DALLAS-- More than 15,000 people are without power after a thunderstorm rolled through NorthTexas. Oncor Energy is reporting more than 500 power outages Monday.

Collin, Tarrant,Somervell, Rockwall, Johnson, Hood,Ellis,Denton and Dallas Counties were under a Severe Thunderstorm Warning until 7:45 a.m.

As of 8:20 a.m. the heaviest rain was south and east of Dallas-Fort Worth. Light showers are expected for the rest of the morning.

Southwest Airlines reported some delays Monday morning. The airline says it expects flights to be back on track by mid-morning.

Flights in and out of DFWInternational Airport are also being affected. Check your flight time here.

OnSunday Granbury received about seven inches of rain, according to the Associated Press. Wichita Falls also had brief storms. Fort Worth received just over an inch of rain.

Go here to see photos fromNews 8 viewers.

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