Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

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Last Map Update: Mon, Aug 24, 2026 at 11:54:28 am CDT

Watches, Warnings & Advisories

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National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Extreme Heat Warning Continues

Near-Record Heat and an Elevated Fire Threat

Heat Continues with Midweek Storm Chances

Help Prevent Wildfires

Extreme Heat Safety

An Extreme Heat Warning is in effect for North and Central Texas through this evening, with high temperatures up to 110° and heat index values from 102° to 112°. Extreme heat is dangerous, especially for those without reliable shelter. Limit outdoor activity during the hottest hours (2 to 7 PM), rest in shade or air conditioning, and drink plenty of water.

Hot and breezy conditions are expected today, featuring south to southwest winds near 15 mph and high temperatures approaching record levels. Consequently, there will be an elevated risk for grass fires. Please stay hydrated and avoid activities that may spark a wildfire.

Expect widespread triple-digit temperatures this week, with the hottest conditions occurring now through Tuesday. By midweek, a weak front and upper-level disturbance will introduce a chance of showers and thunderstorms.

Here are some helpful tips and resources to help prevent wildfires. With the elevated fire threat persisting, make sure to avoid outdoor activities that could ignite grass fires!

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.