Colorado Winter Storm Watch | Effective 05/04/2026 12:16

Headline: 
Winter Storm Watch issued May 4 at 1:16PM MDT until May 6 at 3:00PM MDT by NWS Denver CO
Event: 
Winter Storm Watch
Urgency: 
Future
Effective: 
May 4, 2026 - 12:16pm
Expires: 
May 5, 2026 - 1:00am
Description: 
* WHAT...Heavy snow possible. Total snow accumulations between 3 and 8 inches possible, heaviest on colder surfaces and west of I-25. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, and Castle Rock. * WHEN...From Tuesday evening through Wednesday afternoon. Heaviest Tuesday night into Wednesday morning. * IMPACTS...Heavy wet snow will accumulate on tree branches and powerlines, possibly causing them to break and lead to power outages. Despite lesser accumulations on roadways, slick and hazardous conditions are still possible for the Wednesday morning commute.
Instruction: 
Monitor the latest forecasts for updates on this approaching storm.
Area Description: 
Larimer County Below 6000 Feet/Northwest Weld County; Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County; North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County; Elbert/Central and East Douglas Counties Above 6000 Feet
Forcast Office: 
NWS Denver CO
Sender: 
w-nws.webmaster@noaa.gov