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Forecast details for the Tue/Wed weak storm system

Apr 6, 2026, 8:22 AM

04/06/26 8am. Morning, its Monday. We do have a little bit of weather to talk about over the next several days. Models show a weak short-wave that will pass over southern CO tomorrow afternoon / evening and this will produce some rain/snow showers in spots.

First for today: Sunny and warm over northern CO (Den/Bou and the front-range, etc). But then some cooler air (a weak cold-front) and some wind will move in this evening noting major (but will be a bit chillier later today).

A bit of moisture moves into southern CO this afternoon. So best chances for a few rain/snow showers will be over southwest CO (San Juans to SLV to Sangres): 2pm-10pm (some snow above 11k ft).

Then for tomorrow a better chance for some rain showers (and snow showers up high) across much of the north-central and south-central mountains from 2pm-11pm Tue.

Best coverage of showers on Tue will be from I-70 south and over southern CO (San Juans to Sangres again).

In parts of the San Juans and Sangres, there could be 1-4" of new snow above 11k ft by Wed am.

For the north-central mountains / I-70 mountain corridor there could be a Trace-2" above 11k ft by Wed am.

For Den/Bou and the front-range a chance for some isolated to scattered rain showers and weak thunderstorms from 3pm-9pm Tue, best chances from the Palmer Divide south and in the foothills (won't be much actual rain for Den/Bou,).

Looking ahead:

Another backdoor cold-front for the eastern plains and front-range on Wed afternoon and that could produce a few rain showers not much.

It will be windy on Wed afternoon, especially in the front-range mountains and foothills 12pm-9pm Wed: westerly wind-gusts of 40-80 mph.

More showers possible on Thu afternoon and Fri afternoon (but not looking like anything too major). Maybe another weak cool front for the front-range on Thu evening.

Best chances for rain/snow across the state will show up this weekend, from about 6pm Sat through 12pm Sun. There could be some minor snow accumulation in the mountains during that time-frame (1/2" to 3" in spots).

Some rain showers for Den/Bou and the front-range on Sat evening into Sun am

Looking ahead, likely a more significant and colder storm system impacting the state for next Mon/Tue (04/13 to 04/14) with potentially some moderate snow accumulation for the mountains (and more rain for Den/Bou).

First image loop shows forecast radar over the next 60 hours (12am today through 12pm Wed) from latest NAM-3km model. Images 2 and 3 compare forecast total liquid precip and snowfall from now through 6am Wed from latest NWS Blend of Models, take exact amounts with grain of salt but shows where best chances for rain/snow will be Tue into Wed.

About Seth

About Seth

About Seth

Seth Linden combines professional expertise with a lifelong passion for weather forecasting.

A Colorado native and avid skier, Seth turned his early fascination with weather into a career, earning degrees in Physics and Atmospheric Science from CU Boulder. For over 25 years, he has worked at the National Center for Atmospheric Research (NCAR), where he develops winter weather decision support systems for Denver International Airport and state transportation departments.

He shares his forecasting expertise through the Seth's Weather Report Facebook group, specializing in winter storm predictions.


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