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Meteorologist Mark’s Wx Blog for Mon., Dec. 21


Look for the Christmas star this evening!

Winter Solstice is today

Snowflakes expected Christmas Eve

Meteorologist Mark’s Vlog in a Flash

48-Hour WX

Seven-Day Forecast

Daily Forecast Summary

Today: Gradual clearing. Breezy.

Tuesday: Mostly sunny and quiet pleasant.

Wednesday: Clouds increase and winds pick up. Showers develop overnight.

Christmas Eve: Rain changing to snow. Light snow possible by evening and overnight. Accumulation expected to stay under 1/2 inch.

Christmas Day: Mostly sunny and cold.

Saturday: Mostly sunny and chilly.

Sunday: Mostly cloudy.


Light snow could accumulate Christmas Eve evening and overnight. In addition, bitter cold temperatures will settle into the area. Be careful if you must be out and about. Accumulation is expected to stay under 1/2 inch. Stay tuned for any changes.

Meteorologist Mark’s Snow Scale

On This Day in Wx History

1989- The beginning of perhaps the worst December cold wave ever sees Nashville’s temperature drop to -2. Crossville bottoms out at 0 degrees.


Yesterday’s National Temperature Extremes

High: 88° at Pala, California 

Low: -10° at Gunnison, Colorado

Today’s National Wx Hazards

Snowflakes are flying across parts of the Northeast and across the Great Lakes region. We’re also seeing some snow across the Northwest, especially across the US/Canada border.

Tomorrow’s National Wx Hazards

Arctic air and moisture are combining to drop some snowfall across a huge portion of real estate across the western US and Great Lakes region. More snow can be found in the central and northern portions of the Appalachian Mountains.

 Weather Shots

This amazing winter scene was captured this weekend in the mountains of North Carolina, near the town of Balm. (Photo by Joseph Nitti)

NASA Nerdology 

Don’t forget the conjuncture this evening! Look southwest about 45 minutes after sunset. It should be a pretty cool sight to see. We’ve seen Jupiter and Saturn get closer and closer together and this evening they will appear to become one star. For this to occur on the Winter Solstice makes it even more special.

You all have a great day!

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