Extreme Heat in the West, Flood Warnings for Central US

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Hot conditions have prompted heat warnings for parts of the Northwest and Southwest, while widespread thunderstorms will bring heavy rain and the risk of flooding across at least 7 states in the central US on Wednesday.

Many parts of the Northeast will also see the 4th consecutive day of a heat wave send temperatures into the 90s.

Thunderstorms will span across the much of the US on Wednesday, stretching from the Northwest, into the central US, extending to parts of the Ohio Valley, blanketing throughout the South and over portions of the Northeast.

Extreme heat in the western US

Hot conditions in the West today will span from the North to the South, and has prompted the National Weather Service (NWS) to issue heat advisories and warnings for at least 7 states on Wednesday.

Excessive heat warnings: eastern southeastern Washington; northern and southwestern Idaho; Northeast Eastern Oregon; southern Nevada; southeastern and southwestern California and deserts; northwestern, central, southern, southwestern and southeastern Arizona

Heat advisory: central, eastern and southeastern Washington; northern, central and southeastern Idaho; western Montana; central and northeastern Oregon; southwestern California and deserts; southern Nevada; central Arizona.

Flood risk for Central US & Texas

Heavy rain in the nation’s midsection has prompted the National Weather Service (NWS) to issue flooding and flash flooding warnings for at least 8 states in the central US on Wednesday: eastern Wyoming; southeastern and south-central South Dakota; northwestern, north-central, south-central and southeastern Nebraska; the eastern half of Kansas; the eastern half of Oklahoma; northwestern, central and southern Missouri; northern, central and western Arkansas.

The National Weather Service has also issued three warnings for southern Texas including a flood and flash flood watch, as well as a flood warning.

Tropical Storm Isaias 90% chance to form in Atlantic, tracking toward Florida by weekend

Currently designated as Tropical Cyclone Nine, forecasters from the National Hurricane Center are giving a 90 percent chance that, within the next 48 hours, the system is likely to become Tropical Storm Isaias. As of Wednesday morning, it was headed towards Puerto Rico and expected to reach the area by Thursday. It’s currently on track to potentially reach Florida by Sunday.

US weather forecast: July 29, 2020

West: San Francisco 64, partly cloudy; Los Angeles 84, partly cloudy; San Diego 76, partly cloudy; Reno 95, sunny; Las Vegas 112, sunny; Salt Lake City 94, sunny; Denver 91, mostly sunny.

Northwest & Northern Rockies: Seattle 84, sunny; Medford 102, partly cloudy; Boise 95, sunny; Cut Bank 92, sunny; Billings 92, rain; Minot 87, partly cloudy; Rapid City 79, thunderstorms; Cheyenne 79, partly cloudy.

Southwest: Phoenix 113, sunny; Tucson 107, sunny; Albuquerque 95, sunny; El Paso 102, sunny; San Antonio 97, partly cloudy; Brownsville 88, thunderstorms.

Central & Upper Midwest: Lubbock 99, partly cloudy; Dallas 95, partly cloudy; Oklahoma City 87, thunderstorms; Kansas City 84, thunderstorms; Minneapolis 85, mostly sunny; Madison 85, mostly sunny.

Ohio Valley: Chicago 85, thunderstorms; St. Louis 90, thunderstorms; Detroit 83, thunderstorms; Cincinnati 92, sunny; Indianapolis 89, sunny.

South: Houston 89, thunderstorms; New Orleans 88, thunderstorms; Memphis 91, thunderstorms; Birmingham 85, thunderstorms; Atlanta 84, thunderstorms; Charlotte 90, thunderstorms; Jacksonville 87, thunderstorms; Tampa 91, partly cloudy; Miami 88, partly cloudy.

East: Norfolk 92, thunderstorms; Washington, D.C. 95, partly cloudy; Philadelphia 93, sunny; Buffalo 78, thunderstorms; New York City 90, partly cloudy; Boston 90, partly cloudy; Caribou 84, partly cloudy.