Idaho experienced one of the warmest winters ever recorded this year. The first day of spring saw 90s as the high. Now closing out the first week of summer, temperatures fall nearly 30 per normal.The Gem State's odd forecast continues this week with upper 90s today and by this weekend 60s return as the high. Oddly enough, during Meridian Dairy Days last year, this same temperature drop happened. We saw 90s mid week, 70s by Friday and 60s again i…