Weather Forecast for
Winnebago County, IL


Today: Showers and thunderstorms likely, mainly between noon and 3pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 80. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.

Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 60%.

Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Wednesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Wednesday Night: Partly cloudy, with a low around 62.

Thursday: Mostly cloudy, with a high near 77.

Thursday Night: Mostly cloudy, with a low around 57.

Friday: Partly sunny, with a high near 75.

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

Saturday: A chance of showers. Partly sunny, with a high near 75.

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