Weather Forecast for
Mason, IL

Tonight: Mostly clear, with a low around 70. Calm wind.

Sunday: Sunny, with a high near 91. Heat index values as high as 102. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

Sunday Night: Mostly clear, with a low around 73. South wind 7 to 9 mph, with gusts as high as 17 mph.

Monday: Sunny, with a high near 91. Heat index values as high as 103. South southwest wind 7 to 9 mph, with gusts as high as 15 mph.

Monday Night: Mostly clear, with a low around 75. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.

Tuesday: Mostly sunny, with a high near 90. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.

Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Light south southwest wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 16 mph.

Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.

Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67.

Friday: A chance of showers. Partly sunny, with a high near 81.

Friday Night: A chance of showers. Mostly cloudy, with a low around 66.

Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 81.

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