Nearly half of the continental United States is currently experiencing moderate to exceptional drought, according to the U.S. Drought Monitor.
Storms during this past winter brought heavy (in some areas, record-setting) rainfall and flooding to California, offering the state an expected two-year reprieve from widespread droughts that covered nearly 100% of the state from 2020 to 2022. But in other parts of the country, especially dry conditions continue.
Four states currently have the most widespread drought, covering 100% of their areas. These are South Dakota, New Jersey, Connecticut, and Delaware.
In periods of drought, levels of major reservoirs and rivers can fall dramatically. Groundwater systems are also affected as shrinking water supplies impact agriculture and hydropower generation while increasing wildfire risk. Across New England, ongoing drought has shrunk reservoirs and water supplies in the region.
Periods of drought have intensified and become more frequent in recent years due to climate change. Scientists predict that even in low-emissions scenarios, much of the U.S. will be drier by the end of the century.
Stacker cited data from the U.S. Drought Monitor to identify the counties in Iowa with the worst droughts as of Dec. 17, 2024. Counties are listed in order of percent of the area in drought conditions. "Abnormally dry" is not considered to be a drought but is included as a separate data point. Additional data for the state overall is also included. Any counties not experiencing drought are not included in the list. Counties are listed in order of drought severity.
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Emma Rubin // Stacker
1 / 44Iowa statistics
- Abnormally dry: 18.3%
- Area in drought: 61.1% (#11 nationally)
--- Moderate drought: 59.9%
--- Severe drought: 1.3%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Wright County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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3 / 44Worth County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Winneshiek County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Shelby County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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7 / 44Sac County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Pocahontas County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Joel McCartan // Shutterstock
9 / 44Palo Alto County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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10 / 44Osceola County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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Joel McCartan // Shutterstock
11 / 44O'Brien County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Mitchell County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Lyon County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Joel McCartan // Shutterstock
14 / 44Kossuth County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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15 / 44Ida County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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Humboldt County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
SevenMaps // Shutterstock
17 / 44Howard County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Harrison County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Hancock County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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20 / 44Grundy County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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SevenMaps // Shutterstock
21 / 44Franklin County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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22 / 44Floyd County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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23 / 44Fayette County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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24 / 44Emmet County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Crawford County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
SevenMaps // Shutterstock
27 / 44Clay County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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28 / 44Chickasaw County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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29 / 44Cherokee County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Cerro Gordo County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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31 / 44Cass County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Jacob Boomsma // Shutterstock
32 / 44Carroll County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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33 / 44Calhoun County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
SevenMaps // Shutterstock
34 / 44Butler County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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35 / 44Buena Vista County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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36 / 44Buchanan County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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37 / 44Bremer County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Black Hawk County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
SevenMaps // Shutterstock
39 / 44Benton County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Suzanne Tucker // Shutterstock
40 / 44Audubon County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 100.0%
--- Severe drought: 0.0%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
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Monona County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 94.8%
--- Severe drought: 5.2%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Sioux County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 66.6%
--- Severe drought: 33.4%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Woodbury County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 56.9%
--- Severe drought: 43.1%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
Plymouth County
- Abnormally dry: 0.0%
- Area in drought: 100.0%
--- Moderate drought: 25.5%
--- Severe drought: 74.5%
--- Extreme drought: 0.0%
--- Exceptional drought: 0.0%
This story features data reporting and writing by Emma Rubin and is part of a series utilizing data automation across 49 states.