098  
FXUS63 KIWX 200752  
AFDIWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
352 AM EDT FRI APR 20 2018  
   
SYNOPSIS
 
 
ISSUED AT 330 AM EDT FRI APR 20 2018  
 
HIGH PRESSURE WILL PROVIDE CLEAR SKIES AND GRADUALLY WARMER  
TEMPERATURES THROUGH THE WEEKEND. HIGHS TODAY WILL BE IN THE 50S,  
EXCEPT A BIT COOLER NEAR LAKE MICHIGAN. MILD WEATHER IS JUST AHEAD  
AND WILL PERSIST INTO THE MIDDLE OF NEXT WEEK WITH HIGHS AROUND  
60 TO THE MID 60S MONDAY THROUGH THURSDAY. DRY WEATHER IS  
FORECAST THROUGH MONDAY, FOLLOWED BY CHANCES FOR RAIN INCREASING  
INTO THE MIDDLE OF NEXT WEEK. NO SNOW IS EXPECTED. TEMPERATURES  
SHOULD STAY ABOVE FREEZING ALL OF NEXT WEEK.  
 

 
   
SHORT TERM
 
(TODAY THROUGH SATURDAY)  
ISSUED AT 323 AM EDT FRI APR 20 2018  
 
HIGH PRESSURE WILL REMAIN OVER THE AREA THROUGH SATURDAY. THE  
HIGH WILL BE ACCOMPANIED BY CLEAR TO MOSTLY CLEAR SKIES AND LIGHT  
WINDS. TEMPERATURES WILL CONTINUE TO BE BELOW NORMAL FOR THIS TIME  
OF YEAR WITH HIGHS AROUND 55. LOWS TONIGHT WILL STILL BE AROUND  
FREEZING. VERY CHILLY LAKE WATER TEMPERATURES IN THE UPPER 30S  
WILL LIMIT HIGHS IN THE IMMEDIATE VICINITY OF LAKE MICHIGAN.  
 

 
   
LONG TERM
 
(SATURDAY NIGHT THROUGH THURSDAY)  
ISSUED AT 323 AM EDT FRI APR 20 2018  
 
AN UPPER LEVEL RIDGE WILL HELP TEMPERATURES FINALLY RISE TO NEAR  
NORMAL EARLY NEXT WEEK AS AN UPPER LEVEL LOW MOVES EAST ACROSS THE  
CONUS. THIS LOW WILL TRACK SOUTH OF THE OHIO RIVER, HELPING TO  
KEEP THE FORECAST AREA IN A MILD AND DRY PATTERN THROUGH MONDAY.  
CHANCES FOR RAIN WILL THEN INCREASE TOWARD THE MIDDLE OF NEXT WEEK  
AS THE PATTERN BECOMES MORE UNSETTLED. AFTER ONE OF THE COLDEST  
STARTS TO SPRING ON RECORD, HIGHS WILL RISE TO AROUND 60 INTO THE  
MIDDLE 60S THROUGH THE MIDDLE OF NEXT WEEK. NO SNOW IS EXPECTED  
WITH TEMPERATURES STAYING ABOVE FREEZING NEXT WEEK.  
 

 
   
AVIATION
 
(FOR THE 06Z TAFS THROUGH 06Z FRIDAY NIGHT)  
ISSUED AT 1220 AM EDT FRI APR 20 2018  
 
HIGH PRESSURE OVER THE UPPER GREAT LAKES WILL PROVIDE A LONG  
DURATION OF VFR FLIGHT CONDITIONS THROUGH THE WEEKEND AND INTO  
NEXT WEEK.  
 

 
   
IWX WATCHES/WARNINGS/ADVISORIES
 
 
IN...NONE.  
MI...NONE.  
OH...NONE.  
LM...NONE.  

 
 

 
 
SYNOPSIS...MURPHY/SKIPPER  
SHORT TERM...SKIPPER  
LONG TERM...SKIPPER  
AVIATION...MURPHY  
 
VISIT US AT WWW.WEATHER.GOV/IWX  
 
FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:  
WWW.FACEBOOK.COM/NWSNORTHERNINDIANA  
WWW.TWITTER.COM/NWSIWX  
WWW.YOUTUBE.COM/NWSNORTHERNINDIANA  
 
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