Tuesday October 5, 2021 Forecast First


Clouds and rain chances are building across the region and cooler temperatures are onboard!

Two different aspects of essentially the same storm system. First we have to acknowledge the Pacific Northwest cold front advancing toward the region with a passage expected by Saturday. That in and of itself represents cooler temperatures and rain chances for the Friday and Saturday period for all areas. This will also include mountain snow (above 10-11K feet). As this system has been advancing across the western third of the United States, it has allowed another cut off low pressure system situated to our southwest to lift through the region ahead of it. That low represents our midweek rain chances and it should begin late Tuesday and early Wednesday. All models indicate a post midnight round of rain showers moving through the region with impacts locally (GJ, Montrose) occurring just before/around sunrise. A quick round of rain showers for the lower elevation looks likely early Wednesday morning with just scattered and isolated storm cells popping up during the afternoon. The late day pops are associated with the exit mode of this system and will need the sunshine to get going in the afternoon hours. This should be a short-lived rain event that will cool us down to the seasonal averages (low 70s) on Wednesday. Thursday will be a better day with more sunshine, calmer conditions and little to no rain showers. Consider this an in-between day before the arrival of more unsettled weather for the end of this week and the upcoming weekend. There is also a more impactful storm system expected for the middle of next week. This next round will have more rain, mountain snow and colder temperatures.

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