Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in 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. 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. Read More >

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Last Map Update: Sat, Jul 18, 2026 at 5:48:16 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Flood Advisory

Special Weather Statement

Air Quality Alert

Next 48 Hours

Weekly Weather Planner

Planning for the rest of the weekend? Look no further! Similar forecast today and tomorrow with light rain showers overnight/early morning with afternoon thunderstorm chances. Confidence in storm coverage and specific timing Sunday remains low as of now.