Weather forecast for: Brill WI
Last Update: 1:26 pm CDT Sep 7, 2026
Labor Day: Mostly cloudy, with a high near 80. South southeast wind 10 to 15 mph.
Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 61. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday: Showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. South southwest wind 5 to 10 mph becoming west after midnight.
Wednesday: Sunny, with a high near 75. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night: Mostly clear, with a low around 47. West northwest wind 5 to 10 mph becoming light in the evening.
Thursday: Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night: Clear, with a low around 54. Calm wind becoming south around 5 mph after midnight.
Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 54. South wind 5 to 15 mph. Chance of precipitation is 60%.
Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 73. West northwest wind 5 to 10 mph.
Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 47. West northwest wind around 5 mph becoming calm in the evening.
Sunday: A 30 percent chance of showers. Partly sunny, with a high near 69. North northeast wind 5 to 10 mph becoming southeast in the afternoon.