Weather forecast for: Plain WI
Last Update: 9:13 am CDT Sep 4, 2026
Today: Showers and thunderstorms, mainly before 11am. High near 88. Heat index values as high as 98. North wind 5 to 10 mph becoming southwest in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Scattered showers and thunderstorms, mainly before 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the morning.
Saturday Night: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Sunday: Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night: Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm.
Labor Day: Partly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the morning.
Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph.
Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 84.
Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday: Partly sunny, with a high near 85.
Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday: Mostly sunny, with a high near 79.
WeatherWorld.com
