Heat Advisory issued June 20 at 2:12AM MDT until June 21 at 6:00PM MDT by NWS Denver CO
* WHAT...High temperatures near 100 degrees across the I-25 Urban Corridor, and up to 104 across the eastern plains. * WHERE...All of the I-25 Urban Corridor, northeast and east central plains of Colorado. * WHEN...The worst heat will be from 11 AM to 6 PM MDT both Friday and Saturday. * IMPACTS...Hot temperatures may cause heat related illnesses.
Heat Advisory issued June 19 at 4:34AM MDT until June 21 at 6:00PM MDT by NWS Denver CO
* WHAT...High temperatures near 100 degrees across the I-25 Urban Corridor, and up to 103 across the eastern plains. * WHERE...All of the I-25 Urban Corridor, northeast and east central plains of Colorado. * WHEN...The worst heat will be from 11 AM to 6 PM MDT both Friday and Saturday. * IMPACTS...Hot temperatures may cause heat related illnesses.
Air Quality Alert issued June 18 at 4:10PM MDT by NWS Denver CO
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 Wednesday June 18 to 400 PM Thursday June 19 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Ozone is expected to be in the Good to Moderate range on Wednesday. However, hot, sunny, and stagnant weather will allow ozone to reach the Unhealthy for Sensitive Groups category on Thursday. The highest ozone concentrations are expected in southern and western portions of the Denver
Special Weather Statement issued June 14 at 8:34PM MDT by NWS Denver CO
At 834 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 8 miles south of Westplains to 6 miles east of Adena School, or extending from 17 miles northwest of Sterling to 9 miles southeast of Fort Morgan, moving east at 25 mph. HAZARD...Wind gusts of 50 to 55 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Sterling, Akron, Brush, Merino, Hillrose, Prewitt Reservoir, Willard, Atwood, Logan Corners, Pawnee Pass, Snyder, Midway, North Sterling Reservoir
Severe Thunderstorm Warning issued June 13 at 8:40PM MDT until June 13 at 8:45PM MDT by NWS Denver CO
The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 1000 PM MDT Friday for a portion of northeast Colorado.
Flood Advisory issued June 2 at 12:35PM MDT until June 3 at 6:00PM MDT by NWS Denver CO
...The National Weather Service in Denver has issued a Flood Advisory for the following rivers in Colorado... Colorado River above Grand Lake affecting Grand County. .Moderate to heavy rain Monday afternoon into Tuesday morning will fall on a primed snowpack leading to additional runoff. Flows in rivers may increase quickly and produce minor lowland flooding. * WHAT...Flooding caused by rain and snowmelt is expected. * WHERE...Colorado River above Grand Lake. * WHEN...From this evening to Tuesday evening. * IMPACTS...At 7.6 feet, Water begins to impact low lying areas along the river. At 7.7 feet, Approaches to foot bridges and trails
Flood Watch issued June 1 at 12:58PM MDT until June 3 at 5:00PM MDT by NWS Denver CO
...The Flood Watch continues for the following rivers in Colorado... Colorado River above Grand Lake affecting Grand and Summit Counties Below 9000 Feet and South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet zones. .Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding is possible. * WHERE...Colorado River above Grand Lake. * WHEN...From Monday evening to Tuesday afternoon. * IMPACTS...At 7.7 feet, Approaches to foot bridges and trails along and crossing the river are flooded. At 8.0 feet, Considerable lowland
Flood Watch issued May 31 at 1:54PM MDT until June 3 at 6:00PM MDT by NWS Denver CO
...Flood Watch continues for the following river... Colorado River above Grand Lake affecting Grand County. .Heavy rain Monday afternoon into Tuesday morning may fall on a primed snowpack leading to additional runoff. Flows in rivers may increase quickly and produce minor flooding. * WHAT...Flooding is possible. * WHERE...Colorado River above Grand Lake. * WHEN...From Monday afternoon to Tuesday evening. * IMPACTS...At 8.0 feet, Considerable lowland flooding occurs with trails and foot bridges along and crossing the river flooded. * ADDITIONAL DETAILS... - At 1:15 PM MDT Saturday the stage was 6.6 feet. - Forecast...Flood stage may be reached Monday evening.
Flood Watch issued May 30 at 11:35AM MDT until June 3 at 6:00PM MDT by NWS Denver CO
...The National Weather Service in Denver has issued a Flood Watch for the following rivers in Colorado... Colorado River above Grand Lake affecting Grand County. .Heavy rain Monday evening into Tuesday Morning may fall on a primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding is possible. * WHERE...Colorado River above Grand Lake. * WHEN...From Monday afternoon to Tuesday evening. * IMPACTS...At 8.0 feet, Considerable lowland flooding occurs with trails and foot bridges along and crossing the river flooded. * ADDITIONAL DETAILS... - At 11:15 AM MDT Friday the stage
Dense Fog Advisory issued May 27 at 1:43AM MDT until May 27 at 9:00AM MDT by NWS Denver CO
* WHAT...Widespread fog with areas of dense fog and visibility one quarter mile or less. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Greeley, and Byers. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.