WWUS45 KBOU 061501 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 801 AM MST Fri Mar 6 2026 COZ035-062215- /O.UPG.KBOU.WW.Y.0010.000000T0000Z-260307T0700Z/ /O.EXA.KBOU.WS.W.0004.000000T0000Z-260307T0700Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- Including the cities of Glendevey, Estes Park, Red Feather Lakes, and Nederland 801 AM MST Fri Mar 6 2026 ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Heavy snow. Additional snow accumulations between 3 and 9 inches, with the heaviest additional snow expected across the Boulder County foothills, and lower amounts in Larimer County. Winds gusting as high as 35 mph. * WHERE...The Northern Front Range Foothills. * WHEN...Until midnight MST tonight. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ033-034-062215- /O.CON.KBOU.WS.W.0004.000000T0000Z-260307T0700Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Willow Creek Pass, East Slopes Southern Gore Range, Laramie and Medicine Bow Mountains, Breckenridge, East Slopes Mosquito Range, Kenosha Mountains, Williams Fork Mountains, Mount Blue Sky, Eisenhower Tunnel, Winter Park, Indian Peaks, Cameron Pass, Rocky Mountain National Park, Rabbit Ears Range, and Berthoud Pass 801 AM MST Fri Mar 6 2026 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Heavy snow. Additional snow accumulations between 4 and 10 inches, heaviest south of Rocky Mountain National Park. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until midnight MST tonight. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ036-062215- /O.CON.KBOU.WS.W.0004.000000T0000Z-260307T0700Z/ Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Georgetown, Evergreen, Central City, Bailey, Westcreek, and Idaho Springs 801 AM MST Fri Mar 6 2026 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Heavy snow. Additional snow accumulations between 5 and 10 inches. * WHERE...The Southern Front Range Foothills. * WHEN...Until midnight MST tonight. * IMPACTS...Travel could be very difficult. Road closures are possible. The hazardous conditions will impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ030-032-037-062215- /O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Fairplay, Kremmling, North Park, Hot Sulphur Springs, Grand Lake, Spicer, Gould, Walden, Dillon, Fraser, Hartsel, Granby, Lake George, South Park, and Rand 801 AM MST Fri Mar 6 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow. Additional snow accumulations between 2 and 6 inches, with the heaviest additional snowfall in Park County. * WHERE...North Park, Middle Park, and South Park. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ031-062215- /O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0300Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 801 AM MST Fri Mar 6 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to 2 inches are possible. Winds gusting as high as 35 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 8 PM MST this evening. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ039-040-045-062215- /O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0300Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Central and East Adams and Arapahoe Counties- Including the cities of Golden, Boulder, Aurora, Parker, Byers, Longmont, Brighton, Deer Trail, Highlands Ranch, Leader, Lakewood, Littleton, City of Denver, Denver International Airport, Bennett, and Arvada 801 AM MST Fri Mar 6 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 35 mph. * WHERE...Boulder and the western suburbs of Denver, Denver, and Byers. * WHEN...Until 8 PM MST this evening. * IMPACTS...Plan on slippery and slushy road conditions at times. The hazardous conditions will impact the Friday morning and Friday late evening commutes. There will be periods of just wet roads, especially in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ041-062215- /O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0700Z/ Elbert/Central and East Douglas Counties Above 6000 Feet- Including the cities of Elbert, Fondis, Castle Rock, Kiowa, and Larkspur 801 AM MST Fri Mar 6 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow. Additional snow accumulations between 2 and 7 inches. Winds gusting as high as 40 mph. * WHERE...Castle Rock, Elizabeth, Larkspur. * WHEN...Until midnight MST tonight. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou BRQ