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Automated Alert Predicts High-Severity Rainfall for Houston

September 11, 2026 · wweather1 editorial · 1 min read

An automatic weather alert has been triggered for Houston, United States, predicting a high-severity rain event on September 11, 2026. The forecast indicates precipitation levels will reach 49.2 mm, exceeding the established threshold of 30 mm.

According to automated forecast data from wweather1.com, a high-severity rain event is projected to affect Houston, United States, starting on September 11, 2026, at 00:00 UTC. The alert was issued automatically after the forecast values crossed the system's standard threshold.

The specific metric triggering the alert is precipitation, with a forecasted value of 49.2 mm. This measurement represents a notable increase over the system's defined threshold of 30 mm for the area.

This notification is based entirely on automatic alerts generated from the forecasting data of wweather1.com. No further manual reports or observations have been included in this forecast event.

Why it is dangerous and what to do

⚠️ Safety
• Monitor local weather reports and official updates for real-time information.
• Avoid driving or walking through flooded areas and standing water.
• Ensure outdoor items are secured and local drainage pathways are clear.
📊 The numbers, from wweather1 data
Houston: now +26°, Clear.
That is 2° above the September climate norm.
The record for this date is +37° (2011).
Three-day forecast: 11 September: +33°/+25° · 12 September: +35°/+25° · 13 September: +36°/+27°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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