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Several inches of snow in this weekend’s forecast

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Data pix.

ST. LOUIS, Mo. — Have you heard? There is snow in the forecast for late Friday into the weekend.

Confidence in a pretty significant accumulating snow (greater than 3") continues to grow today as most of my key indicators are still favorable for winter weather starting late Friday afternoon and lasting through at least Saturday evening...with some potential to linger into Sunday.

The precipitation will spread in from the southwest Friday, and will likely start as a mix of rain, sleet and snow. However, precipitation will be falling into fairly dry surface air which will result in evaporative cooling and a pretty rapid transition to all snow for most of the area. Snow will be pretty intense Friday evening into Friday night which is when a good portion of the forecast accumulations will occur. However, additional snow, although lighter in intensity, is expected to continue through the day Saturday, and possibly last all the way into Sunday, before winding down.

I believe the storm totals (Friday through Sunday morning) will range from 4-8" across the entire viewing area. There is some potential for higher amounts if the snow intensity picks up a bit more Saturday night, as some data suggests.

Temperatures will be in the 20's to low 30's for the entire event but winds will not be all that strong. Blowing and drifting do not appear to be a major concern at this time.

Overall, this has the potential to be a moderate to high impact winter weather event that impacts travel over a large area of Missouri and Illinois this weekend.

See the current weather radar here.

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