Dense fog alerts were so extensive nationwide that they reached record levels for the third consecutive day. Fog alerts stretched from the Canadian border to the Mexican border and reached as far east as the Northeast just after daybreak Thursday. In total, these alerts encompassed more than 1,500 National Weather Service forecast zones – areas that can be smaller than a county the weather service provides specific forecasts for. Related Articles Weather | Watch: Huge rocks destroyed in Sierra foothills blastWatch: Huge rocks destroyed in Sierra foothills blast Weather | Bay Area weather: How much rain did we get? Weather | More rain in the Bay Area, snow in Tahoe before a return to drier weatherMore rain in the Bay Area, snow in Tahoe before a return to drier weather Weather | Thunderstorms Sunday?

Source: CNN January 26, 2024 15:06 UTC