Heavy Rainfall and Flash Flood Threats Shift From Southern Plains to Lower Mississippi Valley; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will shift from the southern Plains into the Lower Mississippi Valley. Elevated to Critical Fire weather threats will linger through the weekend across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina this weekend.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Overnight

    Chance Thunderstorms

    SW 20kt
    7-8ft

    Low: 64 °F

    Gale Warning
    Gale Warning

  • Saturday

    Chance Showers

    W 15kt
    6ftWaves Subsiding

    High: 69 °F

    Gale Warning
    Gale Warning

  • Saturday
    Night

    Mostly Clear

    Light Wind
    1-2ft

    Low: 50 °F

  • Sunday

    Sunny

    Light Wind
    1ft

    High: 63 °F

  • Sunday
    Night

    Partly Cloudy

    Winds IncreasingNNE 15kt
    Waves Building3ft

    Low: 46 °F

  • Monday

    Sunny

    NE 15ktWinds Decreasing
    4ft

    High: 55 °F

  • Monday
    Night

    Mostly Clear

    E 10kt
    2-3ft

    Low: 49 °F

  • Tuesday

    Chance Showers

    ESE 15kt
    2-3ft

    High: 63 °F

  • Tuesday
    Night

    Showers Likely

    SSE 15kt
    4ft

    Low: 60 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:19 am EDT Sep 22, 2018
Forecast Valid: 4am EDT Sep 22, 2018-6pm EDT Sep 28, 2018

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Detailed Forecast


Synopsis: ANZ100-222115- 314 AM EDT Sat Sep 22 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure will build in from the west today and will crest over the region tonight. A cold front will drop south through the region on Sunday followed by another area of high pressure Sunday night. High pressure will crest over the region early Monday before shifting east. High pressure will continue to slide off to the east Monday night. A warm front will approach from the southwest on Tuesday and will lift into the region Tuesday night. A cold front will gradually push in from the west Wednesday night and will shift offshore on Thursday. && $$

Overnight
SW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers and thunderstorms. Seas 7 to 8 ft.
Saturday
W wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. A chance of showers before 7am. Seas 6 ft subsiding to 4 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.
Sunday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Sunday Night
W wind 5 to 8 kt becoming NNE 10 to 15 kt. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 ft building to 3 ft.
Monday
NE wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas around 4 ft.
Monday Night
E wind 5 to 10 kt. Mostly clear. Seas 2 to 3 ft.
Tuesday
ESE wind 10 to 15 kt. A chance of showers. Seas 2 to 3 ft.
Tuesday Night
SSE wind around 15 kt, with gusts as high as 25 kt. Showers likely. Seas around 4 ft.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 43.36°N 70.28°W
Last Update: 2:19 am EDT Sep 22, 2018
Forecast Valid: 4am EDT Sep 22, 2018-6pm EDT Sep 28, 2018
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