National Weather Service United States Department of Commerce

Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies; Severe Weather in the Central US

Extremely dangerous heat will persist from the Midwest to the East Coast into late this week. Monsoonal moisture may produce excessive rain and considerable flash flooding and debris flows, especially near recent burn scar areas in New Mexico and west Texas. Severe storms are possible this evening from the southern/central Plains into the Great Lakes, and the northern/central Plains Tuesday. Read More >

Explanation of Color Codes used in the tables.
Green indicates little to no impact to aviation operations, such as VFR Conditions
Blue indicates operations may be impacted, such as during MVFR conditions.
Red indicates a major impact, such as IFR conditions.
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The following table shows the thresholds for each.

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