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High-Severity Rain Alert Issued for Guatemala City

September 23, 2026 · wweather1 editorial · 1 min read

An automatic weather alert has been issued for Guatemala City, with precipitation forecast to reach 34.8 mm on September 23, 2026. This projected rainfall exceeds the established safety threshold, prompting a high-severity warning.

The automatic alert was generated by wweather1.com using its own forecasting data. The system triggered the high-severity notification after the forecast value crossed the designated threshold of 30 mm.

According to the forecast for September 23, 2026, Guatemala City is expected to receive 34.8 mm of precipitation. The meteorological event is scheduled to start at 00:00:00 UTC.

This alert is based entirely on automated data models from wweather1.com. Local residents are advised to remain informed of the weather conditions as the forecast period begins.

Why it is dangerous and what to do

⚠️ Safety
• Stay indoors during periods of intense rainfall if possible.
• Avoid driving or walking through flooded roads and low-lying areas.
• Monitor local news and official weather channels for real-time updates.
📊 The numbers, from wweather1 data
Guatemala City: now +22°, Rain showers.
The record for this date is +26° (2021).
Three-day forecast: 13 October: +23°/+16° · 14 October: +25°/+16° · 15 October: +24°/+17°
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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