Extreme Heat in the Northeast and Southwest, Flood Threat in Central US


Extreme heat to parts of the West, Southwest, and the Northeast today, while scattered thunderstorms across the nation will bring the threat of flooding to parts of the Rockies, central US, Texas, and the South.

Today’s weather overview

Hot with widespread thunderstorms across the nation is the big picture weather view today.

Northeast: Some of the hottest temperatures of the year, especially along the East Coast, amid thunderstorms.

Mid-Atlantic: Scattered storms.

Southeast: Hot and humid.

South & Mid-South: Scattered storms with the threat of flash flooding.

Ohio Valley: Mostly sunny to partly cloudy and warm.

Central US: Strong thunderstorms, heavy rain with the potential of flash flooding.

Northwest & Northern Rockies: A heat wave and scattered storms over portions of the lower Rockies, potential flooding over portions of Montana and Wyoming.

West: Scattered storms over Colorado and northern New Mexico, the coastal areas will be partly cloudy, with extreme heat in southern areas.

Southwest: Extreme heat with excessive heat warnings in many areas.

Flood warnings and watches

The National Weather Service (NWS) is warning of heavy rain that could bring potential flash flooding over portions of south-central Montana and northern Wyoming to the west, while in the central US, a large area of potential flooding over central and eastern Oklahoma, into northeastern Texas north of Dallas.

The National Weather Service has issued flood warnings, flood watches and flash flood watches for the following areas.

Flood warning: central Oklahoma; southeastern Kansas; northern and northeastern South Dakota; southern Texas.

Flood and Flash flood watch: Southern Texas; southeastern Louisiana; coastal areas of southern Mississippi; central and eastern Oklahoma; northwestern Arkansas; western South Dakota; northeastern Wyoming.

Heat advisories and warnings

The National Weather Service (NWS) has issued heat advisories and warnings for the following locations:

Excessive heat warning

Southwest: southeastern California and deserts; northern, northwestern, central, southern and southeastern Arizona; southern Nevada.

Heat advisory

Northwest: Eastern and southeastern Washington; northern Idaho; Northeast Oregon.

Northeast: Southern Maine; southern New Hampshire; eastern and southern Massachusetts; Rhode Island; Connecticut; New York City and surrounding areas, eastern New York; New Jersey; Delaware; southeastern Pennsylvania; Washington, D.C.; Delaware; central Maryland;

Southeast: Northern Virginia; eastern West Virginia; Northeastern, central, eastern and southeastern North Carolina; northeastern South Carolina.

Today’s US weather: July 28, 2020

West: San Francisco 65, partly cloudy; Los Angeles 81, partly cloudy; Reno 94, sunny; Las Vegas 109, sunny; Salt Lake City 89, partly cloudy; Denver 85, thunderstorms.

Northwest & Northern Rockies: Seattle 81, sunny; Medford 101, mostly sunny; Boise 93, partly cloudy; Cut Bank 91, partly cloudy; Billings 94, thunderstorms; Minot 85, sunny; Rapid City 90, partly cloudy.

Southwest: Phoenix 113, sunny; Albuquerque 87, thunderstorms; El Paso 98, sunny; San Antonio 96, thunderstorms; Brownsville 88, thunderstorms.

Central & Upper Midwest: Lubbock 96, partly cloudy; Dallas 87, thunderstorms; Oklahoma City 79, thunderstorms Kansas City 89, partly cloudy; Minneapolis 85, partly cloudy.

Ohio Valley: Chicago 88, mostly sunny; St. Louis 90, partly cloudy; Detroit 87, sunny; Cincinnati 89, partly cloudy.

South: Houston 88, thunderstorms; New Orleans 83, thunderstorms; Memphis 92, partly cloudy; Atlanta 90, thunderstorms; Charlotte 96, thunderstorms; Jacksonville 91, thunderstorms; Tampa 91, thunderstorms; Miami 88, partly cloudy.

East: Norfolk 98, mostly sunny; Washington, D.C. 94, thunderstorms; Buffalo 80, sunny; New York City 94, thunderstorms; Boston 93, thunderstorms; Caribou 84, thunderstorms.