Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

For More Weather Information:

Miami - South Florida Local Forecast Office

Marco Island FL

Marine Point Forecast

[NOTICE]

Today
High: 89 °F
NE 7kt⇓
< 1ft
Tonight
Low: 75 °F
Light Wind
< 1ft
Saturday
High: 88 °F
Light Wind
< 1ft
Saturday Night
Low: 76 °F
Light Wind
< 1ft
Sunday
High: 88 °F
⇑SSW 6kt
< 1ft
Sunday Night
Low: 77 °F
Light Wind
< 1ft
Monday
High: 88 °F
⇑SSW 8kt
< 1ft
Monday Night
Low: 78 °F
SSE 6kt
< 1ft
Tuesday
High: 88 °F
⇑S 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:02 am CDT Sep 18, 2026
Forecast Valid: 5am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind 5 to 7 kt becoming variable and less than 5 kt. Showers and thunderstorms likely, mainly after 5pm. Seas 1 ft or less. Bay and inland waters smooth.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 9pm. Seas 1 ft or less. Bay and inland waters smooth.

Saturday

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly after 5pm. Seas 1 ft or less. Bay and inland waters smooth.

Saturday Night

Variable winds 5 kt or less. Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Seas 1 ft or less. Bay and inland waters smooth.

Sunday

Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less. Bay and inland waters smooth.

Sunday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Seas 1 ft or less. Bay and inland waters smooth.

Monday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Seas 1 ft or less. Bay and inland waters smooth.

Monday Night

SSW wind around 6 kt becoming SE in the evening. Showers likely and possibly a thunderstorm. Seas 1 ft or less. Bay and inland waters smooth.

Tuesday

Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Seas 1 ft or less. Bay and inland waters smooth.

Winds and seas higher in and near tstms.

*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.