Houston, TX is facing a heat-advisory Saturday — highs near 89°F but feeling like 108°F — with a 60% chance of showers and thunderstorms through the afternoon. If your weekend plans involve being outside, today demands flexibility and a radar app on your phone.
Today’s Setup
The National Weather Service has issued a Heat Advisory for the greater Houston area today, driven by southeast winds around 5 mph funneling Gulf moisture straight inland. This isn’t just hot — it’s the kind of draining, sticky heat that sneaks up on you.
Timing matters for the storms. NWS forecasters expect the heavier morning activity to focus north and west of the city — The Woodlands, Katy, and the I-45 corridor north of downtown — before shifting southward toward the coast through the afternoon. Neighborhoods that get soaked early will likely see a quieter afternoon, while those that stay dry through lunch face a bigger risk later. The National Weather Service notes a level 2 out of 4 risk for excessive rainfall, mainly north of I-10 — if you’re near any bayou in that zone, keep an eye on water levels.
Best Window To Be Outside
Before 9 AM CT is your cleanest outdoor window, especially south of downtown. Pearland, Clear Lake, and Missouri City should have a head start before storm coverage builds. After that, it’s stop-and-go radar watching the rest of the day.
Rain, Wind, and Heat Risk
Three things to respect today:
- Heat index near 108°F. Hydrate early and often. A Stanley quencher tumbler keeps your drink icy in this weather.
- Flooding risk north of I-10. Most spots will see under an inch of rain, but locally heavier amounts are possible. Never drive through standing water.
- High rip current risk at Galveston. The National Weather Service warns of high rip current danger at area beaches this weekend. Swim only near lifeguards.
If storms knock out power in your neighborhood, a DARAN 288Wh Power Station for $90 is solid storm-season insurance to keep your devices and lights running.
What To Bring
A compact travel umbrella belongs in your bag today — Houston summer storms give almost no warning. If you’ll be out for hours, a packable rain jacket keeps you covered without the bulk.
Astros Game Day Weather
The Houston Astros host the Cleveland Guardians at Daikin Park both today (June 20) and Sunday (June 21). Today’s game is the riskier one with that 60% storm chance — a rain delay is realistic. Sunday is the better day to go: highs near 94°F with only a 22% rain chance, and it’s the City Connect Soccer Scarf giveaway. Represent with a Houston Astros jersey or Houston Astros fitted cap. Get tickets on SeatGeek or Find tickets on StubHub if you still need seats.
Looking ahead to Tuesday, June 23: World Cup Match 47 Group K — Portugal vs. Uzbekistan — comes to NRG Stadium. Conditions look to be improving by then. Get tickets on SeatGeek before they’re gone. That same evening, Ilana Glazer brings Ilana Glazer Live! to 713 Music Hall — a great indoor option if you’ve had enough of the rain.
Rainy Day Comfort Food
This is exactly the Saturday made for slow cooker chili or a hearty beef stew. Set a programmable slow cooker before the first storm and come home to dinner ready. An enameled cast iron Dutch oven works equally well for a big pot of soup on the stovetop. Need ingredients? You can order groceries on Amazon and have everything delivered before the next rain band rolls through.
Next Few Days
Sunday improves — hotter at 94°F but with only a 22% rain chance, making it the better outdoor day of the weekend. Keep tabs on the Houston weather forecast as the week develops, and browse outdoor gear deals if you need to stock up on rain-ready supplies for the rest of storm season.

