Weather forecast for: Missouri Valley IA
Last Update: 10:35 am CDT Aug 12, 2026
Today: Mostly sunny, with a high near 89. East northeast wind around 7 mph.
Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 70. East wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers and thunderstorms likely before 9am, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Northeast wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East northeast wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84. East southeast wind 8 to 10 mph, with gusts as high as 16 mph.
Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. East wind 5 to 8 mph becoming south after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Light and variable wind becoming southwest around 5 mph.
Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. North wind 3 to 5 mph.
Sunday: A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79. North wind 5 to 7 mph.
Sunday Night: Mostly cloudy, with a low around 61. North wind around 6 mph becoming calm in the evening.
Monday: Partly sunny, with a high near 78. Calm wind.
Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Light southeast wind.
Tuesday: A slight chance of showers. Partly sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
WeatherWorld.com
