Rounds of Storms to Bring Multi-Day Severe Weather and Flooding Risk

Thunderstorms in the West and eastern US will bring multiple days of potential severe weather to the east, as well as a flooding risk to the Ohio Valley and Southwest, while temperatures soar. The 3-day forecast.

NWS weather alerts

The National Weather Service (NWS) issued weather alerts for the following areas on Tuesday:

Flash flood warning: central and east-central Illinois; central Mississippi.

Flood warning: southwestern West Virginia.

Flood advisory: southeastern Illinois; southwestern Indiana; northwestern Kentucky; eastern Kentucky;

Excessive heat warning: southeastern Minnesota

Heat advisory for portions of: central and eastern North Dakota; central and eastern Nebraska; central and eastern Kansas; central, northern and eastern Oklahoma; southern Minnesota; Iowa, Missouri; west-central, central and eastern Arkansas; northeastern Mississippi; southwestern Tennessee; western and southern Illinois; southeastern Texas

Red flag alert: central and southeastern Washington; north-central and southwestern Oregon; northern California; Montana; northwestern South Dakota; northern and western Nebraska.

The 3-day forecast: Heat, severe weather and flooding risk

An increase of heat throughout the week, as temperatures will soar in the central US on Tuesday, extending to the East throughout the week, bringing a 100+ heat index to the Northeast by Thursday.

Multiple rounds of thunderstorms will bring the risk of severe weather to parts of the upper Midwest, Ohio Valley and Mid-South this week, while heavy rain will bring the threat of flash flooding to parts of the Southwest and eastern US.

Here is the latest 3-day forecast from the National Weather Service (NWS).

Tuesday: Scattered thunderstorms, severe weather and flooding risk

Scattered thunderstorms over parts of the West, upper Midwest, South, Southeast and Northeast. Heavy rain with the potential of flash flooding over portions of Illinois, Indiana, Ohio, West Virginia, Tennessee, and Kentucky, where already hard-hit flooded areas in the eastern part of the state could see another round of threatening rainfall.

Level 2 severe weather risk in the upper Midwest over northeastern North Dakota, northern and northeastern Minnesota; northern and north-central Wisconsin; and western northern Michigan.

Wednesday: Scattered thunderstorms, severe weather, flooding risk, red flag alerts

Scattered thunderstorms over parts of the West, upper Midwest, Ohio Valley and South.

Level 2 severe weather risk over southwestern, central and eastern Michigan.

Heavy rain with potential flash flooding over portions of Missouri, Kentucky, Illinois, Indiana and Michigan, as well as in the Gulf over southeastern Louisiana.

Critical fire weather possible over central and eastern Montana and other parts of the Northwest.

Thursday: Western and Eastern thunderstorms bring potential flash flooding

Thunderstorms over a significant portion of the West and Southwest will bring potential flash flooding over much of Arizona and New Mexico, and into south-central Colorado.

In the East, thunderstorms over much of the South, mid-South, Southeast, Ohio Valley, mid-Atlantic and Northwest, will bring heavy rain with the potential for flash flooding over portions of Missouri, Kentucky, Illinois, Indiana, Ohio, Pennsylvania and New York.

No severe weather is currently in the forecast for Thursday.