Austin

Austin Braces for Scorching Week with Heat Index Topping 107, Mild Rain Chances Ahead

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Published on May 16, 2025
Austin Braces for Scorching Week with Heat Index Topping 107, Mild Rain Chances AheadSource: Sahmeditor, CC BY-SA 3.0, via Wikimedia Commons

The city of Austin can expect a mix of scorching heat and mild chances of rain over the next several days, according to the latest weather forecast. The National Weather Service projects "mostly sunny and hot" conditions this afternoon with temperatures climbing near 99 degrees and the heat index reaching potentially as high as 107. Wind will blow from the south at around 10 mph, occasionally gusting up to 20 mph. As the sun sets, locals can anticipate a nightly cool down, with the weather slightly turning to "mostly cloudy," with lows resting around 77 degrees and a soothing south southeast wind traveling around 5 mph.

Looking forward to the weekend, there is a slim 20 percent chance of showers and thunderstorms after 4 pm on Saturday. Even as clouds gather, the forecast suggests the sky will eventually clear up, allowing sunshine to push temperatures near 97 degrees. The heat index is again expected to soar up to 105 degrees, reminding residents to keep themselves hydrated and to take necessary precautions to stay cool. South winds are to continue at a pace of 5 to 10 mph, with gusts as much as 20 mph.

Sunday's forecast reveals a partly sunny day with a high near 98 degrees and south winds persisting at 5 to 10 mph, gusting up to 25 mph. Nighttime brings more than just stars, as clouds will likely cover the sky and temperatures modestly drop to a low around 76, alongside a more robust south southeast wind of 10 to 15 mph, gusts flaring as high as 25 mph.

Commencing the week, Monday offers partial sun with high temperatures reaching near 98 degrees. Winds from the south could reach 5 to 15 mph, with gusts potentially reaching 25 mph. By nightfall, the possibility of showers and thunderstorms slightly increases, but remains capped at a 20 percent chance. The skies will be "partly cloudy," with lows staying steady around 76 degrees, and south southeast winds are expected to gently blow at 5 to 10 mph, with occasional gusts up to 25 mph.

The outlook for Tuesday includes a continued 20 percent chance of showers and thunderstorms amid a "mostly sunny" backdrop. Highs are forecasted to be near 94 degrees with south winds shifting northwest in the afternoon. The trend towards cooler evenings persists, with Tuesday night anticipated to be "mostly clear" with a low around 67 degrees, as stated by the National Weather Service.

A brief respite from the heat emerges midweek, with Wednesday slated for "sunny" skies and a high near 91 degrees. When darkness settles, the forecast suggests "partly cloudy" conditions with a low of about 63 degrees. The week rounds off on Thursday with "sunny" weather and a comfortable high near 90 degrees, to the probable relief of many Austin residents and visitors alike.

Austin-Weather & Environment