Hanford, CA – Central California residents should prepare for a stretch of above-average warmth this week, with the National Weather Service forecasting afternoon highs around 90 degrees in the San Joaquin Valley.
According to the US National Weather Service in Hanford, several valley and Sierra foothill locations carry high probabilities of exceeding 90°F between Monday, September 22, and Sunday, September 28. The peak heat risk arrives Tuesday, when Fresno faces an 85% chance of topping 90, Bakersfield 95%, and Merced nearly 95%.
Chances taper off midweek, with most valley cities holding only a 10–30% likelihood of breaking the 90-degree mark by Thursday. Still, warm afternoons are likely to persist, with weekend forecasts showing Fresno at a 50% chance Saturday and Visalia at 30%.
The agency noted that temperatures will hover near or slightly above seasonal averages, extending the valley’s summerlike pattern even as fall begins. Afternoon highs are expected to ease by late week but may briefly rebound over the weekend.
Residents are encouraged to stay hydrated, limit outdoor work during peak afternoon hours, and take precautions for vulnerable groups, including children, seniors, and pets.
The San Joaquin Valley typically sees cooler weather by late September, but prolonged warm spells remain possible into early fall. Meteorologists will continue monitoring conditions and provide updates if the heat trend strengthens.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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