DENVER (CBS4) – An uncommon storm system for August will transfer throughout Colorado although the top of the week bringing moisture and far cooler temperatures nearly statewide.
Earlier than the storm arrives, Denver and the Entrance Vary will expertise one other sizzling and hazy day on Wednesday with excessive temperatures effectively into the 90s. The file excessive temperature in Denver is 100 levels set on August 18, 2020 which is probably going protected however temperatures ought to get near the file with at the very least 97 levels within the metropolis.
After a chilly entrance forward of the storm arrives Wednesday night time, temperatures will drop at the very least 10 levels for Thursday and one other 5-10 levels on Friday with excessive temperatures struggling to achieve 80 levels in Denver.
By way of moisture, scattered showers and thunderstorms are seemingly on Western Slope by late Wednesday and a number of the rain could possibly be very heavy at instances together with over the Grizzle Creek burn scar adjoining to Glenwood Canyon.
The risk for heavy rain might prompt CDOT to close I-70 through the canyon by Wednesday night time. The canyon was closed for greater than 2 weeks earlier this month because of extreme injury from mudslides.
Areas simply west of Glenwood Springs had been already beneath a Flash Flood Watch by 12 a.m. Thursday and the watch is prone to be ultimately expanded east.
Many places on the Western Slope might recover from 1 inch of rain together with within the Glenwood Canyon space. The moisture is nice information from a drought potential (a lot of the Western Slope has excessive or distinctive drought) however the short-term heavy could possibly be an excessive amount of for the burn scars to soak up and due to this fact flooding, mud slides, and particles flows stays a critical concern.
It must also flip chilly sufficient above about 12,500 toes for rain to grow to be snow Thursday night time into early Friday morning. Any accumulation must be minor and restricted largely to the best peaks above 14,000 toes.
One of the best likelihood for showers and thunderstorms within the Denver metro space might be through the afternoon and night on Thursday though rain is feasible as early as Wednesday night time. Just a few thunderstorms primarily north and northeast of the Denver metro space may additionally be extreme Thursday afternoon with massive hail and/or damaging wind. This risk is highest for Larimer, Weld, Morgan, and Logan Counties together with Fort Collins, Greeley, Fort Morgan, and Sterling.
By Friday, a lot drier climate will return to most of Colorado however a small likelihood for remoted showers and thunderstorms will stay till Saturday when it must be dry nearly statewide. Temperatures may even begin warming again up over the weekend.
https://denver.cbslocal.com/2021/08/18/flooding-rain-severe-thunderstorms-mountain-snow-colorado-weather/ | Flooding Rain, Extreme Thunderstorms, And Mountain Snow On The Manner – CBS Denver