WWUS45 KBOU 051723 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1023 AM MST Thu Mar 5 2026 COZ033-034-060700- /O.CON.KBOU.WS.W.0004.260306T0700Z-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, Breckenridge, East Slopes Southern Gore Range, Williams Fork Mountains, East Slopes Mosquito Range, Rocky Mountain National Park, Eisenhower Tunnel, Indian Peaks, Winter Park, Mount Blue Sky, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Kenosha Mountains, Berthoud Pass, and Cameron Pass 1023 AM MST Thu Mar 5 2026 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 14 inches, with the heaviest snow expected from Rocky Mountain NP southward. Winds gusting as high as 40 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From midnight tonight to midnight MST Friday Night. * 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. && $$ COZ041-060700- /O.EXB.KBOU.WW.Y.0010.260306T1300Z-260307T0700Z/ Elbert/Central and East Douglas Counties Above 6000 Feet- Including the cities of Fondis, Castle Rock, Larkspur, Kiowa, and Elbert 1023 AM MST Thu Mar 5 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with the heaviest snow south of Castle Rock. Winds gusting as high as 40 mph. * WHERE...Castle Rock, Elizabeth, Larkspur. * WHEN...From 6 AM Friday to midnight MST Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ030-032-037-060700- /O.EXA.KBOU.WW.Y.0010.260306T0700Z-260307T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Dillon, Rand, Gould, North Park, Walden, Spicer, Granby, Kremmling, Hartsel, Grand Lake, South Park, Fairplay, Fraser, Lake George, and Hot Sulphur Springs 1023 AM MST Thu Mar 5 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 7 inches. * WHERE...North Park, Middle Park, and South Park. * WHEN...From midnight tonight to midnight MST Friday Night. * IMPACTS...Travel could be very difficult at times. 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. && $$ COZ031-060700- /O.CON.KBOU.WW.Y.0010.260306T0700Z-260307T0300Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 1023 AM MST Thu Mar 5 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 9 inches. * WHERE...Rabbit Ears Pass. * WHEN...From midnight tonight to 8 PM MST Friday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ COZ035-036-060700- /O.CON.KBOU.WW.Y.0010.260306T0700Z-260307T0700Z/ 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- Including the cities of Central City, Georgetown, Glendevey, Evergreen, Estes Park, Nederland, Westcreek, Bailey, Idaho Springs, and Red Feather Lakes 1023 AM MST Thu Mar 5 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 9 inches for the northern foothills, and 5 to 12 inches for the southern foothills. * WHERE...The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From midnight tonight to midnight MST Friday Night. * IMPACTS...Travel could be very difficult. 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