National Weather Service(@NWS):Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Check https://t.co/u1UB5MsD2V for your local air quality forecast.

National Weather Service

@NWS

Official X account for @NOAA's National Weather Service. A list of official NWS accounts can be found at

가입 January 2012

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National Weather Service@NWS

2026.07.18 13:00

Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Check for your local air quality forecast.