Weather forecast for: Diagonal IA
Last Update: 1:26 pm CDT Sep 12, 2026
This Afternoon: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a steady temperature around 75. North wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tonight: A 40 percent chance of showers after 3am. Mostly cloudy, with a low around 59. North northeast wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 69. East northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night: A 30 percent chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 58. East wind 8 to 11 mph, with gusts as high as 20 mph. New rainfall amounts between a quarter and half of an inch possible.
Monday: A 50 percent chance of showers and thunderstorms before 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Windy, with an east southeast wind 14 to 23 mph, with gusts as high as 32 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday: Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 90%.
Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. Chance of precipitation is 100%.
Wednesday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 90%.
Wednesday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Friday: A 40 percent chance of showers. Partly sunny, with a high near 73.
WeatherWorld.com
