National Weather Service United States Department of Commerce

Flash flooding threat continues from the Great Basin across the southern Plains

The wet pattern in place will continue from the Great Basin across the central and southern Rockies into the southern Plains into Wednesday. Ample monsoonal moisture with a frontal boundary in place will allow for shower and thunderstorm development with locally heavy rainfall at times. The heavier showers could lead to flash flooding in some areas, especially urban areas and burn scars.
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Hazardous Weather Conditions

Last Update: 309 AM CDT WED JUL 30 2014

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Winthrop Harbor to Wilmette Harbor IL

Marine Zone Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

  • Today West winds 10 to 15 kt becoming north in the morning...and then becoming east in the afternoon. Chance of showers and slight chance of thunderstorms in the late morning and early afternoon. Slight chance of showers late in the afternoon. Waves around 1 ft.
  • Tonight Southeast winds 5 to 10 kt becoming southwest after midnight. Slight chance of showers in the evening. Waves around 1 ft.
  • Thursday West winds 10 to 15 kt becoming east 5 to 10 kt in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves around 1 ft.
  • Thursday Night South winds 5 to 10 kt becoming southwest after midnight. Slight chance of showers and thunderstorms in the evening. Waves around 1 ft.



Additional Forecasts and Information

Zone Area Forecast for Winthrop Harbor to Wilmette Harbor IL
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