Unusual Temperatures Grip Central Valley

Experts warn of sudden shifts and health impacts as the region experiences an early heat wave.

Mar. 12, 2026 at 11:22pm

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The Central Valley of California is experiencing an unusual heat wave in early March, with temperatures reaching well above average for this time of year. The National Weather Service says the region could see record highs, both daily and monthly, as the warm trend continues. Experts caution that the sudden shift in temperatures can pose health challenges as the body struggles to adapt, leading to potential issues like headaches, fatigue, and brain fog.

Why it matters

The early arrival of summer-like temperatures in the Central Valley is highly unusual and could have significant impacts on the local community. Residents may need to adjust their routines and take precautions to manage the health effects of the sudden heat wave.

The details

Temperatures in the Central Valley have been running about 13 degrees above normal, with Sunday seeing particularly high readings. The National Weather Service warns that not only daily temperature records, but potentially monthly records as well, could be broken in the coming weeks. Doctors say the rapid shift in temperatures can be challenging for the body to adapt to, leading to symptoms like headaches, migraines, fatigue, and brain fog that should subside within 48 hours.

  • On Sunday, the Central Valley experienced a day 13 degrees above normal.
  • Every day in March has had above-average temperatures.

The players

National Weather Service

The federal agency responsible for weather forecasting and issuing weather-related warnings.

Dr. Praveen Buddiga

A local physician who warns about the health impacts of the sudden temperature shifts.

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What they’re saying

“We could see not only record highs not only for the daily temperature, but potentially the monthly temperature.”

— Stephen McCoy, National Weather Service (abc30.com)

“Our body has a significant challenge to basically acclimatize or adapt to the change in temperature from cold to hot.”

— Dr. Praveen Buddiga (abc30.com)

What’s next

Residents should continue to monitor weather forecasts and prepare for the possibility of record-breaking temperatures in the coming weeks. Health officials recommend staying hydrated, dressing appropriately, and being aware of any symptoms that may arise due to the sudden temperature shifts.

The takeaway

The early arrival of summer-like temperatures in the Central Valley is highly unusual and could pose challenges for the local community. Residents will need to adjust their routines and take precautions to manage the health impacts of the sudden heat wave.