Iowa month by month
The next 12 months outside in Iowa: what the weather usually does in Des Moines, Cedar Rapids and Sioux, and what's already on the calendar. Races and programs further out are still being posted, so the later months fill in over time.
October 2026
33 events listed
- Des Moines
- 63° / 43°
- Rain or snow 1 day in 4
- Cedar Rapids
- 62° / 40°
- Rain or snow 1 day in 3
- Sioux
- 64° / 37°
- Typical high / low
November 2026
33 events listed
- Des Moines
- 48° / 30°
- Rain or snow 1 day in 4
- Cedar Rapids
- 46° / 28°
- Rain or snow 1 day in 4
- Sioux
- 47° / 24°
- Typical high / low
December 2026
6 events listed
- Des Moines
- 36° / 19°
- Rain or snow 1 day in 4
- Cedar Rapids
- 33° / 17°
- Rain or snow 1 day in 4
- Sioux
- 34° / 14°
- Typical high / low
January 2027
5 events listed
- Des Moines
- 31° / 14°
- Rain or snow 1 day in 4
- Cedar Rapids
- 28° / 11°
- Rain or snow 1 day in 4
- Sioux
- 30° / 9°
- Typical high / low
February 2027
5 events listed
- Des Moines
- 36° / 18°
- Rain or snow 1 day in 3
- Cedar Rapids
- 33° / 16°
- Rain or snow 1 day in 4
- Sioux
- 35° / 13°
- Typical high / low
March 2027
4 events listed
- Des Moines
- 49° / 30°
- Rain or snow 1 day in 3
- Cedar Rapids
- 46° / 27°
- Rain or snow 1 day in 3
- Sioux
- 47° / 24°
- Typical high / low
- Des Moines St. Paddy's Half Marathon, 5K & Marathon Run/WalkSat, Mar 13 · 7:45 AM · half marathon, marathon, 5K · Des Moines
- Time to Paddy 5K/10K & Lucky 13.1 - Des MoinesSun, Mar 14 · 9:00 AM · half marathon, 5K, 10K · TBD, Des Moines
Listings for March are still coming in. Check back closer to the date.
April 2027
4 events listed
- Des Moines
- 62° / 41°
- Rain or snow 1 day in 3
- Cedar Rapids
- 60° / 38°
- Rain or snow 1 day in 3
- Sioux
- 61° / 35°
- Typical high / low
Listings for April are still coming in. Check back closer to the date.
May 2027
Nothing listed yet
- Des Moines
- 72° / 52°
- Rain or snow 1 day in 3
- Cedar Rapids
- 71° / 50°
- Rain or snow 1 day in 2
- Sioux
- 72° / 47°
- Typical high / low
Listings for May are still coming in. Check back closer to the date.
June 2027
Nothing listed yet
- Des Moines
- 82° / 62°
- Rain or snow 1 day in 3
- Cedar Rapids
- 80° / 60°
- Rain or snow 1 day in 3
- Sioux
- 82° / 58°
- Typical high / low
Listings for June are still coming in. Check back closer to the date.
July 2027
Nothing listed yet
- Des Moines
- 86° / 66°
- Rain or snow 1 day in 3
- Cedar Rapids
- 83° / 63°
- Rain or snow 1 day in 3
- Sioux
- 86° / 63°
- Typical high / low
Listings for July are still coming in. Check back closer to the date.
August 2027
Nothing listed yet
- Des Moines
- 84° / 64°
- Rain or snow 1 day in 3
- Cedar Rapids
- 81° / 60°
- Rain or snow 1 day in 3
- Sioux
- 83° / 61°
- Typical high / low
Listings for August are still coming in. Check back closer to the date.
September 2027
Nothing listed yet
- Des Moines
- 77° / 55°
- Rain or snow 1 day in 4
- Cedar Rapids
- 75° / 52°
- Rain or snow 1 day in 3
- Sioux
- 77° / 51°
- Typical high / low
Listings for September are still coming in. Check back closer to the date.
Typical weather is the NOAA 1991–2020 average at the nearest weather station to each city.
