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 Showers

    WSW 30km/h
    2m

    Low: 18 °C

    Gale Warning
    Gale Warning

  • Saturday

    Mostly Sunny

    WNW 25km/hWinds Decreasing
    1m

    High: 21 °C

  • Saturday
    Night

    Partly Cloudy

    Winds IncreasingNE 15km/h
    < 1m

    Low: 7 °C

  • Sunday

    Sunny

    NNE 15km/h
    < 1m

    High: 17 °C

  • Sunday
    Night

    Partly Cloudy

    Winds IncreasingNNE 25km/h
    < 1m

    Low: 9 °C

  • Monday

    Sunny

    NE 25km/hWinds Decreasing
    1m

    High: 12 °C

  • Monday
    Night

    Mostly Clear

    E 15km/h
    1m

    Low: 10 °C

  • Tuesday

    Chance Showers

    SE 25km/h
    1m

    High: 17 °C

  • Tuesday
    Night

    Showers Likely

    S 25km/h
    1-2m

    Low: 16 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:11 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
WSW wind around 30 km/h, with gusts as high as 50 km/h. A chance of showers. Seas around 2 m.
Saturday
WNW wind 20 to 25 km/h becoming NE 10 to 15 km/h. Winds could gust as high as 40 km/h. Mostly sunny. Seas around 1 m.
Saturday Night
ESE wind 5 to 8 km/h becoming NE 10 to 15 km/h in the evening. Partly cloudy. Seas 1 m or less.
Sunday
NNE wind 10 to 15 km/h becoming SSE in the afternoon. Sunny. Seas 1 m or less.
Sunday Night
SW wind 10 to 15 km/h becoming NNE 20 to 25 km/h. Winds could gust as high as 45 km/h. Partly cloudy. Seas 1 m or less.
Monday
NE wind 20 to 25 km/h becoming E 15 to 20 km/h. Winds could gust as high as 40 km/h. Sunny. Seas around 1 m.
Monday Night
E wind around 15 km/h. Mostly clear. Seas around 1 m.
Tuesday
ESE wind 20 to 25 km/h becoming SSE in the afternoon. Winds could gust as high as 40 km/h. A chance of showers. Seas around 1 m.
Tuesday Night
S wind around 25 km/h, with gusts as high as 45 km/h. Showers likely. Seas 1 to 2 m.

*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: 3:11 am EDT Sep 22, 2018
Forecast Valid: 4am EDT Sep 22, 2018-6pm EDT Sep 28, 2018
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