Severe Thunderstorm Warning — Jefferson, Colorado
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 30 at 2:27PM MDT until August 30 at 2:45PM MDT by NWS Denver CO
At 227 PM MDT, severe thunderstorms were located along a line from near Louisville to near Idledale, or along a line from 21 miles northwest of Denver to 17 miles west of Denver, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...A weather station at the base of Coal Creek Canyon at Highway 93 and 72 intersection, and another station 3 miles north of White Ranch Open Space reported wind gusts to 60 mph. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Northeastern Lakewood, Arvada, Westminster, Boulder, western Broomfield, Wheat Ridge, Lafayette, Golden, Louisville, Erie, Superior, Rocky Flats, Eldorado Springs, White Ranch Open Space, Crisman, Salina, Sunshine, Edgewater and Mountain View.
Effective August 30, 2026 at 4:27 PM ET · Expires August 30, 2026 at 4:45 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Denver CO
Expires
August 30, 2026 at 4:45 PM ET
Last Checked
5 hours ago
What To Do
📋 Official NWS Guidance
Seek shelter inside a well-built structure and stay away from windows. These storms have produced damaging winds. Wind damage with these storms will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Colorado
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Jefferson
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Jefferson, Colorado?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (5 hours ago). It's set to expire August 30, 2026 at 4:45 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Jefferson?
Download StormCast free on Google Play and set Jefferson, 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 Warning is also in effect for Southwest Boulder County, Southeast Boulder County, Broomfield County.