Continuous Heavy Rainfall And Threat For Flooding Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A very slow moving disturbance will deliver continuous tropical heavy rainfall and flooding along the Texas Gulf Coast into Louisiana. Additional heavy rainfall will be possible across the Midwest and Ohio Valley, from a circulation and stalled frontal zone. Very hot temperatures exceeding 110 degrees are likely over southern California, Nevada and Arizona, which includes Las Vegas and Phoenix.
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Hazardous Weather Conditions

Last Update: 359 PM CDT Wed Jun 20 2018

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Houston, TX Local Forecast Office

9NM NNE Port O Connor TX

Marine Zone Forecast


Synopsis: Moderate onshore winds and elevated seas will persist tonight. Periods of showers and thunderstorms will also continue, with heavy rainfall and gusty winds possible in the stronger storms. Gradually improving conditions are expected to begin as winds and seas diminish. However, moderate onshore winds should return over the weekend.

Tonight
Southeast winds near 15 knots decreasing to 5 to 10 knots after midnight. Bay waters choppy. Isolated thunderstorms in the evening. Showers likely. Isolated thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening.
Thursday
Southeast winds 5 to 10 knots. Bay waters smooth. Showers likely in the morning. Isolated thunderstorms. A chance of showers in the afternoon.
Thursday Night
Southeast winds 5 to 10 knots becoming south after midnight. Bay waters smooth. A slight chance of showers and thunderstorms after midnight.
Friday
South winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and thunderstorms.
Friday Night
South winds 10 to 15 knots. Bay waters slightly choppy.
Saturday
South winds 10 to 15 knots. Bay waters slightly choppy.
Saturday Night
South winds 15 to 20 knots. Bay waters choppy.
Sunday
South winds around 15 knots. Bay waters slightly choppy to choppy. A slight chance of showers and thunderstorms.
Sunday Night
Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Monday
Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and thunderstorms.
Monday Night
Southeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A slight chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 359 PM CDT Wed Jun 20 2018
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