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Extreme Heat Watch
ActiveHarrison; Shelby; Pottawattamie; Mills; Montgomery
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* WHAT...For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 112 possible.
* WHERE...In Iowa, Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie, and Shelby Counties. In Nebraska, Douglas and Sarpy Counties.
* WHEN...For the Heat Advisory, from noon Saturday to noon CDT Sunday. For the Extreme Heat Watch, from Sunday afternoon through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Data from the National Weather Service
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