Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms.
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Gray/Portland, ME Local Forecast Office

5NM E Portland ME

Marine Point Forecast

[NOTICE]
  • Today

    Increasing Clouds

    NNW 25km/hWinds Decreasing
    < 1m

    High: 10 °C

  • Tonight

    Chance Rain

    S 15km/h
    < 1m

    Low: 6 °C

  • Monday

    Areas Rain

    SSE 20km/h
    1m

    High: 9 °C

  • Monday
    Night

    Rain Likely

    ENE 15km/h
    1m

    Low: 8 °C

  • Tuesday

    Chance Rain

    SW 25km/h
    1m

    High: 17 °C

  • Tuesday
    Night

    Partly Cloudy

    WSW 25km/h
    1m

    Low: 8 °C

  • Wednesday

    Mostly Sunny

    W 25km/h
    1m

    High: 14 °C

  • Wednesday
    Night

    Partly Cloudy

    WNW 20km/hWinds Decreasing
    1m

    Low: 6 °C

  • Thursday

    Mostly Sunny

    NW 15km/h
    < 1m

    High: 13 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:07 am EDT Apr 30, 2017
Forecast Valid: 5am EDT Apr 30, 2017-6pm EDT May 6, 2017

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Detailed Forecast


Synopsis: HIGH PRESSURE WILL BUILD OVER THE WATERS TODAY BEFORE MOVING OFF TO THE EAST ON MONDAY. A WARM FRONT LIFTS NORTH BUT REMAINS SOUTH OF THE WATERS SUNDAY NIGHT AND MONDAY. LOW PRESSURE SLOWLY MOVING NORTHEAST OUT OF THE GREAT LAKES WILL DRIVE A COLD FRONT ACROSS THE WATERS BY EARLY TUESDAY. ADDITIONAL FRONTS WILL CROSS THE WATERS ON THROUGH WEDNESDAY BEFORE HIGH PRESSURE BUILDS IN ON THURSDAY.

Today
NNW wind 20 to 25 km/h becoming N 10 to 15 km/h. Winds could gust as high as 35 km/h. Increasing clouds. Seas 1 m or less.
Tonight
S wind around 15 km/h. A chance of rain after 2am. Seas 1 m or less.
Monday
SSE wind around 20 km/h becoming E in the afternoon. A chance of rain before noon, then areas of drizzle. Patchy fog after noon. Seas around 1 m.
Monday Night
ENE wind around 15 km/h becoming S after midnight. Rain likely, mainly after 2am. Seas around 1 m.
Tuesday
SW wind 20 to 25 km/h, with gusts as high as 30 km/h. A chance of rain before 5pm. Seas around 1 m.
Tuesday Night
WSW wind 20 to 25 km/h. Partly cloudy. Seas around 1 m.
Wednesday
W wind around 25 km/h, with gusts as high as 40 km/h. Mostly sunny. Seas around 1 m.
Wednesday Night
WNW wind 17 to 20 km/h decreasing to 15 to 18 km/h after midnight. Partly cloudy. Seas around 1 m.
Thursday
NW wind 10 to 15 km/h becoming SSW in the afternoon. Mostly sunny. Seas 1 m or less.

*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: 43.67°N 70.14°W
Last Update: 3:07 am EDT Apr 30, 2017
Forecast Valid: 5am EDT Apr 30, 2017-6pm EDT May 6, 2017
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