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We continue to have the threat of banded snowfall today, similar to last night, as a series of slow-moving shortwave systems in the northwest flow interact with the upper-level jet over the region. Snow will continue to fall in the High Country as well. For us on the Plains, we are watching a second shortwave (below) to move through the …

Difficult forecast for banded snow this evening into tomorrow With the big trough that brought snow to the area Monday and Tuesday now across the Great Lakes, residual northwest flow has been lingering across the Rockies. This will again remain the situation today. Despite weak sinking motion across the entire area, the 500mb vorticity forecast map below shows two shortwave …

Staying cold! The final upslope flurries have ceased overnight with skies becoming partly cloudy after midnight. As a result, temperatures have dropped like a rock with most areas across the Plains near or slightly below zero this morning and well below zero in the Foothills. The freezing cold Arctic airmass is visible in the GFS 700mb temperature map for today …

As of 8AM, freezing drizzle is being reported across most of northeast Colorado from Denver northward. Webcams and radar also indicate some light snow falling across the Estes Park/Lyons area with colder air apparently already working into that region. Temperatures are in the low to middle 20's in Boulder and will continue to slowly drop through the day. Freezing drizzle …

Happy Groundhog Day AND Super Bowl Sunday All in One! If there is a Colorado Groundhog, he/she might be confused as we'll see both spring and winter seasons in one day! For the first half of the day today, we will continue to rise from our highs yesterday. An even warmer airmass builds in with southwest flow in full swing. …

The warmth begins!! Today starts a two-day stretch of well above average temperatures for early February. We begin the month on a warm note, but will quickly turn back to winter come after Super Bowl Sunday. But for today, below shows the 700 mb (5,000 feet up) winds and heights across the U.S. West. Strong downslope flow over much of …

We end the week and the month of January with warmer temperatures knocking on the doorstep. Today essentially sums up what our January has been like: warm and dry! Below shows the 700 mb temperature anomalies today across the western U.S. Note all the red shading stretching from the Pacific Ocean into the Upper Midwest. The ridge of high pressure …