KBTX | Bryan & College Station, TX | Weather Forecast & Radar

Severe Thunderstorm Watch for Part of The Brazos Valley


After a record rainfall on Thursday, another upper-level disturbance is moving through Texas and is set to bring the chance for more rain -- some heavy -- to the Brazos Valley.

FRIDAY

11:30 pm Update

Storms are moving out of the area from west to east. Scattered showers will linger off and on through the evening. The rain is expected to gradually clear out through tomorrow.

A FLASH FLOOD WATCH is in effect for Grimes, Liberty, Montgomery, Polk, San Jacinto, Waller, and Walker Counties until 7AM Saturday

9:40 pm Update

Storms moving into the area. Pea size hail and wind gust in excess of 30mph are possible. Nothing is severe but there have been numerous reports of frequent lightning.

A FLASH FLOOD WATCH is in effect for Grimes, Liberty, Montgomery, Polk, San Jacinto, Waller, and Walker Counties until 7AM Saturday. A SEVERE THUNDERSTORM WATCH is in effect for Lee County through 10PM this evening. Stay with News 3 and KBTX.com for the latest as possible severe weather moves into the area.

8:15 pm Update

A SEVERE THUNDERSTORM WARNING is in effect for Lee County through 8:45PM this evening. The main threat is hail and high winds. A FLASH FLOOD WATCH is in effect for Grimes, Liberty, Montgomery, Polk, San Jacinto, Waller, and Walker Counties until 7AM Saturday. A SEVERE THUNDERSTORM WATCH is in effect for Lee County through 10PM this evening. Stay with News 3 and KBTX.com for the latest as possible severe weather moves into the area.

6:30 pm Update

A FLASH FLOOD WATCH is in effect for Grimes, Liberty, Montgomery, Polk, San Jacinto, Waller, and Walker Counties until 7AM Saturday. A SEVERE THUNDERSTORM WATCH is in effect for Lee County through 10PM this evening. Stay with News 3 and KBTX.com for the latest as possible severe weather moves into the area.

2:30 pm Update

The showers and thunderstorms that rumbled across the area this morning have all moved well to our east, and sunshine has broken out in the wake of those storms. The heating provided by the sun will help to destabilize the atmosphere, and with the approach of another upper level disturbance, more showers and thunderstorms could develop later this afternoon or this evening. With the ground saturated from the past 24 hours' rainfall, there is still a threat of flooding, especially in the counties to the south and east of the Brazos Valley.

Noon Update

Most of the shower and thunderstorm activity has moved out of the Brazos Valley. There is still an area of showers slowly drifting out fo the Southeastern corner of the area.

Other than an isolated thunderstorm, along a weak cold front, it looks like rain activity is finished, in the area, for now.

Computer modeling still keeps a chance for a few more showers and isolated thunderstorms for the Southern Brazos Valley after 2am tonight.

NAM Computer Model - Forecast Radar Image 4-5pm

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10:30am Update

A weak "front" is pushing the bulk of the rain activity over the Brazos Valley to the south, slowly.

10:30am Radar Image

While most of the rain activity looks to be pushed south for the majority of today, there is a chance that a few isolated thunderstorms could still pop up along this cold front through the afternoon.

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10am Update

No severe warnings in the Brazos Valley, currently. Strong storms lined up from Northeast Grimes County, through Navasota and down into Bellville and Austin Counties.

Next up for this line of thunderstorms will be Huntsville to Waller to Sealy around the I-10 corridor.

Storms will mainly bring frequent lightning, heavy rain, thunder, gusty winds in excess of 35mph and possibly a minute or two of pea sized hail.
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9:30am Update

The Severe Thunderstorm Warning for Austin & Waller Counties has been allowed to expire. Another round of strong thunderstorms is working towards the Western part of Austin County. More small hail, gusty winds and frequent lightning will be possible with this next round of thunderstorms.

The strong thunderstorm currently moving through the Central and Southern portion of Brazos County will continue on to Grimes, Waller and parts of Washington Counties as well. Next up for this storm is anyone from Anderson to Navasota to Hempstead.

The FLASH FLOOD WATCH has been expanded to include WALLER AND MONTGOMERY Counties. That will join WALKER, GRIMES AND SAN JACINTO Counties until 6pm.

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9:15am Update

A strong (non-severe) thunderstorm is moving from Burleson County into Central and Southern Brazos County. For those in South College Station and points to the south, high winds, frequent lightning, heavy rain and hail between the size of peas and nickels will be possible.

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9:05am Update

A SEVERE THUNDERSTORM WATCH is in effect for Austin, Grimes, Montgomery, San Jacinto, Walker, Waller and Washington Counties until 2pm.
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9am Update

SEVERE THUNDERSTORM WARNING is in effect for Austin and Waller Counties for the storm moving east at 30mph. Hail up to the size of quarters and strong winds in excess of 40mph will be heading towards folks in south and central Waller County.

A strong thunderstorm was located in Burleson County. That storm was producing hail to the size of nickels, frequent lightning, gusty winds and heavy downpours. As of 9am, the strongest part of the storm was located over Snook to Somerville. This storm is moving to the east and will be in parts of Brazos County, including Bryan / College Station by 9:30am.

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As of 3am to 4am, our next disturbance was coming together in far West Texas and moving to the east towards the Hill Country. By 4:50am, the first Severe Thunderstorm Warning was issued for Bandera, Edwards, Keer and Real Counties for the possibility of hail up to the size of quarters and winds in excess of 60mph.

Today's forecast will be one to watch. Many computer forecasts, including the KBTX PinPoint Computer Forecast Model (seen above), brings this next ripple in the atmosphere to the area by mid-morning to late afternoon. Indications are that the first, scattered thunderstorms could fire up as early as 9:30am to 10am, followed by a better chance for widespread rain shortly after the noon hour.

With yesterday's heavy downpours, there is a question of how unstable the atmosphere is. If this next upper-level system can ruffle the feathers of the air above enough, then showers and thunderstorms should be numerous.

While the rain chance holds in high today -- 70% -- we'll have to watch and see how things materialize, especially after we start heating up post sunrise.

Much like Thursday, the Brazos Valley has been placed under a SLIGHT RISK for the possibility of severe thunderstorms.

Should storms manage to become severe, wind will once again be the main concern, with a threat of hail present as well. While the chance is not great, there could be a very brief tornado threat in one or two of today's thunderstorms.

With an already water-logged ground, the potential for heavy rainfall once again puts a threat for brief, flash flooding to occur throughout the area.

A FLASH FLOOD WATCH is in effect for Grimes, San Jacinto and Walker Counties until 6pm Friday.

Here's a look at the FORECAST rain totals from our PinPoint Computer Model:

Should these thunderstorms form in a similar fashion to Thursday, travel will be an issue on area roadways, once again, until the rain subsides.

STAY UP WITH THE FORECAST

You can keep up with the latest here on this story or by swinging over to the PinPoint Weather Page. You can also track rain at your desk by using our Interactive PinPoint Radar.

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