Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jul 23, 2026 at 6:34:26 am CDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

Heat Advisory

Hazardous Weather Outlook

Heat Advisory Thursday

Not Quite As Hot Today and Friday

Heating Up Again This Weekend into Next Week

Increased Risk of Heat Related Illness This Week

⚠️ A Heat Advisory is now in effect through Thursday evening.⚠️ Temperatures will be touch lower, but still dangerously hot with highs around 100 and heat index values at or above 105. Proper heat safety will be key to preventing heat related illnesses!

A weak front today and an increase in moisture and cloud cover on Friday will keep temperatures a few degrees cooler compared to the past couple of days. It will still be hot, however, with highs in the mid 90s to around 100 along with triple digit heat index values.

Triple-digit heat will return this weekend and persist through at least the first half of next week, following a few days of more seasonable temperatures today and Friday.

Dangerous heat is expected this week, which will increase the risk of heat related illnesses. Make sure you know the signs of heat exhaustion and heat stroke in order to protect yourself and others from the heat.