Houston

Houston Swelters Under Brutal Heat Advisory As Pop-Up Storms Loom

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Published on June 20, 2026
Houston Swelters Under Brutal Heat Advisory As Pop-Up Storms LoomSource: Google Street View

Houston is already sweating it out this Saturday morning, June 20, 2026, with temperatures near 81°F and dew points in the upper 70s that make the air feel downright suffocating. Skies are mostly clear for now, but the thick humidity will help fire up storms later in the day. If you have outdoor plans, be ready for sudden downpours and make sure you have water and shade close by.

What To Expect Today

Scattered showers and thunderstorms are possible early, with storms becoming more widespread this afternoon and evening. The high should reach around 89°F, but it will feel closer to 108°F once you factor in the heat index. Most spots will see about a tenth to a quarter inch of rain, although a few neighborhoods could get hit with heavier downpours and frequent lightning.

A Heat Advisory is in effect for the greater Houston area through 10 PM CDT, and officials are also warning of a high rip current risk along the coast. Southerly winds are expected to gust between 10 and 25 mph on Sunday as conditions warm into the mid 90s early next week, according to NWS Houston/Galveston.

Beat The Heat

To stay safe, take frequent breaks, drink plenty of water and try to avoid strenuous outdoor work during the hottest part of the day. The combination of high temperatures and humidity significantly raises the risk of heat illness.

If you need a place to cool off, the Reliant Beat the Heat program and city cooling centers are opening across Houston. You can find locations and hours at Reliant. For immediate local assistance, call 3-1-1 or check community resources.

Plan Ahead

Along the coast, expect breezy onshore flow and seas of about 3 to 6 feet, so beachgoers should follow lifeguard instructions and stay out of the water when warning flags are flying. Storms may bring frequent lightning and quick bursts of heavy rain that can slow down commutes, so give yourself extra travel time and have a backup plan for any outdoor events.

Keep an eye on updated forecasts and local alerts throughout the day for changes in storm timing and any additional advisories.