Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

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Last Map Update: Mon, Aug 17, 2026 at 5:02:26 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Extreme Heat Warning

Small Craft Advisory

Weather This Week

Warm & Dry through Wednesday Warming up through midweek with highs in the low to mid 90s for the lower valleys and upper 80s for the Sierra. Typical breezes 25-30 mph, other than stronger winds along Oregon border this afternoon. Less than 5% chance for showers and storms. Cool and Breezy Thursday Onward High pressure pushes east later this week with increased chances for showers & thunderstorms, enhanced breezes and cooler temperatures. Keep an eye on the forecast for late week into the weekend.