National Weather Service United States Department of Commerce

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

An isolated severe storm or two may develop on Saturday, although the most likely outcome is widely scattered showers and storms. Main concerns are lightning, but cannot rule out an isolated larger storm with hail and damaging winds.
Multiple rounds of storms are expected Sunday into Monday, which each round's impacts and timing dependent on the previous round. The main hazards with these storms will be damaging winds and large hail. Keep up to date with the forecast!
Increasing temperatures and humidity will bring heat index values in the 90-100 degree range Sunday through Tuesday, with the hottest days being Sunday and Monday. Heat Advisories may be needed.