Coldest air of the season moves into Anchorage

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ANCHORAGE (KTUU) - While under partly sunny skies Wednesday Anchorage will see high temps in the mid 20s.

Light snow has lingered across Cook Inlet and the Kenai Peninsula as our snowstorm continues to move out of the area towards the Panhandle while high pressure builds out of the north. Snow should diminish and end Wednesday morning as high pressure pushes colder, drier air down into Southcentral.

This storm clearing and the development of high pressure could lead to fog development across portions of Southcentral overnight and this morning along Cook Inlet, in the Valleys of the Kenai Mountains, and the southern half of the Copper River Valley.

Temperatures will continue to trend downward through the forecast period with some of the coldest readings of the season thus far as cold air moves in and fresh snow reflects the sun's energy back into the atmosphere. Lingering clouds could help to hold some heat thus moderating the cooling trend a bit. Even with cloud help, we can still expect overnight lows well below zero across interior locations of Southcentral and near-zero as far south as Anchorage and Kenai Wednesday night into early morning Thursday. Our Gale Storm Force Winds (39-54 mph) across the eastern Kenai Peninsula and North Gulf Coast (Copper River Delta) will slowly diminish today (Wednesday).

We could be looking at another pattern change in store for Southcentral by the weekend as storms move out of the Bering Sea/Alaska Peninsula/Western Gulf Thursday and north to the Southcentral coast on Friday. If this holds, precipitation type will be a challenge as storms plus winds out of the south bring warmer air back across the region.

For the extended forecast, cold air should be sitting in place over most of Southcentral with high pressure to our north sending colder air our way. This could start to change on Saturday as storms push warmer air back into Southcentral from out of the Southwest. This could spell melting snow (from warming temperatures) and even the possibility for rain and or a rain-snow mix at the end of the weekend.

Early flurries will stop, then we will see partly sunny skies on Wednesday with a high near 23 degrees. Temps will start to fall this afternoon, patchy freezing fog could develop Wednesday night while under partly cloudy skies as we drop down to 11 degrees.

Partly cloudy Thursday in Anchorage with early patchy freezing fog before we warm up to 20 degrees for a high temp. Thursday night we will be mostly cloudy with variable 10 mph winds as we drop down to 14 degrees.

Looking ahead, Friday we will be cloudy with a high of 25 degrees.

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