Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail.
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Last Update: 549 PM EDT Thu Aug 17 2017

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Gray/Portland, ME Local Forecast Office

9NM ENE Portland ME

Marine Zone Forecast


Synopsis: ANZ100-181200- 549 PM EDT Thu Aug 17 2017 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A warm front will approach from the southwest tonight and Friday and will gradually push east of the region Friday night. A slow moving cold front will cross the region Saturday through Saturday night. High pressure will build in from the west Sunday through Monday and will slide offshore on Tuesday. A cold front will move in from the west Tuesday night and will cross the region on Wednesday. High pressure will build in behind the front Wednesday night through Thursday. $$

Tonight
NE winds 5 to 10 kt. Seas 2 to 3 ft.
Fri
E winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 to 2 ft. A chance of showers in the morning, then showers in the afternoon.
Fri Night
S winds 10 to 15 kt, becoming SW 5 to 15 kt after midnight. Seas 2 to 4 ft. Showers. Patchy fog. Vsby 1 to 3 nm.
Sat
S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog in the morning. A chance of showers. Vsby 1 to 3 nm in the morning.
Sat Night
S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 4 ft. A chance of tstms in the evening. A chance of showers.
Sun
W winds 5 to 10 kt. Seas 2 to 3 ft, subsiding to 1 to 2 ft in the afternoon.
Sun Night
W winds 5 to 10 kt. Seas 1 to 2 ft.
Mon
W winds 5 to 10 kt. Seas 1 to 2 ft.
Mon Night
SW winds around 5 kt. Seas 1 to 2 ft.
Tue
SW winds 5 to 10 kt. Seas 1 to 2 ft.
Tue Night
S winds around 10 kt. Seas 2 to 3 ft. A chance of showers. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 549 PM EDT Thu Aug 17 2017
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