Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Last Update: 1211 AM CDT Sat Apr 18 2026

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For More Weather Information:

Houston, TX Local Forecast Office

9NM NNE Port O Connor TX

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING......SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON...

Rest Of Tonight
South winds 15 to 20 knots, diminishing to around 15 knots late. Bay waters choppy, diminishing to slightly choppy late. A slight chance of showers late.
Saturday
Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers with a slight chance of thunderstorms in the afternoon.
Saturday Night
North winds around 20 knots, increasing to 20 to 25 knots after midnight. Bay waters choppy, increasing to rough after midnight. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight.
Sunday
Northeast winds 20 to 25 knots, diminishing to around 20 knots in the afternoon. Bay waters rough, diminishing to choppy in the afternoon. A chance of showers in the morning.
Sunday Night
Northeast winds 15 to 20 knots, diminishing to around 15 knots after midnight. Bay waters choppy, diminishing to slightly choppy after midnight.
Monday
East winds 15 to 20 knots. Bay waters choppy. A chance of showers.
Monday Night
East winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. A chance of showers. A chance of thunderstorms after midnight.
Tuesday
Southeast winds 10 to 15 knots. Bay waters slightly choppy. Showers likely with a chance of thunderstorms.
Tuesday Night
Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday
Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
Wednesday Night
Southeast winds 15 to 20 knots, diminishing to around 15 knots after midnight. Bay waters choppy, diminishing to slightly choppy after midnight.

winds and waves higher in and near thunderstorms.



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1211 AM CDT Sat Apr 18 2026
 
 

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