Drought monitor link is always useful and often dynamic through time. There is a snow deficit in W US mountains now. Especially further north. This can lead to drought later.
I suspect this was his source: Current Map | U.S. Drought Monitor See also these NOAA Climate Prediction Center links: Climate Prediction Center - United States Drought Information Climate Prediction Center https://www.cpc.ncep.noaa.gov/products/expert_assessment/month_drought.png https://www.cpc.ncep.noaa.gov/products/expert_assessment/season_drought.png