Weather forecast for: Allison IA
Last Update: 2:06 pm CDT Sep 17, 2026
This Afternoon: Mostly cloudy, with a high near 71. North northeast wind 5 to 7 mph.
Tonight: A 30 percent chance of showers, mainly after 5am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. East northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 70. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night: Showers and possibly a thunderstorm. Steady temperature around 69. East southeast wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. East wind 7 to 9 mph becoming south in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Sunday: Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 54. Chance of precipitation is 60%.
Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Tuesday: Partly sunny, with a high near 60.
Tuesday Night: Mostly cloudy, with a low around 47.
Wednesday: Mostly sunny, with a high near 64.
WeatherWorld.com
