Weather Forecast for
Petersburg, IL

Today: Mostly sunny, with a high near 79. Calm wind.

Tonight: Partly cloudy, with a low around 59. Light south southeast wind.

Wednesday: A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. South southeast wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

Wednesday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 62. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 50%.

Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. East southeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Saturday: Partly sunny, with a high near 85.

Saturday Night: Partly cloudy, with a low around 70.

Sunday: Mostly sunny, with a high near 91.

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

Monday: Sunny, with a high near 93.

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