Keystone, CO Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Keystone.

Use the Radar Maps link provided to understand the trajectory of a storm.

Winter Storm Warning issued November 27 at 11:43AM MST until November 27 at 12:00PM MST by NWS Grand Junction CO

Winter weather conditions have improved and no longer pose a threat. Light snow showers continue to be possible through this evening.

Winter Weather Advisory issued November 27 at 11:43AM MST until November 27 at 12:00PM MST by NWS Grand Junction CO

Winter weather conditions have improved and no longer pose a threat. Light snow showers continue to be possible through this evening.

Winter Storm Warning issued November 27 at 11:43AM MST until November 27 at 5:00PM MST by NWS Grand Junction CO

* WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...Northwest San Juan Mountains and Southwest San Juan Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes.

Winter Storm Warning issued November 27 at 11:43AM MST until November 27 at 5:00PM MST by NWS Grand Junction CO

* WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...Elkhead and Park Mountains and Flat Tops. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes.

Winter Storm Warning issued November 27 at 11:43AM MST until November 27 at 5:00PM MST by NWS Grand Junction CO

* WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...Uncompahgre Plateau and Dallas Divide. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes.

Winter Storm Warning issued November 27 at 11:43AM MST until November 27 at 5:00PM MST by NWS Grand Junction CO

* WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...Grand and Battlement Mesas. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes.

Avalanche Warning issued November 27 at 8:04AM MST by NWS Denver CO

AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...AVALANCHE WARNING IN EFFECT THROUGH WEDNESDAY... *WHAT...Heavy snowfall and strong winds resulting in very dangerous avalance conditions with avalanches running naturally and avalanches that are very easy to trigger by people recreating on steep slopes in the backcountry. *WHERE...Summit County mountains and portions of the Front Range including Berthoud Pass *WHEN...through Wednesday *IMPACTS...Large and dangerous avalanches will be very easy to trigger in many places. Avalanches will release naturally. *PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended in the mentioned areas. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 2:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 35 mph. * WHERE...Southern El Paso, Western/Central Fremont County Below 8500 Feet, and Canon City Vicinity/Eastern Fremont County. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute.

Winter Storm Warning issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations 3 to 6 inches. Winds gusting as high as 45 mph. * WHERE...Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, and Eastern San Juan Mountains Above 10000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow expected. Total snow accumulations 2 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Wet Mountain Valley, Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet, and Trinidad Vicinity/Western Las Animas County Below 7500 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations 1 to 3 inches. * WHERE...Central Chaffee County Below 9000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. * WHERE...Leadville Vicinity/Lake County Below 11000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 35 mph. * WHERE...Northern El Paso. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute, especially over Monument Hill on I-25.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 3 and 6 inches. Winds gusting as high as 45 mph. * WHERE...Saguache County West of Continental Divide Below 10000 Feet, Northern Sangre de Cristo Mountains Between 8500 and 11000 Feet, and Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. * WHERE...Teller County and the Rampart Range including Pikes Peak. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Storm Warning issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Western Mosquito Range/East Lake County Above 11000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Wet Mountains between 6300 and 10000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Storm Warning issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 40 mph. * WHERE...Western Chaffee County Between 9000 and 11000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. * WHERE...Northwestern Fremont County Above 8500 Feet and Western Mosquito Range/East Chaffee County Above 9000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Storm Warning issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow. Additional snow accumulations between 5 and 10 inches. Winds gusting as high as 55 mph. * WHERE...Northern Sangre de Cristo Mountains Above 11000 Feet and Southern Sangre de Cristo Mountains Above 11000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Wednesday morning and evening commutes. Strong winds could cause extensive damage to trees and power lines.

Winter Storm Warning issued November 27 at 4:10AM MST until November 27 at 5:00PM MST by NWS Pueblo CO

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Wet Mountains Above 10000 Feet. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 3:15AM MST until November 27 at 2:00PM MST by NWS Denver CO

* WHAT...Snow. Additional snow accumulations up to 2 inches possible. * WHERE...Boulder and the western suburbs of Denver, and Denver. * WHEN...Until 2 PM MST this afternoon. Heaviest and most persistent early this morning, coinciding with the morning commute. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute.

Winter Weather Advisory issued November 27 at 3:15AM MST until November 27 at 5:00PM MST by NWS Denver CO

* WHAT...Snow. Additional snow accumulations of up to 3 inches possible, primarily in Summit County and eastern portions of Grand County. * WHERE...Grand and Summit Counties Below 9000 Feet. * WHEN...Until 5 PM MST this afternoon. Heaviest and most persistent this morning. * IMPACTS...Plan on slippery road conditions.

