When will the power be back in Waterloo, IL?

Waterloo is a city of about 11,165 residents in Monroe County.

Ameren and Monroe County Electric Cooperative have reported outages for Waterloo by name on their own public outage map (most recently observed 2026-09-18) — so when Waterloo is affected, this page can show the city's own customers-out count and restoration time rather than only the county-wide total.

ZIP codes in Waterloo:

• 62298

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

Around Waterloo: the closest other places we track are Columbia, about 9 miles to the north; Arnold, MO, about 13 miles to the northwest; Belleville, about 15 miles to the northeast; and Cahokia Heights, about 16 miles to the north. Also nearby: Festus, MO (16 mi SW); Swansea (17 mi NE); East St. Louis (19 mi N); Crestwood, MO (19 mi NW); Shiloh (19 mi NE); Fairview Heights (19 mi NE); Webster Groves, MO (20 mi NW); and St. Louis, MO (21 mi N).

Looking further out, the nearest place we track is: north toward Collinsville (25 mi); northeast toward O'Fallon (22 mi); east toward Centralia (57 mi); southeast toward Carbondale (66 mi); south toward Farmington, MO (41 mi); west toward Union, MO (46 mi); and northwest toward Kirkwood, MO (22 mi).

Waterloo's last tracked outage began Sep 10, peaked at 186 customers out, and was restored in 4 hours.

• Sep 10 — 186 customers out, restored in 4 hours