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Flooded road, Colfax, 2010 Wind turbine "Changing the climate is likely to increase the frequency of floods in Iowa. Over the last half century, average annual precipitation in most of the Midwest has increased by 5 to 10 percent.
Iowa has a humid continental climate throughout the state (Köppen climate classification Dfa) with extremes of both heat and cold. The average annual temperature at Des Moines is 50 °F (10 °C); for some locations in the north, such as Mason City, the figure is about 45 °F (7 °C), while Keokuk, on the Mississippi River, averages 52 °F (11 ...
This page was last edited on 11 March 2009, at 20:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Get the Iowa City, IA local weather forecast by the hour and the next 10 days. ... Much of the United States will see temperatures plummet 20 to 40 degrees below average when a major Arctic ...
Iowa annual rainfall in inches. As in most of the U.S., surface water in Iowa is not safe to drink untreated, contamination by agricultural runoff including nitrates, herbicides, pesticides, and animal waste being common. Municipal water supplies are typically heavily chlorinated, this chlorine, combined with high nitrate levels, often give ...
The January 2025 North American cold wave was an extreme weather event that brought extremely cold temperatures to a majority of the Lower 48 of the continental United States, as well as the countries of Canada and Mexico as well throughout most of January 2025.
Climate Centra A preliminary look at temperature data shows that the U.S. is likely to have experienced its coldest January average mean temperature since at least 2011, with records going back to ...
Dangerous weather is back in Iowa and the Des Moines metro. Here's what to expect: Polk County winter weather advisory. Polk County Emergency Management released a winter weather advisory that ...