UPDATE 12:30 p.m.
Nearly 2,500 MidAmerican Energy customers lost power Monday morning as the height of another hot day approached.
The outage happened at 10:15 a.m. and the cause isn't yet known, a MidAmerican spokesperson told 3 News Now. Power was restored to all but three customers, the spokesperson said at about 12:20 p.m.
At around 11:45 a.m., power was restored to all but about 650 customers by rerouting supply by switching circuits. Crews, however, were still looking for a cause.
At 12:15 p.m., it was about 90 degrees in Council Bluffs, but the feels-like temperature was 105-110 degrees.
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