Weather Forecast for
Zip Code 53561 Merrimac, WI


Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

Tuesday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 68. Calm wind becoming south around 5 mph.

Wednesday: A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Heat index values as high as 97. South wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday Night: Showers and possibly a thunderstorm, mainly before 1am. Low around 68. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 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 84. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 59. West wind 5 to 10 mph. Chance of precipitation is 60%. 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.

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

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly 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 74.

Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 54.

Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.

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