51442 Weather (Denison, IA)

Weather forecast for: Denison IA

Last Update: 4:56 pm CST Nov 2, 2026

Tonight: Showers and thunderstorms likely, then showers after 3am. Low around 54. South wind 8 to 13 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: Showers and possibly a thunderstorm before 2pm, then showers likely. Temperature rising to near 56 by 10am, then falling to around 51 during the remainder of the day. Northwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night: Showers likely, mainly between 2am and 4am. Cloudy, with a low around 40. West northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 50. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 37. West wind 6 to 9 mph.

Thursday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 52.

Thursday Night: Mostly cloudy, with a low around 34.

Friday: Partly sunny, with a high near 51.

Friday Night: Mostly cloudy, with a low around 32.

Saturday: Mostly sunny, with a high near 54.

Saturday Night: Partly cloudy, with a low around 35.

Sunday: Mostly sunny, with a high near 56.

Sunday Night: Partly cloudy, with a low around 36.

Monday: Sunny, with a high near 60.