Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic.
Read More...

Hazardous Weather Conditions

Last Update: 1022 AM EDT Fri Jul 21 2017

View Nearby Observations

For More Weather Information:

New York, NY Local Forecast Office

21NM SW Montauk NY

Marine Zone Forecast


Synopsis: ANZ300-220215- 1022 AM EDT Fri Jul 21 2017 .Synopsis for the Long Island Waters and New York Harbor... A weak cold front over the waters today will settle south of the area tonight. This front will remain nearly stationary across the area as waves of low pressure move along it from late Saturday through early Tuesday. High pressure will follow late Tuesday through Thursday. $$

Today
W winds 5 to 10 kt, becoming SW 10 to 15 kt late. Seas around 3 ft.
Tonight
SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 3 ft.
Sat
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 3 ft.
Sat Night
S winds 5 to 10 kt. Seas around 3 ft. Showers likely with chance of tstms.
Sun
NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 3 to 4 ft. Showers likely with chance of tstms.
Sun Night
NE winds 10 to 15 kt. Seas 4 to 5 ft. Showers likely, mainly in the evening.
Mon
NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon, then becoming E. Seas 4 to 5 ft. Chance of showers and tstms.
Tue
N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Chance of showers in the daytime. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 1022 AM EDT Fri Jul 21 2017
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Northeast Radar Mosaic Link to Satellite Data