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Rocky Mountain National Park

Flood Advisory issued July 21 at 4:56PM MDT until July 21 at 8:00PM MDT by NWS Denver CO

4:56 PM — 8:00 PM

* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...West Central Larimer County in north central Colorado... * WHEN...Until 800 PM MDT. * IMPACTS...Rises in small streams and normally dry creeks. * ADDITIONAL DETAILS... - At 453 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This may cause small stream flooding. Between 0.5 and 1 inch of rain has fallen. - This includes the following streams and drainages... Rawah Creek, Sheep Creek, North Fork Rawah Creek, Camp Creek, Nunn Creek, Laramie River, Joe Wright Creek, Deadman Creek, Two and One Half Creek, Brinker Creek and North Fork West Branch Laramie River. Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Mainly rural areas of West Central Larimer County.

Air Quality Alert issued July 21 at 4:10PM MDT by NWS Denver CO

4:10 PM — July 22nd, 4:00 PM

The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Tuesday July 21 to 400 PM Wednesday July 22 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and sunny weather with limited chances for afternoon storms will allow ozone concentrations to reach the Unhealthy for Sensitive Groups category on Tuesday and Wednesday. On Tuesday elevated ozone is possible in the Denver Metro area, Fort Collins, Greeley, and surrounding areas. On Wednesday the highest ozone is expected to be confined to locations within the Denver Metro area. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Wednesday, July 22, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.

Roosevelt National Forest

Wheeled Vehicles in Wilderness

This order describes the prohibition of wheeled vehicles in all National Forest Wilderness Areas of the Rocky Mountain Region and any exceptions thereof.

Overview

Rocky Mountain National Park is open year-round, covering 415 square miles (265,807 acres) in Colorado with over 300 miles of hiking trails. The park is currently in its winter season (late November through May). Trail Ridge Road, the iconic high-altitude route, officially closed for winter on November 14, 2025, and typically remains closed until late May. It's closed at Many Parks Curve on the east side and Colorado River Trailhead on the west side. However, several scenic drives remain accessible including Bear Lake Road, Endovalley Road, and portions of Trail Ridge Road to Hidden Valley and Many Parks Curve. For winter camping, Moraine Park Campground is open on a first-come, first-served basis (no reservations) with limited amenities and no running water. Wilderness camping permits are available year-round for $36 per trip. The park has seasonal raptor closures in effect at certain climbing areas (February 15-July 31) to protect nesting raptors. Winter visitors should be prepared for snow, ice, drifting conditions, high winds, and below-freezing temperatures, especially above 10,000 feet. No timed entry reservations are required during winter. The park's Information Office operates on reduced winter hours: 8am-4pm Monday-Friday and 8am-12pm Saturday-Sunday. For current conditions, call 970-586-1206 or check Trail Ridge Road status at 970-586-1222.

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