Aw...what a shame.

Upper Snake River system (Jackson Lake,Palisades,
Grassy Lake,Island Park,Ririe,American Falls,Lake Walcott)
is at 48% of capacity.
Total space available:       2123506 AF
Total storage capacity:      4045695 AF

But most of the state's people live around Boise, for some reason:

Boise River system (Anderson Ranch, Arrowrock, Lucky Peak) is at 43% of capacity.
Total space available:       538002 AF
Total storage capacity:       949700 AF
Natural Flow:                   1024 CFS

Payette River system (Cascade, Deadwood) is at 63% of capacity.
Total space available:       293507 AF
Total storage capacity:       800452 AF
Natural Flow:                   1321 CFS

So much for your McDonald's french fries this year, dude. (AF is "Acre Feet" or about 325851.428571 US gallons, or 1233481.83755         liters. But you knew that like all good Westerns do, even if they live in SoCal.)