Houston Forecast: Flash flood watch through Thursday morning

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Some downpours will create brief heavy rain and minor street flooding.

HOUSTON — A flash flood watch is in effect for Harris, Fort Bend, Colorado and Waller counties until 6 a.m. Thursday.

A slow-moving low pressure system combined with deep tropical moisture will combine to keep rain chances going again on Thursday. 

Right now it looks like two rounds of rain. One in the early morning, then another in the warmth of the afternoon. 

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Rain chances will diminish, but not completely go away this weekend as dust from the Saharan Desert arrives. As the dust moves in, skies may become a bit hazy.

The good news with the dust, which is over the Atlantic Ocean and moving into the Caribbean Sea soon, has helped keep the tropics calm, so no hurricanes and tropical storms anywhere in sight, likely for the rest of this month. Tropical Storm Dolly, is the exception, since it formed in the Northern Atlantic Ocean but will pose no threat to land.