UPDATE #2: Oshkosh Fire officials say the fire at Starbucks on Tuesday was accidental.
Firefighters say the fire started on the roof, which suffered extensive fire damage. The total damage estimate of the fire is still unknown at this time.
All 3 adjoining businesses had smoke and water damage, officials say.
No injuries were reported. The cause of the fire is still under investigation.
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UPDATE: Oshkosh fire officials say no one was injured in a Tuesday morning fire at a Starbucks on Oshkosh Avenue just off I-41.
Flames were showing through the roof when fire units arrived, and the extent of the damage is still under review, according to officials. The business remains closed but all roads in the area are now open.
The business next door, Teriyaki Madness, also remains closed after the fire.
Previous reporting below:
Drivers in the Oshkosh area should plan for delays this morning after a fire at a Starbucks forced the closure of a main road.
Firefighters responded to the scene on Wisconsin 21 East at Koeller Street early Tuesday morning. By 7 a.m., traffic on WIS 21 had to be shut down as crews worked to contain the situation.
The road closure is affecting traffic between Koeller Street and the surrounding area along Oshkosh Avenue. Officials say vehicles are being diverted to alternate routes.
Emergency crews remain on scene, and there is no word yet on the cause of the fire or any reported injuries.
This incident occurred January 27, 2026, and was last updated at 7:01 a.m.
NBC 26 will provide updates as more information becomes available.
Disclaimer: This article was adapted from a broadcast script and edited with the assistance of AI technology.
