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FARGO — A WDAY television viewer recently asked why we do not seem to be able to predict fog very many days in advance. The answer is that fog, in particular the ground fog that is common during fall, is caused by conditions that are rather subtle, and it tends to form here and not there in patches. Predicting fog on a Wednesday night for the weekend is virtually impossible.
We do a 10-day forecast on WDAY. We do this because weather apps have 10-day forecasts, and we have found our skill to be better than the automated model forecasts on most weather apps. That being said, any forecast, including ours, diminishes in precision and accuracy with each day further removed from the present. The last few days of a well-thought-out 10-day forecast can be useful for pointing out temperature trends and chances of precipitation, but not for the subtle details that make up the total weather experience for that day.
