There are two things you need to know. First of all, this is not an April Fool's joke. Second, this is also not an official forecast - yet. But, there an experimental model from the forecasters does show a strong possibility that Missouri could see dangerous storm development on Monday, April 1.
It would be a good idea to keep an eye on the skies over Missouri and Illinois midweek as there's a good chance that we'll see big storms with damaging winds develop that might bring with it helpful rain, too.
If you survived the brutally cold winter we're still trying to get over, then you know how powerful Mother Nature can be. Not that you needed it, but here's another reminder.