At least a dozen states from California to West Virginia are at risk of flooding on Thursday, while dangerous heat for the central US and along the Atlantic coast from the Southeast to the Northeast, and the weekend forecast.
Flood risk for at least 18 states
Thunderstorms from coast-to-coast will bring heavy rain and the risk of flash flooding on Thursday, impacting at least 18 states. Much of the eastern half of the nation will be blanketed by thunderstorms.
In the West, potential flash floods over California, Nevada, Utah, Arizona, Colorado, and New Mexico. Along the Gulf, potential flash flooding over Southeastern Louisiana and Southern Mississippi. In the nation’s midsection and stretching to the mid-Atlantic, heavy rain with potential flash flooding over Arkansas, Missouri, Tennessee, Kentucky, Illinois, Indiana, Ohio, West Virginia, Virginia, and Pennsylvania, according to the National Weather Service (NWS) forecast.
NWS flood alerts:
Here are the latest alerts (by degree of urgency) of warnings, advisories, and watches for potential flooding events.
Flash flood warning: east-central Missouri; west-central Illinois; north-central Arkansas; central Arizona, California deserts.
Flood advisory: southwestern and southeastern Missouri; Northeastern Arkansas; southeastern Illinois; West-central Indiana; southeastern and south-central Arizona.
Flood watch: southeastern, southwestern, and eastern California; western, southwestern, southern central, northern and northeastern Nevada; northern, central, and southeastern New Mexico; eastern Missouri; west-central and southwestern Illinois; southern Ohio; West Virginia; western Virginia; eastern Kentucky.
Dangerous heat from central US to Northeast
Temperatures will ratchet up in the Midwest, and particularly along the East Coast into parts of the mid-Atlantic and Northeast, where the upper 90s are expected with heat indexes exceeding 100 degrees. Parts of the mid-Atlantic and Northeast are expected to be at near-record heat on Thursday, Patch reported.
NWS heat alerts
The National Weather Service (NWS) issued the following heat-related alerts for Thursday:
Excessive heat warning: southeastern Wyoming and western Nebraska.
Heat advisory for portions of: Montana, Wyoming, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Louisiana, Arkansas, North Carolina, Kentucky, Virginia, Maryland, Delaware, Pennsylvania, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire, and Maine.
The weekend forecast: Multi-day flash flood risk across the US
Over the next three days, thunderstorms will span from west to east bringing heavy rain with the potential of flash flooding to multiple states across the nation. Currently, there is no severe weather in the weekend forecast. Here is the latest weekend forecast from the National Weather Service (NWS).
Friday: Scattered thunderstorms, multi-state flood risk
Scattered thunderstorms will impact most of the West, the upper Midwest, and large portions of the South, mid-South, Southeast, and most of the Ohio Valley, mid-Atlantic, and Northeast.
Heavy rain with potential flooding for portions of California, Nevada, Idaho, Utah, Wyoming, Colorado, and Arizona in the West. In the East, heavy rain and potential flash flooding over portions of Tennessee, North Carolina, Kentucky, West Virginia, Virginia, Indiana, Ohio, Pennsylvania, Maryland, Delaware, and New Jersey.
Saturday: Thunderstorms, potential flash flooding over multiple states
Scattered thunderstorms over portions of the West, Northwest, Southwest, upper Midwest, along the Gulf, into parts of the South, mid-South, and Ohio Valley, and over most of the mid-Atlantic and Northeast.
Heavy rain will bring the potential of flash flooding stretching from the Southwest to the upper Midwest, threatening portions of Arizona, New Mexico, Colorado, South Dakota, Iowa, Minnesota, Wisconsin, and northern Michigan.
Sunday: Heavy rain, with continued flooding risk
Scattered thunderstorms will continue across the US into Monday, with the heaviest rain with the potential of flash flooding across the Southwest, upper Midwest and in the mid-South, and along the Appalachians, as well as heavy along the Gulf from southeastern Texas to Florida. Flooding chances will be the highest over portions of Arizona, New Mexico and Colorado, as well as along the Gulf, particularly over southern Louisiana.
