Weather Forecast for
Chambersburg, IL

This Afternoon: Sunny, with a high near 88. Light west wind.

Tonight: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.

Sunday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Sunday Night: Partly cloudy, with a low around 75. South wind 8 to 11 mph, with gusts as high as 20 mph.

Monday: Mostly sunny, with a high near 94. Southwest wind 6 to 13 mph.

Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.

Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.

Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.

Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89.

Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

Thursday: Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.

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