Winter Storm Warning issued November 27 at 3:15AM MST until November 27 at 5:00PM MST by NWS Denver CO

* WHAT...Snow. Additional snow accumulations between 1 and 4 inches. * WHERE...The Front Range mountains and Park and Gore Ranges, including Rabbit Ears Pass, Rocky Mountain National Park, the Medicine Bow Range, the mountains of Summit County, the Mosquito Range, and the Indian Peaks Wilderness. * WHEN...Until 5 PM MST this afternoon. Heaviest and most persistent this morning. * IMPACTS...Travel could be very difficult at times.

Winter Weather Advisory issued November 27 at 3:15AM MST until November 27 at 5:00PM MST by NWS Denver CO

* WHAT...Snow. Additional snow accumulations between 2 and 6 inches. * WHERE...The Southern Front Range Foothills, and Castle Rock. * WHEN...Until 5 PM MST this afternoon. Heaviest and most persistent this morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 27 at 3:15AM MST until November 27 at 5:00PM MST by NWS Denver CO

* WHAT...Snow. Additional snow accumulations of up to 3 inches possible, primarily in the Boulder County foothills. * WHERE...The Northern Front Range Foothills. * WHEN...Until 5 PM MST this afternoon. Heaviest and most persistent this morning. * IMPACTS...Plan on slippery road conditions.

Avalanche Warning issued November 26 at 8:27PM MST by NWS Denver CO

AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...AVALANCHE WARNING IN EFFECT THROUGH THURSDAY 5 PM... *WHAT...Heavy snow and strong winds are resulting in very dangerous avalanche conditions and HIGH (Level 4 of 5) avalanche danger *WHERE...West Elk Mountains *WHEN...Very dangerous avalanche conditions through Thursday *IMPACTS...Large and dangerous avalanches will be very easy to trigger in many places. Avalanches will run naturally. *PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended in the mentioned areas. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche

Avalanche Warning issued November 26 at 8:18PM MST by NWS Denver CO

AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...AVALANCHE WARNING IN EFFECT THROUGH WEDNESDAY 5 PM... *WHAT...Heavy snow and strong winds are resulting in very dangerous avalanche conditions and HIGH (Level 4 of 5) avalanche danger. *WHERE...Park Range, Flat Tops, Gore Range, Indian Peaks, Sawatch Range, Elk Mountains, western San Juan Mountains, southern San Juan Mountains *WHEN...Very dangerous avalanche conditions through Wednesday. *IMPACTS...Large and dangerous avalanches will be very easy to trigger in many places. Avalanches will run naturally. *PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended in the mentioned areas. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche

Avalanche Warning issued November 26 at 5:26PM MST by NWS Denver CO

AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...AVALANCHE WARNING IN EFFECT 5 PM TUESDAY UNTIL 5 AM THURSDAY... *WHAT...Heavy snow and strong winds will result in very dangerous avalanche conditions and a HIGH (Level 4 of 5) avalanche danger *WHERE...Flat Top Mountains, Grand Mesa, and Elk Mountains including the West Elks and Ragged Range *WHEN...Expect very dangerous avalanche conditions to develop on Tuesday evening and last through Wednesday *IMPACTS...Large and dangerous avalanches will be very easy to trigger in many places. Avalanches will run naturally. *PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended during the Warning period. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche

Avalanche Warning issued November 26 at 5:18PM MST by NWS Denver CO

AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...AVALANCHE WARNING IN EFFECT 5 PM TUESDAY UNTIL 5 PM THURSDAY... *WHAT...Heavy snow and strong winds will result in very dangerous avalanche conditions and a HIGH (Level 4 of 5) avalanche danger. The avalanche danger is EXTREME (Level 5 of 5) in the southern San Juan Mountains *WHERE...San Juan Mountains and Sangre de Cristo Range *WHEN...Expect very dangerous avalanche conditions to develop on Tuesday evening and last through Thursday *IMPACTS...Large, dangerous, and destructive avalanches will be very easy to trigger in many places. Avalanches will run naturally. Avalanches will run long distances into valley bottoms. *PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended during the Warning period. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche

Avalanche Warning issued November 25 at 4:55PM MST by NWS Denver CO

AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...AVALANCHE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY... *WHAT...Heavy snowfall and strong winds will build thick slabs of snow on a very weak snowpack. Very dangerous avalance conditions will develop with avalanches running naturally and avalanches that are very easy to trigger by people recreating on steep slopes in the backcountry. *WHERE...West Elk Mountains, Southern Sawatch Range around Monarch Pass *WHEN...Tuesday afternoon through Wednesday *IMPACTS...Large and dangerous avalanches will be very easy to trigger in many places. Avalanches will release naturally. *PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended in the mentioned areas. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche