Weather Forecast for
Stephenson County, IL


Overnight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. East wind around 10 mph.

Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 80. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%.

Tuesday: Partly sunny, with a high near 88. South wind around 5 mph.

Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Wednesday: Sunny, with a high near 91. Breezy.

Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 70%.

Thursday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.

Friday: Sunny, with a high near 85.

Friday Night: Mostly clear, with a low around 63.

Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

Sunday: A 30 percent chance of showers. Mostly sunny, with a high near 80.

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