A quick update to record the occurrence of some light snow cover this morning on the banks of the Yukon River at Beaver, elevation 340', 105 miles north of Fairbanks. It was gone by noon as the temperature rose into the mid 30s.
The season is quickly advancing.
Update September 14: Bettles and Coldfoot got in on the action this morning, with some light accumulating snow.
Surface ice cover is evident today on some smaller freshwater lakes on the North Slope, for example near Teshekpuk Lake: