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 >

Click a location below for detailed forecast.

Last Map Update: Sat, Aug 22, 2026 at 4:04:43 pm MDT

Watches, Warnings & Advisories

National Weather Service Grand Junction, CO

National Weather Service NWS Flagstaff, AZ

Zoom Out

National Weather Service NWS Tucson Arizona

Flash Flood Warning

Extreme Heat Warning

Heat Advisory

Flood Advisory

Hazardous Weather Outlook

Radar

Hazardous Heat Today

Hazardous Heat Sunday

Temp & Precip Outlook

September Precip. Outlook

Hazardous Heat

Scattered, slow-moving showers & storms will favor western and northern New Mexico today.

Near-record high temperatures are forecast in many central and eastern locations this afternoon. A Heat Advisory is in effect from 12 to 8 PM today around Tucumcari and Roswell.

Near-record to record high temperatures are forecast over central and eastern areas again Sunday, while hazardous heat continues around Tucumcari and Roswell.

There will be decreasing coverage of showers and thunderstorms with each day through Monday, then greater coverage Tuesday through Thursday. Near-record and record high temperatures are forecast each day.

There are equal chances of above, below, and near-normal precipitation across most of New Mexico during the month of September. There is a slight lean towards above normal precipitation in western New Mexico.

Heat can escalate quickly. Warm temperatures can quickly become dangerous. Heat is one of the most deadly weather hazards - don't underestimate it. Never leave people or pets alone in a car. Drink plenty of water, even if you don't feel thirsty. Wear loose-fitting, light-colored clothing. Spend time in air conditioning and in the shade.