Jul 11, 2013 8:11 AM by Stephen Bowers
For rain to form, we need two things. We need water vapor (moisture) in the air, and the deeper that moisture extends into the atmosphere the better. We also need rising motion in the atmosphere, which cools the humid air and condenses the water vapor into the water droplets that make up clouds and ultimately rain.
Today, the water vapor is present in the layer of the atmosphere closest to the ground. Well above the ground, that moisture is much less abundant. The only rising motion today will be generated by the upslope breeze that develops this afternoon. Most of today's rain is likely to fall in the mountains, though a few showers could escape the grip of the mountains late this afternoon and early this evening. That's especially true on the Palmer Divide near Colorado Springs.
With less rain around, we will also be warmer today as compared to yesterday. Highs will be in the upper 80's and lower 90's on the Palmer Divide, including Colorado Springs. Along and south of the Arkansas River, including Pueblo and Cañon City, most areas will warm into the mid-to-upper 90's. Some locations in the Southeastern Plains will warm to near 100.