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Temperatures remain above average
HOUSTON - The last official weekend of summer was hot and humid (for mid-September) with highs in the low to mid 90s.
Temperatures should remain seasonal or slightly warmer than usual as we start the work week. Allergy levels should remain high, especially ragweed and mold.
Rain chances increasing
We saw isolated showers over the weekend and will keep higher potential for widespread showers and thunderstorms as a more active jet stream interacts with increasing Gulf moisture.
Rain chances are the highest by mid-week as a weak cold front arrives in Southeast Texas. The timing of the rain and the front are too early to pinpoint, but look for drier and slightly cooler temperatures for sure starting on Thursday.
Tropical update
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Tropical Weather update - Sept. 21 2025
Things are getting complicated in the Atlantic. Gabrielle has now been upgraded to a hurricane. This system should continue to strengthen over the next several days possibly becoming a major hurricane by midweek. The National Hurricane Center is also keeping watch on two other areas for possible development into a tropical cyclone. One tropical wave has a 50% chance to become a tropical cyclone in the next 7 days and the other area has a 20% chance.
Gabrielle is now a hurricane and getting even better organized and should strengthen into a major hurricane this week. Gabrielle is not a risk to the United States and poses minimal impacts to Bermuda.
Besides Gabrielle, the National Hurricane Center is watching two other areas in the Atlantic for possible development into a tropical cyclone.
The Source: Your Gulf Coast Weather Authority