(Update 5:10-a.m./NWS-Des Moines)

Today: Scattered showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 78. Southeast wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: Scattered showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 63. Northwest wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday: Mostly sunny, with a high near 79. North northwest wind 8 to 15 mph, with gusts as high as 22 mph.
Monday Night: Mostly clear, with a low around 52. North northwest wind 6 to 11 mph.

Tuesday: Sunny, with a high near 77. North wind 7 to 9 mph.
Tuesday Night: Mostly clear, with a low around 55.

Wednesday: Sunny, with a high near 80.