His name is Frankie MacDonald. His forecasts are are usually spot on.

He only posts when serious weather is about to strike. This time he is warning Wyoming about some serious winter weather coming to Wyoming, beginning October 7th, 2018.

On his YouTube page Frankie writes:

Major Storm is on its way for Wyoming on Sunday October 7, 2018 and it will bring 20+ cm of Snow Especially in Casper Wyoming and Cheyenne Wyoming and it will bring Blowing and Drifting Snow in the State of Wyoming and the Roads will be Very Slippery and it will be Dangerous and Treacherous Driving Conditions and The Storm will Start off As Rain then it will change over to Snow once the Colder Air Moves In and it will cause Blowing and Drifting Snow in Wyoming Especially in Casper and Keep your Beef Cattle and Cows in your Barns in the Farm and it will be Windy Conditions. 

People in Wyoming Be Prepared Have your Winter Boots, Winter Jackets, Hats, Gloves, Scarfs and Ski Pants Ready.  Order your Pizzas and Chinese Food and Buy Cases of Pepsi and Coke.  Have your Samsung Galaxys, Samsung Galaxy Smartphones, Samsung Galaxy Tablets Charged, Smartphones, Cell Phones, Laptops and Tablets Charged and Have your 3G and 4G Internet Ready.  When you Go Outside

Be Very Careful while you are walking so you don't slip and fall.  When you are Driving your Car Take your Time Driving your Car and Slow Down so you Don't get in the Car Accident.  Have your Furnaces Ready and Turn on the Furnaces to Keep the House Warm.  Drink Lots of Green Tea, White Tea, Red Tea and Drink Lots of Green Tea to Keep you Warm.  Have your Extra Blankets Ready to Keep you Warm. 

Have your Shovels, Snow Scoops, Snow Blowers, Snow Plows and Salt Trucks Ready.  If you Have anybody Living in Wyoming Be Prepared for Major Storm on Sunday October 7, 2018.  Take Care and Stay Safe and Don't Get Caught in the Major Storm.  Stay Warm and Be Safe.