Tornado Warning Houston Today: Why the Radar Looks Different Than You Think

Tornado Warning Houston Today: Why the Radar Looks Different Than You Think

You wake up, check your phone, and see "Houston" and "Warning" in the same sentence. Your heart drops a bit. If you’ve lived in Southeast Texas for more than a week, you know the drill. You start looking for the sky to turn that weird shade of bruised-plum purple. But honestly, if you’re looking for a tornado warning Houston today, January 18, 2026, the reality on the ground is actually the exact opposite of a twister.

It’s freezing.

Like, actually freezing. The National Weather Service (NWS) Houston/Galveston office didn't issue a tornado watch this morning. Instead, they pushed out a Freeze Warning. While parts of the Southeast—think Alabama and Georgia—are dealing with winter storm alerts and even some "Houston County" (the one in Alabama, not our city) is under a snow-related mess, Bayou City is currently dry, crisp, and shivering.

Why is everyone searching for a tornado warning when it’s 35 degrees out? Usually, it’s because of how weather data aggregates. We’ve got a "Houston County" in Alabama that is currently getting hammered with winter weather, and sometimes those alerts bleed into local feeds. Plus, let's be real: Houston weather is erratic. We’ve seen 80-degree days followed by ice storms within twelve hours.

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Currently, the NWS has confirmed that a high-pressure system is camping out over Southeast Texas. This basically acts like a giant lid on the atmosphere. For a tornado to form, you need "instability"—warm, moist air slamming into cold air. Right now, we just have the cold air. The dew points are in the teens. That is "desert dry" for us. You couldn't get a thunderstorm to fire off today if you tried.

What the Radar Actually Shows

If you pull up the KHGX radar right now, it’s clear. There’s no rotation. No hook echoes.

  • Current Status: No active Tornado Warnings for Harris, Montgomery, Fort Bend, or Brazoria counties.
  • The Real Threat: Pipe-bursting temperatures.
  • Wind Factors: We’ve got light northerly winds at about 5 to 10 mph. It makes that 38-degree air feel like 29.

I talked to a few folks who were worried because "the sky looked weird" near Katy this morning. That’s just high-altitude cirrus clouds and some lingering haze. It’s not the "wall cloud" you need to worry about.

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When Should You Actually Worry?

We aren't out of the woods for the season, though. Tornadoes in Houston don't just happen in the spring. We have a secondary "peak" in the winter when strong cold fronts dive down and hit the lingering Gulf moisture.

Basically, keep an eye on Wednesday. The NWS is forecasting a "coastal trough" to develop. That’s weather-speak for "it’s about to get messy." As that moisture returns from the Gulf, we’ll see rain chances jump to 60 or 70 percent. While the primary threat mid-week looks like heavy rain and maybe some minor street flooding, that’s the kind of setup where we usually see those "spin-up" tornadoes.

Those little EF-0 or EF-1 twisters can drop out of a line of storms with almost zero notice. They aren't the giant monsters you see in Kansas, but they’ll rip the shingles off your roof and toss your trampoline into the neighbor's pool.

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How to Tell if a Warning is Real

In 2026, information moves fast, but so does misinformation. If you hear a siren or get a buzz on your phone, check these three specific sources. Don't rely on a screenshot from Facebook that might be three years old.

  1. The Wireless Emergency Alert (WEA): If your phone makes that "end of the world" screeching sound, pay attention. That is GPS-targeted.
  2. NWS Houston Twitter/X or Bluesky: They post the "Polygon" maps. If you aren't inside the red box, you're fine.
  3. Local Broadcast Radar: If the meteorologist is standing in front of a "Velocity" map and pointing at a bright green spot next to a bright red spot, that’s "gate-to-gate shear." That means a tornado is likely on the ground or forming.

Surviving the "False Alarm" Fatigue

It's easy to get annoyed when you see a tornado warning Houston today search trend and realize it’s just a cold day. But "crying wolf" is a dangerous mindset in Texas. Just because it’s clear now doesn't mean the atmosphere won't reset in 48 hours.

What you should do right now:
Stop worrying about the wind and start worrying about your plants. Since we are under a Freeze Warning until the sun fully does its thing, make sure your outdoor faucets are covered. If you have those sensitive hibiscus or tropicals that we all love to plant even though we shouldn't, get them inside or under a heavy blanket.

Actionable Steps for the Next 24 Hours:

  • Check the battery on your NOAA Weather Radio. If the power goes out during a real storm later this week, your phone might lose signal.
  • Download a radar app that allows you to toggle "Correlation Coefficient." This is a fancy tool that shows if the radar is hitting "debris" (like pieces of a house) instead of rain. If you see a blue blob in the middle of a red storm, that’s a confirmed tornado.
  • Clear your gutters. With the rain coming Wednesday, the last thing you want is a backup that floods your foundation while you're trying to stay warm.

The "tornado warning" might be a ghost today, but the Gulf is always brewing something. Stay weather-aware, keep your layers on, and maybe skip the car wash until Friday.