Weather Forecast for
Mason County, IL


Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.

Tonight: Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 71. South southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Showers and thunderstorms before 10pm, then showers likely between 10pm and 1am. Low around 61. Southwest wind 13 to 18 mph becoming west northwest 6 to 11 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday: Sunny, with a high near 83. West northwest wind 6 to 10 mph, with gusts as high as 17 mph.

Friday Night: Clear, with a low around 61. Light and variable wind.

Saturday: Sunny, with a high near 87. South wind 6 to 11 mph, with gusts as high as 20 mph.

Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

Sunday: A 30 percent chance of showers. Partly sunny, with a high near 79.

Sunday Night: Partly cloudy, with a low around 57.

Monday: Mostly sunny, with a high near 76.

Monday Night: Partly cloudy, with a low around 56.

Tuesday: Mostly sunny, with a high near 78.

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