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Another wet one today! There are going to be two waves of rain today, with the first one having moved through earlier this morning. Below shows the mid-level trough pattern over the western U.S. The first wave, which brought off and on rain/storms overnight last night, has pushed into Wyoming and Nebraska and South Dakota.  This was connected to yesterday's …

The work week ends with severe weather We are tracking severe thunderstorms slated to move through the area starting this afternoon into early evening. This is all thanks to a deep and rather strong trough for this time of year (below) bringing in strong lift and advection of moisture. You may have felt the chilly air this morning on your way to …

Borderline hot today The brief calm period of weather across our region is coming to an end later today as a large trough of low pressure drops into the northern Rockies. This morning the trough is located along the border of western Montana and Canada. Before things go downhill however, we'll squeeze out one more fairly decent day in Boulder …

Drier, warmer, and breezy at times Today will be much more pleasant than the last few days thanks to mid and low-level winds turning westerly across the state of Colorado. The small-scale disturbance of yesterday is gone and downslope flow is helping to bring in a much warmer airmass that is lacking in moisture. You can see the set-up at …

One more soggy day Just about everyone got in on the thundershower activity that passed through the region yesterday afternoon and evening. As we warned, several severe storms formed generally east of Denver along with reports of minor street flooding in Boulder and Aurora due to the heavy downpours. The only official severe report in the immediate area was a 62 …

A slight change in the atmosphere today. The mid-level pattern (below) shows a weak area of low pressure over southern California. To its east-northeast, there are numerous shortwaves emanating over Utah and Colorado. This is slated to increase lift again this afternoon and early evening for scattered showers and storms. Highs will be similar to yesterday in the upper 70's …

It is hard to say if its a cold front, but definitely the airmass changed slightly from yesterday. Northeasterly winds have taken over (below) at the surface since last night - certainly a boundary moved through in the low to mid-levels. This is going to spell out a cooler day with highs in the upper 70's. We'll start out sunny …