Story perspectives

California's Central Valley Battles Persistent Tule Fog

12/13/2025

Summary

Story summary

California is experiencing persistent tule fog across the Central Valley, reducing visibility on highways from Redding to Bakersfield, with some areas recording less than a quarter mile.
The fog is caused by a stable high-pressure system trapping moist air near the ground, creating dense conditions.
The fog typically burns off during the day and has lingered longer than usual this year.
Meteorologists expect clearer weather next week to alleviate fog.

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Story summary

California is experiencing persistent tule fog across the Central Valley, reducing visibility on highways from Redding to Bakersfield, with some areas recording less than a quarter mile.
The fog is caused by a stable high-pressure system trapping moist air near the ground, creating dense conditions.
The fog typically burns off during the day and has lingered longer than usual this year.
Meteorologists expect clearer weather next week to alleviate fog.