More than ever this winter, Idaho needs a good snow pack.
Hydrologists with the Natural Resource Conservation Service say Idaho's reservoirs are nearly empty because the state used most of it's water this summer.
While good rains in October and November have helped some, the situation remains critical.
To ensure we have enough water, hydrologists say Idaho needs 80 to 120 percent of its average snow pack, depending on the region.
"Here in the Boise Basin we need about 80 percent of average snow pack to provide adequate irrigation supplies. Well this year La Nina is coming in, so it's looking promising," said Ron Abramovich, a NRCS hydrologist.
La Nina typically means more winter storms from the Pacific that are wetter and cooler than normal.