NZUS99 KBOU 272115 OPUAPA Developmental Probabilistic Snow Accumulation Forecast (APA) National Weather Service Denver/Boulder, Colorado 1515 MDT Monday, October 27, 2025 -------------------------------------------------------------------------------- This developmental product contains the probabilities (%) that the given snow amounts (inches) will occur at Centennial Airport during the respective 3 hour or 12 hour periods. The probabilities indicate the amount of snow that is expected to accumulate on runways and other concrete surfaces at APA. [T (trace) means more than zero.] -------------------------------------------------------------------------------- Discussion (27/18-28/18 MDT): No snow expected. There will be a chance of rain showers late this afternoon through the early evening hours. Any snow showers my mid evening will likely remain southeast of the airport before the showers end. 0" T or 1" or 3" or 10" or Day/Hour MDT more more more more -------------------------------------------------- 27/18-27/21 | 95 5 0 0 27/21-28/00 | 95 5 0 0 28/00-28/03 | 100 0 0 0 28/03-28/06 | 100 0 0 0 27/18-28/06 | 0 28/06-28/09 | 100 0 0 0 28/09-28/12 | 100 0 0 0 28/12-28/15 | 100 0 0 0 28/15-28/18 | 100 0 0 0 28/06-28/18 | 0 0" T or 1" or 3" or 10" or Day/Hour MDT more more more more -------------------------------------------------- 28/18-28/21 | 100 0 0 0 28/21-29/00 | 100 0 0 0 29/00-29/03 | 100 0 0 0 29/03-29/06 | 100 0 0 0 28/18-29/06 | 0 29/06-29/09 | 100 0 0 0 29/09-29/12 | 100 0 0 0 29/12-29/15 | 100 0 0 0 29/15-29/18 | 100 0 0 0 29/06-29/18 | 0