December 15, 6:45 PM Weather Forecast Update

Latest on the snowfall ahead.

Posted: Dec 15, 2019 5:37 PM
Updated: Dec 15, 2019 7:11 PM

Two rounds of snowfall now to Monday night........

Round 1:

Snow is reaching the ground now in our southwest & will continue to overspread the area over the next few hours.

Band in southern Indiana has produced isolated thundersnow & very heavy snow with visibility down to 0.15 miles.

All of the snow from Missouri to Indiana is moving east-northeastward.

Note the low-level jet developing in southwest Indiana to Arkansas feeding moisture northward.  Note the waves of the rainfall (rain down there) that shows the strong belt of winds at 5000' feeding in from the Gulf of Mexico.

Round #1 tonight to early Monday.........

Snow should be completely out of the viewing area by 7 a.m.

Some brief sleet/freezing rain may mix in with the snow in the far southeast later tonight.

Totals by Monday 7 a.m............

Newton, Jasper, Pulaski, Fulton Co. 1-2"....

Benton, White, Carroll, Cass, Miami Co. 1.5-2.5"...

Warren, Tippecanoe, Clinton, Howard Co. 2-4"...

Fountain, Montgomery Co. 3-6"...

Round #2:  Monday late afternoon-night....ending completely by 3 a.m.

A bit of sleet may mix in the far southeast, otherwise it looks like all snow.

Totals by Monday late to Monday night............

Newton, Jasper, Pulaski, Fulton Co. Trace-0.3"....

Benton, White, Carroll, Cass, Miami Co. 0.2-0.6"...

Warren, Tippecanoe, Clinton, Howard Co. 0.6-1.2"...

Fountain, Montgomery Co. 1-2.3"...

TOTAL FOR TWO ROUNDS ADDED UP TOGETHER:

Newton, Jasper, Pulaski, Fulton Co. 1-2.2"

Benton, White, Carroll, Cass, Miami Co. 1.7-2.8"...

Warren, Tippecanoe, Clinton, Howard Co. 2.2-4.3"...(higher end in southern Clinton Co.)

Fountain, Montgomery Co. 3.8-7"...

Winds may gust up to 25 mph overnight & then again tomorrow midday-afternoon from the northeast.  This may cause some blowing & drifting.

A period of gusts 25-35 mph may occur late tomorrow night from the north to north-northwest just as the snow will be in the process of winding down & then a few hours after.

This will lead to some blowing & drifting snow.

Tuesday night-early Wednesday also look gusty from the north to north-northwest up to 32 mph, leading to blowing & drifting snow.  Wind chills will drop below 0.

Also, actual air temperatures may drop to near, if not below 0 Wednesday &/or Thursday morning as winds diminish.

Meanwhile, severe weather outbreak will take shape across a good chunk of the South tomorrow-tomorrow night.  This will rob the system of some moisture, especially the second round, cutting snowfall totals slightly.  They would be higher if not for this & the flooding rainfall event as far north as Kentucky.

Article Comments

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Cold Today, but Warming Temps Over the Weekend.
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