Weather - Forecast

Aug 13, 2014 8:12 AM by Stephen Bowers

Wednesday Weather: Clouds Begin Building

Today is a transition day between weather patterns. The dry pattern that has been locked in is being punted away briefly to set us up for a soggy Thursday.

Colorado is quiet again this morning, though some clouds have started stacking up against the Western Slope. Our high pressure is still in place, but it will give up some ground this afternoon to allow moisture throughout the depth of the atmosphere to begin its return. Plenty of rain is setting up over Utah and Arizona. A disturbance over Arizona is creating more widespread rain. That's the disturbance that was over northwestern Mexico yesterday. It is still poised to move over Colorado tomorrow to set us up for rain and thunderstorms. That rain could be especially heavy in the mountains and could start as early as today. Flash Flood Watches have been posted for the increasing flash flood risk along and west of the Continental Divide.

Today will be another warm day with plenty of sunshine to start. By 10 AM we warm well into the 70's, and nearly everyone will be in the 80's by noon. Like yesterday a few showers and thunderstorms will bring rain to the high elevations west of I-25, but overall we will stay dry. Clouds will begin increasing this afternoon after about 3 PM. High temperatures will be in the 80's and 90's, and that's where we will spend much of the 2 PM to 5 PM time frame. Clouds will build even more tonight before showers and thunderstorms pick up in coverage and intensity tomorrow afternoon.

Tomorrow the upper level disturbance currently over Arizona will move across Colorado bringing rain. Temperatures take a bit of a drop. Some residual moisture combined with an afternoon upslope breeze will mean a few showers and thunderstorms on Friday, though they will not be as widespread as those on Thursday. Temperatures will warm again on Saturday and Sunday, and aside from an isolated thunderstorm or two the weekend looks dry. A weak disturbance looks to move through on Monday. Depending on available moisture, Monday's disturbance could mean another round of rain.

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