ABC13 Weather Watch: Rounds of scattered storms expected through the holiday weekend

HOUSTON, Texas (KTRK) -- Multiple rounds of showers and thunderstorms are expected now through Memorial Day, but timing out each round of rain more than 24 hours in advance will remain a challenge in this pattern driven by an active jet stream.

Rain will continue into the morning commute time, especially from Houston southwest toward Matagorda Bay. The good news for our Wednesday plans is that the rain chances looks to be significantly lower once the rain clears out. The atmosphere will be somewhat stable and rain-cooled during the day on Wednesday, keeping redevelopment to a minimum.

How do rain chances look for the rest of the week?

Multiple jet stream disturbances are expected to bring more rounds of rain Thursday through Memorial Day. At this time we have rain chances at 70% Thursday, 60% Friday, 60% Saturday, 70% Sunday, and 40% for Memorial Day. Because these jet stream disturbances can be a little tricky to time this far out, adjustments to these rain chances are likely, so it's wise to stay weather aware this week as you finalize your plans for the holiday weekend ahead. While making those plans, also have an indoor "plan B" option just in case you get rained out.

What weather should we prepare for Memorial Day weekend?

Scattered showers and thunderstorms are possible every day, so make sure that if you have outdoor plans you also have a place to run for cover should you cross paths with a heavy thunderstorm. When it is not raining, it will be warm and humid. We have highs in the low-to-mid 80s and lows in the low 70s all three days. There is a chance an upper-low will spin up over Central Texas and stall out for the weekend, and if that happens we will need to raise rain chances even more, and rain totals will go higher.

How much rain are we talking for this week?

We now expect 3-6" of rain to be fairly common with over 9" possible in spots. Remember that these totals are spread out over several days, so it should be a manageable rainfall for the most part. However, each passing round of showers and storms will increase the risk of street and creek flooding. The bayous could also be running high all week long, but no bayou flooding is anticipated at this time.

13 ALERT RADAR MAPS:
Southeast Texas
Houston
Harris County
Galveston County
Montgomery/Walker/San Jacinto/Polk/Grimes Counties
Fort Bend/Wharton/Colorado Counties
Brazoria/Matagorda Counties

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