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Premium This Weekend in Colorado Weather: Finally turning warmer but not necessarily drier

Yesterday’s shortwave disturbance brought widespread rain across the Front Range, with Boulder recording around 0.4 inches, pushing May’s total above 4 inches—about an inch above normal. Satellite imagery this morning shows that yesterday's rambunctious shortwave has pushed off to the south, with drier air infiltrating the area from the north at the mid-levels. This will spell out drier weather today, …

BoulderCAST Daily – Wed 05/28/25 | Widespread thundershowers as a disturbance drops through, some severe southeast of Denver

Happy Wednesday, everyone! May is typically Boulder’s wettest month of the year, and this week is proving no exception. For the fifth consecutive day, rain is expected to make an appearance in Boulder as a shortwave disturbance moves from north to south across the region. This feature is visible in this morning’s GOES-East water vapor imagery as an east-west-oriented trough axis …

Premium BoulderCAST Daily – Tue 05/27/25 | More storms later today, a better chance on Wednesday

Holiday weekend rainfall totals range from 0.5 to 3.0"" across the Front Range, with fairly high variability due to the sporadic nature of the storm cells each afternoon. Boulder's official total was 1.10", while Denver (DIA) recorded 1.85". A stagnant weather pattern is set to unfold across the western United States for the rest of the week. While there will …

Premium BoulderCAST Daily – Sun 05/25/25 | Heavy rainfall possible through tonight

Anomalous moisture will continue to increase today as a slow moving area of low pressure advances eastward into the western part of the state and portions of Utah and Wyoming. Moisture in the column will increase to levels of 3 or more standard deviations above average for late May. That will fuel another day of showers and scattered storms. The …

Premium BoulderCAST Daily – Sat 05/24/25 | Isolated to scattered showers and storms later today, some being severe

What a difference 24 hours makes. If you will be up early this morning, you'll notice quite the different picture compared to yesterday. A cold front has pushed through. Behind it, moist upslope is in place and has developed low cloud cover across the Front Range and lower Foothills, as shown below. Some morning mist or drizzle is possible but …

Premium BoulderCAST Daily – Fri 05/23/25 | Warmest day perhaps of the next seven days to close out the week

The week closes out with some of the warmest temperatures perhaps for the next 7 days. A hot ridge will be in place for our Friday. A trough over California will advance east this weekend, ending the warm stretch and bringing unsettled weather for the holiday weekend. Temperatures anomalies in the lower atmosphere approach around 3 to 4 standard deviations …

Premium BoulderCAST Daily – Wed 05/21/25 | A bit warmer & windier today, rain chances increase for the holiday weekend

Today will play out a lot like yesterday, except it will be a few degrees warmer and the winds a few ticks stronger. Infrared satellite imagery shows the continued flow across the area from the west-northwest this morning. There are a few spotty clouds around now, and that will remain the case through the day, but no rain is to …

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