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It's a cooler day compared to our original forecast at the beginning of the week! What we originally thought would be middle 90's on this Friday will just not be the case. The map below shows the reason why. We have a weak surface trough over far southeastern Colorado. This is bringing in northeasterly upslope flow onto the Plains, along with …

Another warm and sunny day on tap today! The upper-ridge continues to build across the region, with a few degrees of warming over yesterdays high (which was 90 degrees in Boulder). Expect 100% sunshine, save a few sporadic cumulus across the higher terrain. Highs will be in the low 90's. Dry and hot weather continues. It's looking like both Saturday and …

The trough responsible for yesterdays severe storms and rain has pushed east of the region today. In it's relief, a shortwave ridge will build in across the region today. Notice the tiny upwards kink in the height lines across Colorado int the 500 mb map for 6pm today (shown below). After a few morning clouds today, the ridge's influence will …

Today's upper-level pattern has a stretched trough approaching Colorado from the west, with weak southwesterly flow set-up across the state. At the same time, across the low-levels, a cold front moves into northeast Colorado by late morning, bringing cooler northeasterly flow to the region. This upslope flow will help to solidify moisture content and enhance afternoon storms today. While coverage …

Increasing clouds with isolated afternoon thunderstorms, mostly across the Mountains and Foothills. Highs in the low 90's. Expect a slight cool down and a better chance of rain for Sunday.

Before we get into the forecast, just a recap of what happened yesterday. We officially reached 90 degrees at the Boulder Airport yesterday. At our BoulderCAST station, we reached 92 degrees. The high was 89 in Denver. However, late in the day, storms developed along the eastern High Country and western Foothills and drifted southeast into Boulder, where portions of the …

The weak trough that had been impacting the region the last few days has moved south and east of our area (seen below, over northeast New Mexico). Behind it, an elongated, narrow ridge will build in across eastern Colorado. This will help limit storm coverage and promote more sunshine across the region this afternoon. With more or less than same …