First Snow Fall 2024. The web page analyzes the latest seasonal forecast data and past trends to predict the winter weather patterns for the upcoming season. Noaa forecasts a near 70% chance of la niña persisting through winter 2024/25, which means cooler pacific ocean temperatures and more snow for the pnw.
Denver’s first snowfall usually occurs between september and november, however, the pinpoint weather team said this year’s first snowfall could be later than normal. In an abrupt change to the warm temperatures experienced so far this fall, calgarians are expected to get their first glimpse of snow come monday morning.