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WWUS45 KBOU 180956

WSWBOU



URGENT - WINTER WEATHER MESSAGE

National Weather Service Denver CO

356 AM MDT Fri Apr 18 2025



COZ031-033-034-182200-

/O.CON.KBOU.WW.Y.0022.000000T0000Z-250419T1200Z/

West Jackson and West Grand Counties Above 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-

Including the cities of Berthoud Pass, East Slopes Mosquito

Range, Mount Blue Sky, Laramie and Medicine Bow Mountains, Indian

Peaks, Williams Fork Mountains, East Slopes Southern Gore Range,

Winter Park, Mt Zirkel, Rabbit Ears Range, Cameron Pass, Willow

Creek Pass, Breckenridge, Eisenhower Tunnel, Rocky Mountain

National Park, and Kenosha Mountains

356 AM MDT Fri Apr 18 2025



...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT 

SATURDAY...



* WHAT...Snow. Additional snow accumulations between 4 and 12 inches.



* WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the 

  Medicine Bow Range, and The Mountains of Summit County, the 

  Mosquito Range, and the Indian Peaks.



* WHEN...Until 6 AM MDT Saturday.



* IMPACTS...Snow covered roads will make travel hazardous.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Roads will be slick resulting in slow and hazardous travel. Allow 

extra time to reach your destination.



If traveling to the mountains, be prepared for winter driving 

conditions. Check cotrip.org for road closures and traction laws.



&&



$$



COZ035-036-182200-

/O.CON.KBOU.WW.Y.0022.250418T1000Z-250419T1200Z/

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 Glendevey, Georgetown, Central City,

Evergreen, Red Feather Lakes, Nederland, Idaho Springs, Bailey,

Estes Park, and Westcreek

356 AM MDT Fri Apr 18 2025



...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT 

SATURDAY...



* WHAT...Snow expected. Total snow accumulations between 4 and 10 

  inches.



* WHERE...The Northern Front Range Foothills, and The Southern Front 

  Range Foothills.



* WHEN...Until 6 AM MDT Saturday.



* IMPACTS...Snow covered roads will make travel hazardous.



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.



Roads will be slick resulting in slow and hazardous travel. Allow 

extra time to reach your destination.



&&



$$



COZ037-182200-

/O.CON.KBOU.WW.Y.0022.250418T1500Z-250419T1200Z/

Central and Southeast Park County-

Including the cities of Lake George, Fairplay, South Park, and

Hartsel

356 AM MDT Fri Apr 18 2025



...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING 

TO 6 AM MDT SATURDAY...



* WHAT...Snow expected. Total snow accumulations between 4 and 8 

  inches.



* WHERE...South Park.



* WHEN...From 9 AM this morning to 6 AM MDT Saturday.



* IMPACTS...Snow covered roads will make travel hazardous.



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.



Roads will be slick resulting in slow and hazardous travel. Allow 

extra time to reach your destination.



&&



$$



COZ041-182200-

/O.CON.KBOU.WW.Y.0022.250418T2100Z-250419T1800Z/

Elbert/Central and East Douglas Counties Above 6000 Feet-

Including the cities of Elbert, Kiowa, Castle Rock, Larkspur, and

Fondis

356 AM MDT Fri Apr 18 2025



...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS 

AFTERNOON TO NOON MDT SATURDAY...



* WHAT...Snow expected. Total snow accumulations between 3 and 7 

  inches.



* WHERE...Castle Rock.



* WHEN...From 3 PM this afternoon to noon MDT Saturday.



* IMPACTS...Snow covered roads could make travel hazardous. The 

  hazardous conditions will impact the Friday evening commute.



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



RJK