Scattered strong to severe storms, excessive rainfall, and flooding are expected across parts of the Mid-Atlantic into the Northeast today. Flood Watches are in effect. Heat will continue to impact the West today. Heat advisories are in effect for portions of the Intermountain West; and Extreme Heat Warnings are in effect for portions of Arizona and southeast California. Read More >
Coverage Map Notes
The coverage statistics and maps are calculated using a computer model and station data assuming ideal conditions. Coverage may be 5 to 10 percent below the computer predicted coverage for the following reasons: