DENVER — A potentially stormy system is expected to affect Colorado and the surrounding region from November 1 to 3. Forecasters have the most confidence in cooler weather and more mountain snow. There is also growing concern about renewed flooding in southwest Colorado. However, confidence is low on snow along the I-25 corridor, total amounts, and exact timing.
Three Big Questions: Track, Speed, and Strength
The forecast comes down to three main factors. The storm’s track will decide who gets rain and who gets snow. Its speed will determine how long the storm sticks around.
The storm’s strength will control how much precipitation and wind it brings. Forecast models have not yet agreed on any of these details. Until they do, specific numbers are mostly speculation.
Better Confidence in Cooler Weather and Mountain Snow
Forecasters are fairly confident that cooler air will spread across Colorado early next week. That will be a big change after a long stretch of mild weather. Highs and overnight lows are expected to drop noticeably.
Mountain snow also looks likely, especially in the San Juan Mountains. Earlier model data showed 1 to 2 feet or more of snow possible in the highest terrain there. Other mountain areas, including the Elk Mountains, could also see solid totals.
Renewed Flooding Concerns in Southwest Colorado
Southwest Colorado has already dealt with major flooding this month. Rivers near Pagosa Springs and along the Rio Grande rose sharply after heavy rain. Another round of heavy rain could cause new problems…