National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from parts of Plains to Great Lakes on Labor Day

Isolated severe thunderstorms are forecast to develop on Labor Day along and ahead of a cold front from parts of the southern Great Lakes southwestward across Illinois and Missouri into southeast Kansas. Damaging winds, large hail and heavy rainfall will be possible with these storms.
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Last Update: 300 AM PDT MON SEP 1 2014

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Northern Inland Waters Including The San Juan Islands

Marine Zone Forecast





  • SynopsisA WEAK FRONT WILL DISSIPATE OVER THE COASTAL WATERS THIS MORNING. ANOTHER SYSTEM WILL BRING A PERIOD OF STRONG ONSHORE FLOW LATE TUE. HIGH PRESSURE WILL BUILD OVER THE REGION BY THU.
  • Today S wind 5 to 15 kt. Wind waves 2 ft or less.
  • Tonight SW wind 5 to 15 kt...becoming 10 to 20 kt after midnight. Wind waves 1 to 3 ft.
  • Tue W wind 10 to 20 kt...becoming 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft. A slight chance of rain in the morning...then rain likely in the afternoon.
  • Tue Night W wind 10 to 20 kt...becoming 5 to 15 kt. Wind waves 1 to 3 ft.
  • Wed S wind 5 to 15 kt...becoming SW in the afternoon. Wind waves 2 ft or less.
  • Wed Night Light wind...becoming W to 10 kt after midnight. Wind waves 1 ft or less.
  • Thu NW wind 5 to 15 kt. Wind waves 2 ft or less.
  • Fri NW wind 10 kt...rising to 5 to 15 kt. Wind waves 2 ft or less.



Additional Forecasts and Information

Zone Area Forecast for Northern Inland Waters Including The San Juan Islands
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