Weather forecast for: Union IA
Last Update: 6:31 am CST Nov 2, 2026
Today: Showers likely, then showers and possibly a thunderstorm after noon. High near 67. Windy, with a south southeast wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 59. Breezy, with a south wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday: Showers and thunderstorms likely. Cloudy, then gradually becoming mostly sunny, with a high near 69. South wind 11 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 46. West southwest wind 6 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 56. West southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Wednesday Night: Mostly cloudy, with a low around 43.
Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 56.
Thursday Night: Mostly cloudy, with a low around 39.
Friday: Partly sunny, with a high near 55.
Friday Night: Partly cloudy, with a low around 37.
Saturday: Partly sunny, with a high near 59.
Saturday Night: Mostly cloudy, with a low around 39.
Sunday: Mostly sunny, with a high near 57.