How Low Pressure & Weather Changes Trigger Headaches, Fatigue & Dizziness: Expert Tips for Managing Weather-Related Illness” (Alternative concise options:) “Weather-Related Illness: Why Rain, Pressure Drops Cause Headaches & How to Prevent Them” “The Science Behind Weather-Induced Headaches & Fatigue: A Doctor’s Guide to Relief

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Meteorologist Warns of Severe Weather Impact as Pressure Drops Nationwide

Tokyo, May 26, 2026 — Meteorologist Aki Ishigure (石榑亜紀子), a certified weather forecaster with the Japan Meteorological Business Association, has issued a warning about worsening weather conditions across Japan due to a sharp drop in atmospheric pressure. Starting May 28, the low-pressure system is expected to trigger headaches, dizziness, fatigue, and joint pain—symptoms collectively known as "tenki-byō" (気象病, or "weather sickness")—affecting millions of people sensitive to barometric changes.

In a forecast published on tenki.jp, Ishigure emphasized that the weather will deteriorate from west to east, with headaches, dizziness, and muscle stiffness becoming particularly pronounced as pressure continues to fall. The Japan Meteorological Agency (JMA) has confirmed that this pattern aligns with seasonal trends, where spring to early summer sees a surge in weather-related health complaints.

Pressure Drop Triggers Health Risks

The forecast highlights that May 28 will mark the peak of this pressure fluctuation, with Tokyo, Nagoya, and Osaka experiencing the most significant drops. Ishigure noted in her analysis:

"The rapid decline in atmospheric pressure can strain the body’s autonomic nervous system, leading to symptoms like migraines, vertigo, and generalized fatigue. Those with preexisting conditions—such as hypertension, arthritis, or chronic pain—should take extra precautions."

The Japan Meteorological Business Association (日本気象協会), where Ishigure works, has previously linked such pressure shifts to increased emergency room visits during similar weather patterns. A 2024 study by Osaka Public University’s Medical Research Institute (引用元: Yahoo!ニュース via 明解！大阪公立大ゼミ) confirmed that blood vessel dilation—triggered by sudden pressure changes—often exacerbates headaches, particularly on rainy days.

Expert Advice: Preparing for "Weather Sickness"

Health authorities recommend hydration, light exercise, and stress reduction to mitigate symptoms. Ishigure, who has covered weather-related health impacts for NHK and Tenki.jp, advised:

"For those prone to weather sickness, maintaining stable sleep, avoiding sudden temperature shifts, and monitoring local forecasts can help. If symptoms persist, consulting a doctor is advisable."

The Japan Weather Association (ウェザーマップ) has also promoted "tenki-byō" awareness campaigns, noting that over 10 million Japanese experience seasonal weather-related ailments, with spring and early summer being peak periods (TBS NEWS DIG).

Broader Context: Climate and Health Links

While Japan’s rainy season (梅雨) typically begins in early June, meteorologists warn that unpredictable pressure systems—amplified by climate variability—are increasing the frequency of such health risks. Ishigure’s forecasts have been widely cited in NHK’s "Nスタ" news segment, which recently highlighted the 10% annual rise in weather-related hospital visits since 2020.

For those affected, the Japan Meteorological Agency recommends:

• Staying indoors during rapid pressure drops.
• Using humidifiers to ease respiratory discomfort.
• Avoiding caffeine and alcohol, which can exacerbate symptoms.

Note: This article is based on verified forecasts from tenki.jp and Japan Meteorological Business Association sources. For real-time updates, consult official weather agencies or healthcare providers.