569  
FZUS81 KCLE 252211  
ICELIO  
 
GREAT LAKES ICE OUTLOOK  
NATIONAL WEATHER SERVICE CLEVELAND OHIO  
511 PM EST MON JAN 25 2021  
 
ACTIVE WATCHES...WARNINGS...AND ADVISORIES ON THE GREAT LAKES CAN  
BE FOUND AT:  
 
HTTP://WWW.WEATHER.GOV/GREATLAKES/  
 
5 DAY ICE DISCUSSION...  
 
WHILE ICE COVERAGE HAS BEEN INCREASING OVER THE PAST FEW DAYS, IT IS  
STILL RELATIVELY LOW ACROSS THE GREAT LAKES, WITH MAINLY BAYS, HARBORS,  
AND SHORELINES REPORTING ICE COVERAGE. ICE COVER WAS OBSERVED ON LAKE  
SUPERIOR IN ALONG THE WESTERN SHORE, CHEQUAMEGON BAY, THUNDER BAY, BLACK  
BAY AND NIPIGON BAY, NEAR THE APOSTLE ISLANDS, ON LAKE MICHIGAN IN GREEN  
BAY, BIG BAY DE NOC, LITTLE BAY DE NOC, NORTHERN SHORE, AND SOUTHWESTERN  
SHORE, ON LAKE HURON ON SAGINAW BAY, THE NORTHERN SHORELINE OF THE  
GEORGIAN BAY, AND SHORELINES OF THE REST OF LAKE HURON, ON LAKE ERIE IN  
THE FAR WESTERN BASIN AND SANDUSKY BAY, AND THE SOUTHERN SHORE OF LAKE ST.  
CLAIR.  
 
LOW PRESSURE WILL LIFT NORTHEAST ACROSS THE OHIO VALLEY TONIGHT AND  
TOMORROW, MOVING OFF TO THE NEW ENGLAND COAST BY WEDNESDAY MORNING. HIGH  
PRESSURE BUILDS EAST ACROSS THE GREAT LAKES REGION WEDNESDAY NIGHT THROUGH  
SATURDAY. NEAR TO ABOVE NORMAL TEMPERATURES ARE EXPECTED THROUGH TUESDAY  
NIGHT WITH BELOW NORMAL TEMPERATURES FILTERING IN FROM THE NORTHWEST  
WEDNESDAY THROUGH FRIDAY. ABOVE NORMAL TEMPERATURES FILTER IN FROM THE  
WEST SATURDAY ONWARD. SLOW TO MODERATE GROWTH, ESPECIALLY WITH THE BELOW  
NORMAL TEMPERATURES, ARE EXPECTED THROUGH THE FORECAST PERIOD.  
 
THE GREAT LAKES ICE ANALYSIS PRODUCTS CAN BE FOUND AT:  
 
HTTP://USICECENTER.GOV/PRODUCTS/GREATLAKESHOME  
 
AND  
 
HTTP://WWW.GLERL.NOAA.GOV/DATA/ICE/#CURRENTCONDITIONS  
 
MAX WIND (KNOTS) AT EACH SITE FOR THE 12 HOUR FCST PERIOD  
 
LOCATION TONIGHT TUE TUE NIGHT WED WED NIGHT  
WEST SUPERIOR 030/17 030/16 360/15 350/10 360/07  
MID SUPERIOR 030/16 350/15 350/17 340/17 340/13  
EAST SUPERIOR 050/14 360/14 350/15 340/17 340/14  
NORTH MICHIGAN 040/23 010/19 350/17 350/18 340/14  
SOUTH MICHIGAN 060/26 030/23 030/16 350/20 350/13  
NORTH HURON 050/19 030/18 030/14 340/18 360/17  
MID HURON 050/22 050/21 020/17 340/20 350/20  
SOUTH HURON 050/20 040/19 350/16 350/19 350/19  
WEST ERIE 070/21 330/12 340/13 360/16 330/16  
EAST ERIE 070/22 060/18 350/14 350/15 340/17  
CENTRAL ONTARIO 090/22 090/25 350/17 350/15 330/19  
 
A FULL GRAPHICAL FORECAST OF WIND ON THE GREAT LAKES CAN BE FOUND AT:  
HTTP://WWW.WEATHER.GOV/GREATLAKES/  
 
TEMPERATURE FORECASTS FOR SELECTED CITIES  
 
LOCATION 01/26 01/27 01/28 01/29 01/30 01/31  
DULUTH -2 14 -5 12 -3 16 8 22 18 28 20 27  
MARQUETTE 18 24 16 20 12 23 14 25 19 30 24 31  
GREENBAY 20 26 13 23 8 20 12 25 20 32 27 33  
MILWAUKEE 29 31 20 25 13 25 15 30 27 36 31 36  
CHICAGO 31 34 27 31 17 26 15 31 25 37 32 37  
MUSKEGON 26 31 20 27 16 25 17 28 20 32 27 35  
ALPENA 21 26 15 22 8 20 10 21 10 28 24 32  
DETROIT 27 32 25 31 16 25 14 26 17 32 26 38  
TOLEDO 30 32 25 30 15 25 15 27 17 34 29 38  
CLEVELAND 32 35 29 32 24 26 22 26 20 33 29 41  
BUFFALO 26 32 24 29 17 22 12 19 12 27 18 35  
 
A FULL GRAPHICAL FORECAST OF THE GREAT LAKES FORECAST TEMPERATURES  
CAN BE FOUND AT HTTP://WWW.WEATHER.GOV/GREATLAKES/  
 
FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS  
COMPARED TO NORMAL CALCULATED ON MON JAN 25:  
 
LOCATION DATE NORMAL CURRENT  
----------------------------------------  
 
DULUTH, MN JAN 24 1180 766  
MARQUETTE, MI JAN 24 936 513  
SAU_S_MAR, MI JAN 24 716 250  
GREENBAY, WI JAN 24 724 301  
MILWAUKEE, WI JAN 24 407 133  
CHICAGO, IL JAN 24 329 95  
MUSKEGON, MI JAN 24 221 46  
ALPENA, MI JAN 24 523 204  
DETROIT, MI JAN 24 229 41  
TOLEDO, OH JAN 24 239 20  
CLEVELAND, OH JAN 24 125 26  
BUFFALO, NY JAN 24 242 29  
 
 
NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE  
GREAT LAKES FOR MON JAN 25  
 
LOCATION HIGH LOW  
----------------------------------------------  
 
DULUTH,MN 20 0  
MARQUETTE,MI 23 7  
GREENBAY,WI 25 8  
MILWAUKEE,WI 31 17  
CHICAGO,IL 31 15  
MUSKEGON,MI 29 14  
ALPENA,MI 27 8  
DETROIT,MI 31 17  
TOLEDO,OH 32 16  
CLEVELAND,OH 33 19  
BUFFALO,NY 31 17  
 

 
 
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