Flash Flood WATCH for Friday, light rain starts Thursday

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COLLEGE STATION, Tex (KBTX) - Afternoon Update:
Keep the umbrella, rain coat, and poncho with you throughout the afternoon especially if you are planning on being outdoors to observe President Bush's final trip through the Brazos Valley to College Station. As of 12PM Thursday, PinPoint Radar continued to show showery activity popping up west of Austin which will stream in east of I-35 throughout the afternoon. This means that periodic showers throughout the day are expected across the Brazos Valley. It looks as though later this evening, some may catch a break in the rain before our first round of potentially heavy rain swings in after midnight.

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Observance plans for President Bush's final trip to Aggieland should come with some rain gear.

Widespread rain and thunderstorms are not expected today, but drizzle is possible as early as this morning, with the potential for scattered late rain through the afternoon. In other words, nothing will slow down any procession plans, traffic, etc. If you'll be planted in one spot for several hours, you may need rain gear for a small time. Temperatures will be mild, in the low 60s.

Flooding Potential: While we've been confident in a rain event for over a week now, the potential for flooding has come into slightly better focus over the past day or so. One thing we're still not able to nail down just yet: where exactly the most rain will fall.

Higher resolution models have begun to paint two areas of heavier rainfall - one to the north of the area, and one across the Southern Brazos Valley. However, don't get too hung up on specific numbers in specific places. We believe this particular graphic shows a good spread of numbers we can expect - widespread three to four inches, with isolated totals of 7 inches or more by sunrise Saturday.

As of right now, most of the impacts we'll see (along with heavy rain and the potential for some brief, strong winds) will include street flooding while many of us are asleep. We will need to watch trouble spots for isolated moderate flooding through early Saturday morning. If your property tends to flood in heavy rain events, you'll want to be weather aware Friday night.

Saturday will turn windy and dry by the end of the day, with temps dipping down into the low 40s Sunday morning. For those going on a long run Sunday morning - expect cold and windy conditions with some sunshine possible by late morning.

We'll continue to keep you updated on air, online, and on your PinPoint Weather App as we get closer to Friday.