Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

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Last Map Update: Sat, Aug 22, 2026 at 12:38:34 pm PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Extreme Heat Warning

Red Flag Warning

Flood Advisory

Lake Wind Advisory

Special Weather Statement

Thunderstorm Outlook Today

Thunderstorm Outlook Sunday

Excessive Rainfall Outlook Today

Excessive Rainfall Outlook Sunday

7-Day High & Low Temperature Forecast

Isolated to scattered thunderstorms are expected in most of Northern and Central Nevada from 12 PM PDT this afternoon until 8 PM PDT this evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be locally heavy rainfall, wind gusts near 55 mph, and dangerous cloud to ground lightning strikes.

Scattered thunderstorms are expected across most of northern and central Nevada tomorrow from 12 PM PDT Sunday afternoon until 8 PM PDT Sunday evening. The strongest thunderstorms could produce damaging wind gusts of 60 to 70 mph. These damaging wind gusts may blow down tree branches and power lines. Power outages are possible.

Subtropical moisture will remain in most of Northern and Central Nevada today, resulting in isolated to scattered showers and thunderstorms. Rainfall could be heavy at times. Heavy rainfall may result in flooding of recent burn scars, streams, creeks, and low-lying areas.

Showers and thunderstorms are expected across portions of Northern and Central Nevada Sunday, resulting in brief moderate to heavy rainfall. Rainfall could be heavy at times and may result in flooding of recent burn scars, streams, creeks, and low-lying areas.

Temperatures across northern and central Nevada through the next 7 days will be at or just above normals for this time of year. Look for highs in the 80s and 90s through the period with overnight lows in the 50s.