Flash Flood Threat to Persist in the 4-Corners; Heat Threat in Several Regions

The threat of flash flooding will continue to exist into Monday across the Southwest into the the central Rockies as monsoon conditions persist. Dangerous heat will be in place across the Intermountain West, northern Plains, and into the southern Plains and Lower Mississippi River Valley into early week.
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Last Update: 1001 PM EDT Sat Jul 24 2021

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Synopsis: ANZ100-251615- 1001 PM EDT Sat Jul 24 2021 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Flow will gradually turn more onshore through tonight into tomorrow ahead of an approaching frontal boundary. Southerly flow and rain showers will cross the waters tomorrow into Monday, followed by unsettled weather and generally southwest flow through midweek. $$

Rest Of Tonight
S winds 5 to 10 kt. Seas around 2 ft. A slight chance of showers late.
Sun
S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers likely in the morning, then showers in the afternoon. Vsby 1 to 3 nm in the morning.
Sun Night
SW winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Patchy fog.
Mon
SW winds 5 to 10 kt. Seas 2 to 3 ft.
Mon Night
W winds 5 to 10 kt. Seas 2 to 3 ft.
Tue
W winds 5 to 10 kt. Seas around 2 ft.
Tue Night
W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. A chance of showers.
Wed
N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. A chance of showers.
Wed Night
S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Thu
S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Thu Night
S winds around 10 kt, becoming W after midnight. Seas around 2 ft. A chance of showers.
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ABOUT THIS FORECAST

Last Update: 1001 PM EDT Sat Jul 24 2021
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