Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
059 FLUS45 KBOU 211638 HWOBOU Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1038 AM MDT Sat Sep 21 2024 COZ030>051-221645- Jackson County Below 9000 Feet- West Jackson and West Grand Counties Above 9000 Feet- Grand and Summit Counties Below 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Central and Southeast Park County- Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Elbert/Central and East Douglas Counties Above 6000 Feet- Northeast Weld County-Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Logan County-Washington County-Sedgwick County-Phillips County- 1038 AM MDT Sat Sep 21 2024 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight A storm system arrives by tonight, bringing numerous showers and a couple thunderstorms into the forecast area. The showers and storms will first develop over the mountains south of I-70 this afternoon, and then spread slowly north and east late this afternoon through the overnight. Additionally, areas above 9,000 feet will receive snow tonight into Sunday morning, with 3 to 8 inches of accumulation in the Front Range Mountains south of Rocky Mountain National Park and higher mountains in Summit County. Those traveling in the mountains along I-70 and US 40 should prepare for winter travel conditions and slick roads over the higher mountain passes. Rainfall amounts on most of the plains should range between a quarter and three quarters of an inch, with the heavier amounts favoring areas south and southeast of Denver. Much lighter precipitation will occur northward near the Wyoming border. .DAYS TWO THROUGH SEVEN...Sunday through Friday Scattered showers will linger through the first half of the day Sunday, with cool temperatures. Warmer and drier conditions are forecast for Monday, before a weak system brings a chance of showers Monday night into Tuesday. Dry conditions are forecast for the second half of the week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. Any reports of mountain snowfall will be appreciated. $$