Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

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Last Map Update: Thu, Aug 27, 2026 at 3:42:38 pm 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

Severe Thunderstorm Warning

Heat Advisory

Special Weather Statement

Air Quality Alert

Hazardous Weather Outlook

Isolated Showers and Storms Today

Heat Advisory for Most Areas Today

Final Weekend in August: Rain-Free & Hot

Historic Wildfire Comparison to the Ross Fire

Isolated showers and thunderstorms are possible today, mainly in western North TX and in Central TX. Otherwise, it will be hot with highs up to 102 degrees and heat indices up to 109 degrees. The fire threat will be lower than earlier this week, but continue to take caution to avoid sparking wildfires. Smoke from ongoing fires will reduce visibility in some areas.

A Heat Advisory is in effect through 8 pm this evening, with afternoon high temperatures ranging from 98-102 degrees and heat indices up to 109 degrees. Stay cool, drink plenty of water, and remember to Look Before You Lock!

While not as hot as we've seen over the past few weeks, temperatures remain above average. Average highs this time of year range from 93F in Sherman/Denison to 95F in Waco. Sunny-mostly sunny skies are expected this weekend with highs in the upper 90s to around 100 degrees.

Update 8/27, 2:15PM: The Ross Fire is now at 85,000 acres burned with 21% containment. How does the Ross Fire compare to other wildfires? Ranking the largest historic wildfires in the NWS Fort Worth County Warning Area, the Ross Fire (still ongoing) currently ranks second, at 85,000 acres in size. The largest wildfire in WFO Fort Worth's history is the Possum Kingdom (PK) Complex at 126,734 acres. The other largest wildfires are from 2022 and 2006, with the Ross Fire the only top-ranking fire to occur in August. Please note: Historical fires are ranked by final reported acreage. The Ross Fire is ongoing; its acreage is preliminary and thus ranking is not final.