Severe Thunderstorms Tonight in the Mid-Atlantic; Tropical Storm Bertha in the Gulf

Scattered thunderstorms with severe gusts, hail and a tornado risk are possible near a cold front from the Ohio Valley to the Mid-Atlantic tonight. Tropical Storm Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the panhandle of Florida into Louisiana through Wednesday. Read More >

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Last Map Update: Tue, Jul 21, 2026 at 8:34:39 pm PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

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Thunderstorm Outlook Today

Excessive Rainfall Outlook Wednesday

Thunderstorm Outlook Wednesday

A Flash Flood Watch is in effect for most of Northern and Central Nevada from 11 AM PDT this morning until 11 PM PDT this evening. Excessive rainfall may cause flash flooding on recent burn scars. Heavy rainfall could result in minor flooding of streams, creeks, and low-lying areas. Never drive through water of unknown depth.

There is a slight risk of excessive rainfall in most of Eastern Nevada from 11 AM PDT this morning until 11 PM PDT this evening. Heavy rainfall may result in flooding of recent burn scars, streams, creeks, and low-lying areas. Ditches could become clogged with debris. A Flash Flood Watch is in effect for most of Northern and Central Nevada.

Scattered thunderstorms are expected throughout Northern and Central Nevada from 11 AM PDT this morning until 11 PM PDT this evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be localized flooding, small hail, wind gusts near 50 mph, and dangerous cloud to ground lightning strikes.

Monsoonal moisture will remain in place over most of Northern and Central Nevada Wednesday, resulting in scattered thunderstorms. Rainfall could be heavy at times. Heavy rainfall may result in flooding of recent burn scars, streams, creeks, and low-lying areas.

Scattered thunderstorms are expected throughout Northern and Central Nevada from 12 PM PDT Wednesday afternoon until 10 PM PDT Wednesday evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be localized flooding, small hail, wind gusts near 45 mph, and dangerous cloud to ground lightning strikes.