When's the Power Back?

When will the power be back in Longmont, CO?

See current outages near you, plus an independent restoration forecast when enough trend data exists · Boulder County, Colorado
No significant county-wide outage reported in Boulder, CO right now.
Lights out where you are? Very small or brand-new outages can take a few minutes to reach county-level data — check your exact address on the live map, and see what to check before you report it.
🔔 Get a free alert if an outage is detected here — one tap in your browser, no signup.
Elsewhere in Colorado: 88 customers reported out — statewide status.
Updated 10:31 PM MDT.
Open the live outage map
⚡ No power in Longmont, CO? We'll notify you when the outage we're tracking looks mostly restored.
An alert when an outage is detected here, another once a dependable restoration estimate is ready, and an all-clear when the outage we're tracking looks substantially restored (~90% of customers back). No email, no account — anonymous usage stats only.

Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been

What we track for Longmont

Longmont is a city of about 99,818 residents in Boulder County.

None of the utility outage maps we follow has yet listed an outage for Longmont by name, so this page reports the Boulder County county-wide view, which covers Longmont. If a serving utility does name Longmont during an outage, the city's own numbers appear here automatically.

ZIP codes in Longmont:

Checking a ZIP goes straight to the address-level view for that area.

Around Longmont: the closest other places we track are Frederick, about 8 miles to the southeast; Firestone, about 8 miles to the east; Erie, about 9 miles to the south; and Berthoud, about 10 miles to the north. Also nearby: Lafayette (12 mi S), Boulder (13 mi SW), Louisville (14 mi S), Johnstown (15 mi NE), Broomfield (15 mi S), Superior (17 mi S), Loveland (17 mi N) and Northglenn (19 mi S).

Looking further out, the nearest place we track is: north toward Fort Collins (26 mi); northeast toward Windsor (23 mi); east toward Fort Morgan (69 mi); southeast toward Thornton (19 mi); south toward Westminster (20 mi); southwest toward Montrose (188 mi); west toward Steamboat Springs (93 mi); and northwest toward Rock Springs, WY (237 mi).

Who serves Longmont?

We track live outage data from Xcel Energy, Poudre Valley REA and United Power ↗ in Boulder County — but several utilities can serve one county, so confirm your own by searching your address on the live map. City of Longmont and Town of Lyons also serve parts of Boulder County — we don't yet read their own live outage maps. For the parent company's combined picture, see Xcel Energy outages across every state it serves.

Outage history — Boulder County, CO (covers Longmont)
Last significant outage: Sep 29, 2026 — peaked at 1,570 customers, restored in ~5.8 hr (no severe weather).
Across the 34 significant outages tracked here, restoration typically ran about 3.8 hr.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Jul 26, 2026. Smaller or briefer interruptions aren't listed.

County context: across all of Boulder County, federal outage records (EAGLE-I, 2014–2025) show outages of 200+ customers typically restored in about 3 hr. The full record for Boulder County

Common questions

How do I check the power outage status in Longmont, CO?

To check your own street, search a Longmont ZIP code — 80501, 80502, 80503 or 80504 — and the map opens on that area.

Nearby & related
Longmont, CO — live power outage tracker