Skip to content

U.S. Weather Update 9.4.26

| September 4, 2026 | By

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight.

Flash Flood Watch included but not limited to: Idaho, Oregon

Flash Flood Warning included but not limited to: Wisconsin

Flood Advisory included but not limited to: Ohio, Wisconsin

Coastal Flood Advisory included but not limited to: California

Flood Warning included but not limited to: Texas

Dense Fog Warning included but not limited to: Montana, Wisconsin, Maine, New Hampshire, Ohio, Pennsylvania

High Wind Warning included but not limited to: California, Nevada, Texas, Hawaii, Michigan, Hawaii, Arizona

Frost Warning included but not limited to: California

 

For more information, please visit