HOUSTON -- A Flash Flood Watch was in effect for parts of Southeast Texas overnight as Houston-area roads flooded at the start of the morning rush hour.

High water caused a traffic jam along I-45 North northbound at Main Street where at least two lanes were blocked.

On the southwest side, stalled cars were reported on Fondren near Highway 59 where several inches of water covered the road.

And an accident involving high water was reported on I-10 West westbound at the Mason exit ramp.

Other high-water locations included I-10 East westbound at Cedar, US 290 eastbound at the West Loop, 59 Eastex northbound at the North Loop, and FM 362 northbound at the Waller Grimes County line, according to Houston TranStar.

METRO Rail experienced delays of up to 10 minutes, and bus service transferred passengers between downtown and Burnett where the rail line was shut down.

By 10:30 a.m. the rain had let up and water receded in impacted areas.

More than 4 inches of much-needed rain fell in northern Harris County. About 3 inches of rain was reported on the southwest side, and about 2 inches was reported in the Pasadena area.

At its peak, CenterPoint Energy reported that nearly 17,000 Houston-area customers were without power, and viewers reported outages in Cleveland and Texas City.

About 100 flights in and out of the Houston Airport System were canceled.

KHOU 11 Meteorologist Chita Johnson says the chance for showers lingers into early Wednesday, but the rest of the week is looking nicer.

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