National Weather Service United States Department of Commerce

Heavy snow forecast for parts of Upper Midwest and western Great Lakes

A cold air mass behind a cold front will bring below-normal temperatures across much of the eastern and northern U.S. on Wednesday and allow for snow, heavy at times, to develop across parts of the Upper Midwest and western Great Lakes, mainly from central Minnesota to northern Michigan. Winter Storm Warnings and Winter Weather Advisories are in effect across the region.
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Hazardous Weather Conditions

Last Update: 347 PM EDT WED APR 16 2014

View Nearby Observations

Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...



  • SynopsisHIGH PRESSURE WILL CREST ACROSS THE AREA TONIGHT BEFORE MOVING INTO NEW ENGLAND THURSDAY. A RIDGE EXTENDING ACROSS THE MIDDLE ATLANTIC REGION WILL CONTINUE TO INFLUENCE OUR WEATHER INTO FRIDAY. A COLD FRONT AND UPPER TROUGH WILL CROSS OUR AREA FRIDAY NIGHT AND EARLY SATURDAY. MORE HIGH PRESSURE WILL ARRIVE LATER SATURDAY AND REMAIN OVER THE AREA INTO MONDAY. A DISTURBANCE WILL MOVE TOWARDS THE AREA NEXT TUESDAY.
  • Tonight NE winds 15 to 20 kt. Seas 4 to 6 ft. Mainly in SE swell with a dominant period of 10 seconds.
  • Thu E winds around 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Mainly in E swell with a dominant period of 10 seconds.
  • Thu Night NE winds 15 to 20 kt. Seas 4 to 7 ft. Mainly in E swell with a dominant period of 9 seconds.
  • Fri NE winds 15 to 20 kt. Seas 4 to 6 ft. Mainly in E swell with a dominant period of 8 seconds.
  • Fri Night NE winds 10 to 15 kt. Seas 4 to 6 ft.
  • Sat NW winds 5 to 10 kt. Seas 3 to 5 ft.
  • Sat Night N winds 5 to 10 kt. Seas 3 to 4 ft.
  • Sun E winds 10 to 15 kt...diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
  • Mon SE winds 5 to 10 kt...becoming SW after midnight. Seas 2 to 3 ft.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm