The phrase "foggy conditions" means that there is a lot of fog in the air, making it difficult to see clearly.
Sentences with «foggy conditions»
Very few people actually choose to drive in foggy conditions and that's because the extreme dangers are obvious. (drive-safely.net)
Even though autumn is starting to set in during September, this month is only affected by foggy conditions on less than one day and snow is practically unheard of. (holiday-weather.com)
Despite the rainfall and chance of snow, Paris is affected by foggy conditions on less than one day each April. (holiday-weather.com)