Today will be hot with highs in the 90s. There is a 10-20% chance of showers and thunderstorms during the daytime, mainly at the coast. High levels of ozone pollution possible in Houston, Galveston and surrounding areas through this evening. Tonight will be mild with early morning lows in the upper 60s inland to lower 80s at the coast. There is a 10-20% chance of showers overnight, mainly over the Gulf waters.
Friday will be hot with highs in the upper 80s/90s. There is a 10-20% chance of showers during the daytime over the Gulf waters. Friday night will be mild with early morning lows in the upper 60s inland to lower 80s at the coast. There is a 10-20% chance of showers overnight over the Gulf waters.
Air Quality Alert.
Ozone Action Day Thursday 09/24.
WHAT:
Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston and surrounding areas through Thursday evening.
WHEN:
Thursday, September 24th, 2026
IMPACTS:
Unhealthy for Sensitive Groups.
ACTIONS:
Limit Outdoor Activities for Early or Late in the Day.
Limit Driving or Carpool.
Hot weather continues with highs in the upper 80s/90s. Early morning lows will be in the upper 60s/lower 80s. Drier weather and lower rain chances are expected through the early weekend. Rain chances rise Sunday into next week. Widespread showers/storms possible around Wednesday/Thursday with a cold front.
Attend a virtual SKYWARN Class hosted by the NWS Houston/Galveston on 10/26/26 from 6pm to 8:30pm. This free class will train you on severe weather spotting, how to report it to the NWS, and some safety information. Please visit weather.gov/hgx/skywarn_schedule for the registration link, or go directly to https://attendee.gotowebinar.com/register/7328261950065647448
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