Harris County Storm Log

This page is a running, source-cited record of significant severe-weather events — Severe Thunderstorm Warnings, Tornado Warnings, and major historical storms — affecting Harris County and the NW Houston area, compiled from National Weather Service and NOAA data and listed with the newest event first.

This log updates automatically as the National Weather Service issues warnings for Harris County and the surrounding NW Houston area — each entry reflects NWS's own updates, including when a warning is later expired or cancelled. No specific refresh schedule is promised here; the log simply reflects whatever NWS has most recently published. A verified historical NCEI record starts the list below.

Related: the Harris County hail-frequency guide covers 2016–2025 hail-event counts for the county, and every figure cited across this site — including the entries below — is drawn from the same underlying Local Facts dataset.

• May 16, 2024Historical

  Derecho — EF-1 tornado and ~104 mph estimated gust

  Cypress (Tuckerton & Greenhouse Rds), NW Harris County

  Wind: ~104 mph (90 kt, est.)

  A derecho struck Cypress directly, producing an EF-1 tornado that tracked 1.44 miles near Tuckerton and Greenhouse Roads with an estimated $500,000 in damage, plus an estimated 90-knot (about 104 mph) wind gust; the wider event brought 100-plus mph gusts, flash flooding, and multi-day outages across the Houston area.

  Source: NOAA National Centers for Environmental Information (NCEI) Storm Events Database