Severe Thunderstorms and Excessive Rain Possible From the Central and Southern Plains into the South and From the Ohio Valley To Mid-Atlantic; Heat and Critical Fire Weather Builds in the Southwest Quad of the Country

Multiple locations of severe thunderstorms and locally intense excessive rain will be possible east of the Rockies. The two main corridors appear to be the Central High Plains through Southern Plains into the South and the other path is from the Ohio Valley into Mid-Atlantic. Meanwhile, excessive heat and critical fire weather threats will build throughout the weekend in CA and the Southwest.
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Gray/Portland, ME Local Forecast Office

5NM E Portland ME

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Showers

    ESE 15km/h
    < 1m

    High: 15 °C

  • Tonight

    Showers Likely

    E 10km/h
    < 1m

    Low: 13 °C

  • Sunday

    Chance Showers

    S 10km/h
    < 1m

    High: 18 °C

  • Sunday
    Night

    Chance Rain

    SSE 10km/h
    1m

    Low: 14 °C

  • Monday

    Chance Showers

    Winds IncreasingN 25km/h
    < 1m

    High: 18 °C

  • Monday
    Night

    Partly Cloudy

    N 15km/h
    < 1m

    Low: 12 °C

  • Tuesday

    Sunny

    WSW 15km/h
    < 1m

    High: 21 °C

  • Tuesday
    Night

    Mostly Clear

    WSW 15km/h
    1m

    Low: 14 °C

  • Wednesday

    Mostly Sunny

    Winds IncreasingSSW 25km/h
    1m

    High: 22 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:42 pm EDT Jun 23, 2018
Forecast Valid: 2pm EDT Jun 23, 2018-6pm EDT Jun 29, 2018

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Detailed Forecast


Synopsis: ANZ100-240645- 1242 PM EDT Sat Jun 23 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure approaches from the west today with the potential for showers Saturday through Monday and a chance for a thunderstorm. High pressure then builds in for Tuesday and Wednesday. $$

This Afternoon
ESE wind around 15 km/h. A chance of showers, mainly after 5pm. Seas 1 m or less.
Tonight
E wind around 10 km/h becoming N after midnight. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then showers likely after 3am. Areas of fog after 8pm. Seas 1 m or less.
Sunday
NNW wind around 10 km/h becoming S in the afternoon. A chance of showers. Seas 1 m or less.
Sunday Night
SSE wind around 10 km/h becoming N after midnight. A chance of rain. Seas around 1 m.
Monday
N wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. A chance of showers before 3pm. Seas 1 m or less.
Monday Night
N wind 10 to 15 km/h becoming NW after midnight. Partly cloudy. Seas 1 m or less.
Tuesday
NW wind 10 to 15 km/h becoming SW in the afternoon. Sunny. Seas 1 m or less.
Tuesday Night
WSW wind around 15 km/h. Mostly clear. Seas around 1 m.
Wednesday
WSW wind 15 to 20 km/h becoming SSW 20 to 25 km/h in the afternoon. Mostly sunny. Seas around 1 m.

Winds and seas higher in and near tstms.

*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: 12:42 pm EDT Jun 23, 2018
Forecast Valid: 2pm EDT Jun 23, 2018-6pm EDT Jun 29, 2018
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