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Thornton, Colorado, USA
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Major winter storm set to impact Thornton’s weekend weather

Friday, March 12th, 2021 5:21am MST

Almost here… The much-anticipated winter storm we have been talking about all week is getting closer to Colorado. Friday will just be chilly and perhaps a bit damp but Mother Nature looks to deliver a wallop Saturday and Sunday. For today, the relative calm before the storm.

Cloudy skies will be above with some drizzle / light rain possible but nothing that will amount to much. Highs will top out around 40 degrees. Tonight, overnight lows drop to below freezing with chances for drizzle increasing. This may lead to some icy roads late tonight and early tomorrow.

Saturday morning the storm arrives and precipitation turns to snow. Moderate snowfall rates will be seen, particularly in the latter half of the day. Saturday night into Sunday morning is when the storm will be at its strongest and deliver its greatest accumulations.

The snow continues throughout the daytime hours Sunday then should begin to gradually ease in the late / afternoon evening.

A Winter Storm Warning will be in effect from 5:00am Saturday to 6:00am Monday. The National Weather Service forecasts 12 to 24 inches with the highest amounts to the west, closer to the foothills.

There remains some uncertainty about the track of the storm and that will be a key factor in snowfall totals. We do believe Thornton stands a decent chance of seeing totals in the 10 to 18-inch range, perhaps higher depending on how things play out.

We certainly would implore you to complete your storm preparations today and just plan on being holed up at home for the weekend.

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