Houston Weather Alert: Heat, Air Quality & UV Safety Guide

What’s Happening Right Now?

Imagine stepping outside at 6:53 AM and it already feels like 81°F (even though the thermometer says 78°F). That’s Houston this morning – warm, mostly clear skies, and barely a breeze. But hold onto your hat, because the day is about to get much hotter.

Today’s Forecast: "Feels Like" 103°F

By afternoon, temperatures will climb to the upper 90s, but with humidity, your body will feel like it’s 103°F. That’s not just uncomfortable – it’s potentially dangerous.

IMPORTANT CALL OUT
Heat Risk Level: Moderate to HIGH
Area of Greatest Concern: Harris County
Heat-related illnesses are a real threat today. This isn’t just "hot weather" – it’s a health hazard.

Three Big Alerts You Need to Know

1. Extreme Heat Warning

• Actual temp: Upper 90s°F
• "Feels like" temp: Up to 103°F
• Why it matters: Your body cools itself by sweating. When humidity is high, sweat can’t evaporate, so your internal temperature rises. This leads to heat exhaustion or heat stroke.

2. Air Quality Alert – "Ozone Action Day"

• Areas affected: Harris, Brazoria, and Galveston counties
• The problem: Ground-level ozone (not the good kind up in the atmosphere!)
• Who’s at risk: Kids, older adults, anyone with asthma, COPD, or other breathing issues
• What it feels like: Coughing, throat irritation, shortness of breath

3. UV Index: EXTREME

• Level: Extreme (the highest category)
• Duration: Next several days
• Translation: Sunburn can happen in under 10 minutes for fair skin. Damage happens even on cloudy days.

Your 5-Step Heat Safety Plan

1. Hydrate BEFORE you’re thirsty
   Drink water all day, not just when you feel parched. Aim for 8oz every hour outdoors.

2. Time your outside time
   Do yard work, exercise, or errands before 10 AM or after 6 PM when heat index drops.

3. Dress like a desert dweller

   • Light-colored, loose-fitting clothes
   • Wide-brimmed hat (baseball caps leave ears/neck exposed)
   • UV-blocking sunglasses

4. Sunscreen isn’t optional

   • SPF 30+ broad spectrum
   • Apply 15 mins before going out
   • Reapply every 2 hours (or after sweating/swimming)
5. Buddy system + check-ins
   • Never work/play alone in extreme heat
   • Check on neighbors, especially elderly or those without AC
   • Know cooling center locations (libraries, community centers, malls)

Why Humidity Makes It Worse

Think of your body like a swamp cooler. Sweat evaporates → takes heat with it → you cool down.
But when air is already full of moisture (high humidity), sweat just drips off. No evaporation = no cooling. That’s why "heat index" (what it feels like) matters more than the actual temperature.

Summary: Your Cheat Sheet for Today

Bottom line: Today is a "triple threat" day – heat, bad air, and extreme UV. Treat it seriously, not as an inconvenience.

FAQ: Your Questions Answered

1. What’s the difference between temperature and heat index?

Temperature is what the thermometer reads. Heat index is what your body feels when you combine temperature + humidity. At 95°F with high humidity, your body works like it’s 103°F.

2. Who counts as "sensitive groups" for the air quality alert?

• Children (their lungs are still developing)
• Adults 65+
• Anyone with asthma, COPD, emphysema, heart disease
• People who work/exercise outdoors
• Pregnant individuals

3. Does sunscreen expire?

Yes! Most last 3 years. Check the bottle – if no date, toss after 3 years. Heat (like in a car) makes it degrade faster.

4. What are the first signs of heat illness?

Heat exhaustion (warning stage): Heavy sweating, weakness, dizziness, nausea, headache, cool/moist skin
Heat stroke (EMERGENCY – call 911): Hot/dry skin (no sweat), confusion, fainting, seizures, temp 103°F+

5. Can I still exercise today?

Yes, but smartly:

• Move it indoors (gym, home, mall walking)
• Or go very early (sunrise) with hydration breaks every 15 mins
• Cut intensity and duration in half
• Stop immediately if you feel dizzy, nauseous, or overly fatigued

Stay cool, stay informed, and look out for each other, Houston!