This weekend will be exceptionally mild, even warm for mid-January as an upper ridge and strong southwest flow drives 70s all the way to central Virginia, perhaps even into the south suburbs of Washington DC. Expect mid-60s through Baltimore, low 60s for Philadelphia, Trenton and Newark. New York City should creep to 60 while Boston makes it to 54-55 degrees.

These readings are 20+ degrees above normal with some locales perhaps nearing 30 above!

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Snow cover will significantly disappear across the Midwest, maybe as far north as the UP of Michigan and southern New England. The only places which are likely to hold on will be central and northern New York, Vermont, New Hampshire and Maine where temperatures will stay in the 30s but could reach the low 40s.

Here is the ECMWF upper chart for Saturday.

Will This Warmth Last?

Despite all this abnormal warmth, as I’ve been saying for well over a week now, the cold is returning and will return in a major way next week over the Rockies and Plains.

As the ridge axis centres over the Lower Midwest Friday, East Coast Saturday, the Central Plains have some serious cold coming early next week and eventually it will reach the East Coast.

A major atmospheric fight zone sets up over the Mid-Section of the country next week and this will slide east, so don’t be surprised to see some sort of storm riding up the Appalachians or East Coast LATE next week.

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