Severe Thunderstorm Watch — Jefferson County, Colorado
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 26 at 3:55PM MDT until August 26 at 11:00PM MDT by NWS Denver CO
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 629 IN EFFECT UNTIL 11 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN COLORADO THIS WATCH INCLUDES 13 COUNTIES IN EAST CENTRAL COLORADO ELBERT LINCOLN IN NORTH CENTRAL COLORADO LARIMER IN NORTHEAST COLORADO ADAMS ARAPAHOE BOULDER BROOMFIELD DENVER DOUGLAS JEFFERSON MORGAN WASHINGTON WELD THIS INCLUDES THE CITIES OF AKRON, ARVADA, AURORA, BOULDER, BROOMFIELD, CASTLE ROCK, CENTENNIAL, DENVER, DENVER INTERNATIONAL AIRPORT, ELIZABETH, FORT COLLINS, FORT MORGAN, GREELEY, KIOWA, LAKEWOOD, LIMON, LONGMONT, LOVELAND, PARKER, THORNTON, WESTMINSTER, AND WINDSOR.
Effective August 26, 2026 at 5:55 PM ET · Expires August 27, 2026 at 1:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Denver CO
Expires
August 27, 2026 at 1:00 AM ET
Last Checked
56 minutes ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Colorado
Air Quality Alert
Flood Advisory
Severe Thunderstorm Watch
Air Quality Alert
Flash Flood Warning
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Jefferson County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Jefferson County, Colorado?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (56 minutes ago). It's set to expire August 27, 2026 at 1:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Jefferson County?
Download StormCast free on Google Play and set Jefferson County, Colorado as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Douglas County, Boulder County, Denver County, Weld County, Larimer County, Broomfield County.