But look what's happening right near the Tanana River: Eielson AFB (PAEI) was cold, then gusty southeast winds broke through and temperatures have been very mild since mid morning. This is quite common at Eielson. Both Fairbanks Airport (PAFA) and Nenana Airport (PANN) have had big temperature swings during the day as the differing airmasses waffle back and both across these specific points. The Alaska
Note: There is a chance the Fairbanks Airport temperature swings are not real but represents intermittent sensor failure. However, given the overall situation, the reported temperature variations are probably real.
*Thanks to Chris S. for pointing out my incorrect attribution of the operator of this PWS.