What’s the deal with Chinook headaches?

Allison, a pseudonym for confidentiality, visited my clinic recently, reporting a headache that began at 2:58 AM the previous night. She indicated that she frequently experiences headaches associated with fluctuations in the weather. As residents of Calgary, where Chinook winds are prevalent, Allison noted that she suffers from headaches each time a Chinook occurs. Originally hailing from Ontario, she relocated to Alberta a decade ago. Still, it has only been within the last three years that she has observed a correlation between Chinooks and her headaches. Notably, I treated three additional patients on the same day who reported headaches occurring around 3 AM. Coincidence?

My name is Dr. Josip. I am a chiropractor who frequently treats neck and back pain. This article provides a brief overview of Chinook-related headaches.

A Chinook, meaning “snow eater,” is a meteorological phenomenon characterized by warm winds, primarily observed in mountainous regions such as New Zealand, southern Europe, Argentina, and Canada. This weather pattern arises when moist air originating from the ocean is forced upward over mountain ranges. As the air ascends, moisture condenses and precipitates. The resulting dry air then descends rapidly on the leeward side of the mountains, forming warm winds.

Chinooks have been associated with several adverse health effects, collectively termed “fohn illness,” which includes migraine headaches. The precise mechanisms behind these health impacts remain poorly understood. It is thought that increased concentrations of positive ions in the atmosphere or rapid pressure changes may contribute to such adverse effects.

A study conducted in Calgary in 2011 revealed that while patients perceived a connection between Chinooks and heightened pain, objective meteorological data failed to demonstrate a definitive correlation between Chinooks and pain exacerbation.

Research indicates that various weather variables, including barometric pressure, humidity, and wind, can influence migraine attacks. However, the findings from recent studies that I have reviewed exhibit inconsistencies.

A 2024 study assessed contemporary research on the relationship between weather and migraine occurrences. It was found that many individuals consider weather changes as potential triggers for their migraines; nevertheless, the researchers established no causal relationship between weather patterns and the incidence of migraines. The results of these studies highlight variability among individuals regarding the impact of weather on migraine experiences.

For the four patients who consulted with me, we effectively addressed their symptoms through spinal manipulation, targeted exercise, and the utilization of the MCU machine for individuals with weak necks. In my practice, there is a noticeable increase in patients presenting with neck pain and headaches during Chinook winds. 

I would welcome your insights regarding your strategies for managing neck pain and migraines during periods of Chinook winds.

I invite you, the reader, to share your experiences regarding the effects, if any, that Chinooks have on you. Please take a moment to respond to the following question: