Weather forecasts have become much more accurate up to 7 days

Recommendable! Nice overview article on the history of meteorology! Given the complexity of weather, it is a slow progress!

Well, weather forecasts are still quite inaccurate especially beyond 48 hours.

The proponents of Global Warming and Climate Change heavily rely on climate model forecasts of up to 100 years. What a huge scam!

"... The biggest improvements we’ve seen are for longer timeframes. By the early 2000s, 5-day forecasts were “highly accurate” and 7-day forecasts are reaching that threshold today. 10-day forecasts aren’t quite there yet but are getting better. ..."

Weather forecasts have become much more accurate; we now need to make them available to everyone - Our World in Data A four-day forecast today is as accurate as a one-day forecast 30 years ago.