Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

8NM ENE Portland ME

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Cloudy

    W 20km/hWinds Decreasing
    < 1m

    Low: 1 °C

  • Sunday

    Partly Sunny

    W 10km/h
    < 1m

    High: 6 °C

  • Sunday
    Night

    Mostly Cloudy

    SSE 10km/hWinds Decreasing
    < 1m

    Low: -4 °C

  • Monday

    Chance Snow

    Winds IncreasingENE 15km/h
    < 1m

    High: 1 °C

  • Monday
    Night

    Rain/Snow

    E 20km/h
    1m

    Low: -2 °C

  • Tuesday

    Rain

    Winds IncreasingS 35km/h
    1-2m

    High: 7 °C

  • Tuesday
    Night

    Chance Showers

    SSW 25km/h
    1-2m

    Low: 3 °C

  • Wednesday

    Mostly Sunny

    W 30km/h
    1m

    High: 4 °C

  • Wednesday
    Night

    Partly Cloudy

    WNW 25km/h
    < 1m

    Low: -8 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:45 pm EST Jan 20, 2018
Forecast Valid: 12am EST Jan 21, 2018-6pm EST Jan 27, 2018

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Detailed Forecast


Synopsis: ANZ100-211645- 944 PM EST Sat Jan 20 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A weak cold front will drop south from Canada tonight and will stall over southern New England Sunday and Sunday night. The front will lift north on Monday and Monday night as a warm front. Low pressure will track northeast through the ST Lawrence Valley on Tuesday and will drive a cold front through the region in the afternoon. A trough of low pressure will linger over the region Tuesday night and Wednesday. High pressure will gradually build in from the west Wednesday through Friday. $$

Overnight
W wind 15 to 20 km/h decreasing to 10 to 15 km/h. Mostly cloudy. Seas 1 m or less.
Sunday
W wind 5 to 10 km/h becoming E in the afternoon. Partly sunny. Seas 1 m or less.
Sunday Night
SSE wind 5 to 10 km/h becoming variable and less than 5 km/h. Mostly cloudy. Seas 1 m or less.
Monday
ENE wind 10 to 13 km/h increasing to 12 to 15 km/h in the afternoon. A chance of snow after 2pm. Seas 1 m or less.
Monday Night
E wind 15 to 20 km/h. Snow before 3am, then rain and snow between 3am and 4am, then rain after 4am. Seas around 1 m.
Tuesday
E wind 20 to 25 km/h becoming S 30 to 35 km/h. Winds could gust as high as 50 km/h. Rain. Seas 1 to 2 m.
Tuesday Night
SSW wind around 25 km/h becoming WSW after midnight. Winds could gust as high as 35 km/h. A chance of showers. Seas 1 to 2 m.
Wednesday
WSW wind 25 to 30 km/h becoming WNW in the afternoon. Winds could gust as high as 40 km/h. Mostly sunny. Seas around 1 m.
Wednesday Night
WNW wind around 25 km/h, with gusts as high as 40 km/h. Partly cloudy. 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: 43.73°N 70.1°W
Last Update: 9:45 pm EST Jan 20, 2018
Forecast Valid: 12am EST Jan 21, 2018-6pm EST Jan 27, 2018
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