, with a high near 90.

Friday Night: A chance of showers. Partly cloudy, with a low around 71.

Saturday: A chance of showers. Partly sunny, with a high near 89.

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