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Heavy Rain Forecasted for Tampa on September 21, 2026
An automated alert from wweather1.com indicates high-severity rain in Tampa, United States, on September 21, 2026. Forecast precipitation levels are expected to reach 99.7 mm, exceeding the standard threshold.
According to forecast data from wweather1.com, Tampa, United States, is projected to experience a rain event starting at 00:00 UTC on September 21, 2026. The system triggered a high-severity warning for the city.
The expected precipitation value for September 21, 2026, is 99.7 mm. This predicted volume crosses the system's precipitation threshold of 30 mm.
This notification was generated automatically by wweather1.com based on internal forecast metrics that identified the threshold exceedance.
Why it is dangerous and what to do
⚠️ Safety
• Avoid driving through flooded streets or standing water.
• Clear drainage paths around your property to reduce flood risk.
• Monitor local weather forecasts for further updates.
📊 The numbers, from wweather1 data
Tampa: now +22°, Clear.
That is 1° above the September climate norm.
The record for this date is +33° (2025).
Three-day forecast: 21 September: +31°/+22° · 22 September: +30°/+23° · 23 September: +34°/+25°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
Havana
now
🌙
+24°
Jacksonville
now
⛅
+24°
Miami
now
☁️
+24°
Tampa
now
🌙
+22°
Orlando
now
🌙
+22°
Nassau
now
☁️
+25°
📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.