Weather Forecast for
Zip Code 54651 Ontario, WI

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 61. Light south wind.

Sunday: Showers and thunderstorms likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night: A 30 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, with a low around 63. Calm wind.

Monday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 7am. Partly sunny, with a high near 83. Calm wind. Chance of precipitation is 20%.

Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.

Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. Calm wind.

Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Calm wind.

Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

Wednesday Night: Partly cloudy, with a low around 59. Calm wind.

Thursday: Partly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.

Thursday Night: Partly cloudy, with a low around 55. Calm wind.

Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. Light east wind.

Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Calm wind.

Saturday: A 20 percent chance of showers. Partly sunny, with a high near 74. Calm wind becoming east around 6 mph in the morning.

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