Weather Forecast for
Waukesha County, WI


Overnight: A 40 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. Calm wind.

Tuesday: A chance of showers, with thunderstorms also possible after 7am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.

Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny and hot, with a high near 91. Heat index values as high as 97. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Wednesday Night: Showers and thunderstorms before 4am, then a slight chance of showers. Low around 68. Southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 88. South wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Friday: Sunny, with a high near 79. West wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night: Mostly clear, with a low around 59.

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80.

Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.

Sunday: A 30 percent chance of showers. Mostly sunny, with a high near 73.

Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 53.

Monday: A 30 percent chance of showers. Mostly sunny, with a high near 73.

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