Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

For More Weather Information:

Caribou, ME Local Forecast Office

17NM WSW Bar Harbor ME

Marine Point Forecast

[NOTICE]

Today
High: 71 °F
N 7kt
< 1ft
Tonight
Low: 59 °F
Light Wind
< 1ft
Saturday
High: 71 °F
⇑S 8kt
< 1ft
Saturday Night
Low: 59 °F
Light Wind
< 1ft
Sunday
High: 70 °F
⇑S 9kt
< 1ft
Sunday Night
Low: 59 °F
S 6kt
< 1ft
Monday
High: 69 °F
S 10kt
< 1ft
Monday Night
Low: 60 °F
WSW 8kt
< 1ft
Tuesday
High: 76 °F
WSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:00 am EDT Jul 31, 2026
Forecast Valid: 6am EDT Jul 31, 2026-6pm EDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Today

N wind around 7 kt becoming W in the afternoon. Mostly sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Patchy fog after 1am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Winds could gust as high as 15 kt. Patchy fog before 9am. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Patchy fog after 9pm. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Winds could gust as high as 17 kt. Areas of fog before noon. Seas 1 ft or less.

Sunday Night

S wind around 6 kt. A chance of showers, mainly after 2am. Patchy fog before 7pm, then Patchy fog after 8pm. Seas 1 ft or less.

Monday

S wind 8 to 10 kt, with gusts as high as 19 kt. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers after 2pm. Patchy fog before 11am. Seas 1 ft or less.

Monday Night

WSW wind 6 to 8 kt. A chance of showers. Seas 1 ft or less.

Tuesday

WSW wind 6 to 10 kt, with gusts as high as 18 kt. Mostly sunny. Seas 1 ft or less.

*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.