Weather Forecast for
Lanark, IL


Overnight: Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph.

Sunday: Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Sunday Night: Showers and thunderstorms likely, mainly before 1am. Increasing clouds, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. South wind around 5 mph. Chance of precipitation is 50%.

Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

Tuesday: Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Wednesday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 82.

Wednesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 63.

Thursday: Partly sunny, with a high near 77.

Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.

Friday: A 40 percent chance of showers. Mostly sunny, with a high near 73.

Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Saturday: A 30 percent chance of showers. Partly sunny, with a high near 73.

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