Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

For More Weather Information:

Corpus Christi, TX Local Forecast Office

Port Aransas TX

Marine Point Forecast

[NOTICE]

Overnight
Low: 77 °F
ESE 9kt
< 1ft
Thursday
High: 82 °F
SSE 10kt
< 1ft
Thursday Night
Low: 78 °F
S 10kt
< 1ft
Friday
High: 83 °F
S 12kt
< 1ft
Friday Night
Low: 79 °F
SE 12kt
< 1ft
Saturday
High: 83 °F
SSE 13kt
< 1ft
Saturday Night
Low: 78 °F
ESE 10kt
< 1ft
Sunday
High: 86 °F
E 9kt
< 1ft
Sunday Night
Low: 77 °F
E 7kt⇓
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:56 pm CDT May 20, 2026
Forecast Valid: 12am CDT May 21, 2026-6pm CDT May 27, 2026

View Nearby Observations

Detailed Forecast

Overnight

ESE wind around 9 kt. A chance of showers and thunderstorms, mainly after 4am. Seas 1 ft or less. .

Thursday

NNE wind 6 to 10 kt becoming SSE in the afternoon. Showers and thunderstorms likely, mainly before 2pm. Seas 1 ft or less. .

Thursday Night

SSE wind 7 to 10 kt becoming SSW after midnight. A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Seas 1 ft or less. .

Friday

S wind 7 to 12 kt. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less. .

Friday Night

SE wind 10 to 12 kt. A chance of showers and thunderstorms. Seas 1 ft or less. .

Saturday

SSE wind 9 to 13 kt. Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Seas 1 ft or less. .

Saturday Night

ESE wind 6 to 10 kt. Showers and possibly a thunderstorm. Seas 1 ft or less. .

Sunday

S wind 5 to 9 kt becoming E in the afternoon. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less. .

Sunday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms. Seas 1 ft or less. .

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.