Weather Alerts For Columbine Valley, CO
Freeze Warning
-# HEADLINE -------------------- FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MDT SATURDAY # DETAILS -------------------- WHAT Prolonged sub-freezing temperatures dropping down into the 18 to 24 degree range. WHERE All of the Front Range Urban Corridor and northeast plains of Colorado. WHEN From 8 PM this evening to 8 AM MDT Saturday. IMPACTS If not drained or protected, damage to above ground irrigation lines will be likely. A hard freeze could kill sensitive vegetation and damage fruit trees. ISSUED AT Friday, April 17, 2026 at 2:46 PM MDT ISSUED BY National Weather Service Denver CO HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Disconnect water hoses. Drain above ground irrigation lines. Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Phillips County, Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County, Central and East Adams and Arapahoe Counties, Central and South Weld County, Elbert/Central and East Douglas Counties Above 6000 Feet, Larimer County Below 6000 Feet/Northwest Weld County, Logan County, Morgan County, North and Northeast Elbert County Below 6000 Feet/North Lincoln County, North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County, Northeast Weld County, Sedgwick County, Southeast Elbert County Below 6000 Feet/South Lincoln County, Washington County Including the cities of Fondis, Pawnee Buttes, Kiowa, Aurora, Grover, Hereford, Lakewood, Limon, Brush, Denver International Airport, Golden, Ovid, Hugo, Loveland, Longmont, Goodrich, Boulder, Wiggins, Otis, Larkspur, Stoneham, Briggsdale, Matheson, Peetz, Littleton, Crook, Parker, Amherst, Sedgwick, Leader, Last Chance, Raymer, Kutch, Karval, Fort Morgan, Akron, Brighton, Greeley, Forder, Punkin Center, City of Denver, Deer Trail, Elbert, Fort Lupton, Arvada, Cope, Nunn, Merino, Eaton, Sterling, Agate, Holyoke, Fort Collins, Roggen, Byers, Haxtun, Castle Rock, Julesburg, Bennett, and Highlands Ranch
Pollen Alert
-Pollen Index: 9.2 Pollen Level: medium-high Predominant Pollen: Elm, Oak and Maple. The pollen levels for Saturday will be on the increase in the high range. This results in part from rising temperatures, strong winds and lower relative humidity.