Iowa Weather
Observed at Des Moines (the largest city by population in Iowa, used as a state-wide proxy). For per-city forecasts, see the city grid below.
Climate at a glance
Iowa covers two distinct climate zones across 1,024 cities and towns. Predominantly warm-summer humid continental (87% of cities), with humid subtropical pockets (13%).
The state spans roughly 3.1° of latitude (40.4° N to 43.5° N), from Keokuk in the south to New Albin in the north. Des Moines is the largest city by population.
| Zone | Cities | % |
|---|---|---|
| warm-summer humid continental | 895 | 87.4% |
| humid subtropical | 129 | 12.6% |
Microseason · September 21–25 · Plains Continental
Thunder stills across the plains
Afternoon thunderstorm season wanes. Winds shift to more northerly flow. The landscape cools and dries. Monarch migration continues in waves through the region.
Read this microseason across nine climate regions → · See all 72 microseasons
Microseason content for Iowa is drawn from the Plains Continental corpus (87% of the state's cities sit in this region).
Live wind & temperature across Iowa
Cities in Iowa
| City | July normal | Population |
|---|---|---|
| Des Moines | 77°F | 570,091 |
| Davenport | 76°F | 281,044 |
| Cedar Rapids | 73°F | 195,323 |
| Iowa City | 76°F | 133,565 |
| Epworth | 73°F | 1,894 |
Our dataset lists 1,024 places in Iowa; the 5 above have a page. For a smaller town, the nearest city above is the closest match.