National Weather Service United States Department of Commerce

Southwest Monsoon Flooding

Monsoonal conditions in the Southwest will lead to threats of flash flooding through the weekend. Severe thunderstorms will be possible through Friday night in the northern tier of the country and Saturday afternoon in the vicinity of the Southern Great Lakes. Warm conditions have prompted Heat Advisories for portions of the Midwest and ArkLaMiss this weekend. Read More >


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This "Day in Weather History" contains some memorable weather events and trivia from 1864 onwards for much of Northeast Colorado. Many sources were used to research and compile the data.