The National Weather Service's (NWS) forecast for December through
February signals a typical La Nina winter is ahead. The forecast calls
for below-normal temps across the Pacific Northwest into the Northern
Plains, while above-normal temps are expected across the South.
Additionally, above-normal precip is expected across the northern tier
of states, including eastern Iowa into the eastern Corn Belt, while
below-normal precip is expected across the South. The NWS's Climate
Prediction Center (CPC) says the December through February outlook is
"heavily influenced by ongoing La Nina conditions that are forecast to
continue through late winter." It says the highest probability of
above-normal temps is in the Southwest and Texas, while above-normal
precip for the northern tier of states and below-normal precip for the
southern tier of states is consistent with La Nina. "This footprint
slowly decreases entering the core spring months before long-term trends
become dominate during the warm season," it states.
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