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High Precipitation Forecast Issued for Houston

September 13, 2026 · wweather1 editorial · 1 min read

A high-severity precipitation forecast has been issued for Houston, with expected rainfall crossing the established threshold. Residents are advised to monitor local conditions.

According to forecast data from wweather1.com, precipitation levels in Houston are projected to reach 47.7 mm on September 13, 2026. This forecasted total exceeds the established threshold of 30 mm, triggering an automatic high-severity alert for the area.

The weather event is tracked under the automated monitoring system, which identifies forecast values surpassing critical meteorological limits. The notification was generated on September 13, 2026, based on the latest available data for the city.

Local authorities and residents in the affected region should take note of the forecasted rainfall amounts. Continuous updates will be provided as new weather data becomes available.

Why it is dangerous and what to do

⚠️ Safety
• Monitor local weather forecasts and official alerts.
• Avoid walking or driving through floodwaters.
• Secure outdoor items that may be affected by heavy rain.
📊 The numbers, from wweather1 data
Houston: now +27°, Clear.
That is 1° above the September climate norm.
The record for this date is +38° (2011).
Three-day forecast: 13 September: +32°/+26° · 14 September: +33°/+25° · 15 September: +37°/+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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