Heavy rainfall and localized flooding may be possible tonight through Friday morning. Main area of concern will still be from Brenham to Huntsville and northward. The cold front has the potential to reach the coast, allowing for higher rainfall amounts south of this line ranging between 1-3 inches.


Changes From Yesterday’s Forecast: First it looks like the cold front now over north Texas will push into the area during the day tomorrow dropping temperatures behind it. Front may stall just off the coast during the evening. Second the front may also be more of a focus for storms and could increase the threat for heavy rainfall farther south. See the alternate scenario section.


From Brenham to Huntsville and northward:

Overview: Showers and thunderstorm coverage will increase tonight into Wednesday as a cold front approaches the region. Rainfall amounts of 2-4 inches will be possible in this region with isolated higher amounts. 


Impacts could include:

-Dead vegetation could result in enhanced runoff

-Flooding on rural roads with poor drainage

-Closely monitor rises on area rivers, tributaries and creeks


South of the Brenham to Huntsville line:

Overview: The front has the potential to reach the coast, and coverage should shift southward Wednesday. Rainfall amounts of 1-3 inches will be possible in this region with isolated higher amounts.


Impacts could include:

-Street flooding in low lying areas with poor drainage and underpasses

-Monitor for rises on bayous, creeks and rivers


Alternate Scenario: There are some forecast data trends that support heavy rainfall occurring Wednesday morning. We will be monitoring these trends but this means higher rainfall amounts can be expected farther south. While overall confidence is in the higher amounts for the northern portions of the area, there could be some other areas where rainfall exceeds 3 inches.

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