In December, Utah and Wyoming experienced below to much-below normal precipitation, with record-dry conditions in western Utah and north-central Wyoming. Meanwhile, southern and eastern Colorado saw above to much-above normal precipitation. Regional temperatures were above to much-above normal with record-warm December temperatures recorded in western and northeastern Wyoming. Snowpack conditions were below to much-below normal across all river basins, and January 1st seasonal streamflow forecasts were below to much-below normal. Drought conditions slightly expanded, covering 15% of the region, and severe to extreme drought persists in southwestern Colorado. El Niño conditions continued during December and have a high probability of persisting through spring. The NOAA outlooks for January suggest an increased probability of above average precipitation and below average temperatures. Learn more:
wwa.colorado.edu/resources/intermountain-west-climate-dashboard#latest-briefing