Home → Weather news → Sendai Weather Alert: Rainfall Reaches 40.2 mm
Sendai Weather Alert: Rainfall Reaches 40.2 mm
High precipitation has been recorded in Sendai, with rainfall totals reaching 40.2 mm. The measurement exceeds the established threshold of 30 mm.
According to forecast data from wweather1.com, a high-severity rain event began in Sendai on October 20, 2026. The automatic alert was triggered as the precipitation value crossed the 30 mm threshold.
Total rainfall for the event has been officially recorded at 40.2 mm. Local conditions reflect the impact of this high precipitation level.
Residents in the affected area are advised to monitor ongoing weather updates and take standard precautions for heavy rain conditions.
Why it is dangerous and what to do
⚠️ Safety
• Monitor local weather updates and alerts.
• Exercise caution if traveling on roads.
• Ensure outdoor items are secure.
📊 The numbers, from wweather1 data
Sendai: now +16°, Rain.
The record for this date is +22° (1944).
Three-day forecast: 19 October: +22°/+13° · 20 October: +18°/+16° · 21 October: +23°/+16°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
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📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.