Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

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Last Map Update: Wed, Aug 12, 2026 at 1:28:26 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Red Flag Warning

Flood Advisory

Coastal Flood Advisory

Small Craft Advisory

Flood Watch

Fire Weather Watch

Special Weather Statement

Air Quality Alert

Thunderstorm Outlook Today

Flood Watch Expanded for Thursday

Fire Weather Watch Thu

Thunderstorms will expand north across western Nevada and the eastern Sierra today, reaching the Interstate 80 corridor. Storms are most likely from midday through this evening. Slow-moving storms may produce localized heavy rain and flash flooding, especially near active fires, steep terrain, and poorly drained areas. Lightning may start new fires, while small hail, blowing dust, and outflow gusts of 40–50 mph are possible, with an isolated gust near 55 mph along US-95. Have multiple ways to receive weather warnings and never drive through flooded roads.

A Flash Flood Watch is in effect Wednesday afternoon through Thursday evening for Mono, Mineral, and southern Lyon counties and the Greater Reno–Carson City–Minden area, including the Bug and Stallion fires. The watch has been expanded to include Pershing and Churchill counties and the Pyramid Lake area from 1–9 PM Thursday. Afternoon and evening thunderstorms may produce heavy rain and flash flooding. Primary concerns include flooded roads and debris flows near and downstream of recent burn areas and steep terrain.

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Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

NWS Forecast Office Reno, NV