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Winter Blog: Snow moves in tonight with a flash freeze potential for the roads

Overnight lows
Posted at 4:26 PM, Apr 19, 2021
and last updated 2021-04-20 00:40:04-04

A high-impact weather system will be moving through Colorado today and tonight. Strong winds, snow, and arctic air will work together to make travel very dangerous overnight and early Tuesday morning.

Follow this blog later today and tonight for forecast & real-time storm updates.

10:40 p.m. Winter Weather Advisories have been extended until 6 a.m. Tuesday. The advisory includes Teller County and El Paso County.

10:22 p.m. After seeing some dry air over the past hour in the Pikes Peak Region, latest check of the Radar shows more widespread snowfall.

9:30 p.m. Even as the snow comes to an end Tuesday morning, the cold will linger behind.

8:35 p.m. Snow is accumulating on I-25 in Monument, and road conditions are deteriorating quickly.

7:40 p.m. Here's our latest thinking on snowfall totals:

6:30 p.m. Snow is really expected to pick up over the Pikes Peak Region between 7-9 p.m. For Pueblo, we might see a rain/snow mix initially before it changes over to snow.

5:48 p.m. Main part of the storm is nearing the Pikes Peak Region. Expect worsening weather and road conditions between 8-10 p.m.

5:05 p.m. Winter Weather Advisories have been issued for El Paso & Teller counties. Snowfall rates in these areas could top 1-2" per hour.

4:40 p.m. Only light rain and snow showers so far in Southern Colorado. The main event is still more than a few hours away.

Quick Forecast:
Click here for the full, detailed forecast put together this morning by Meteorologist Sam Schreier.

A cold front swept across the state Monday morning as noted by increasing clouds over the Palmer Divide and strong north to northeast winds in the plains.


Snow will move south from Denver in the Pikes Peak Region around 6 pm tonight. Snow will then sweep south across the I-25 corridor and plains overnight with arctic air in its wake.

Overnight lows

Temperatures will drop into the teens and 20s overnight, so wet to snowy roads could quickly freeze into ice through the overnight hours.


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