National Weather Service United States Department of Commerce

Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Climate/Almanac Data     -      APR Normals     -     APR Records
 
APRIL
 

 Site (Click site name for report)

Avg
Temp
Norm Dept
From
Norm
Precip
Total
Norm Dept
From
Norm
Snow
Total
Norm Dept
From
Norm
  Burlington 44.4° 53.8° -9.4° 0.59" 3.76" -3.17" NA 0.1" NA
  Cedar Rapids 41.5° 49.2° -7.7° 0.43" 3.05" -2.62" NA 1.0" NA
  Davenport 41.4° 50.3° -8.9° 0.80" 3.51" -2.71" 3.5" NA NA
  Dubuque 38.8° (1) 48.2° -9.4° 1.59" 3.66" -2.07" 8.6" (5) 2.0" +6.6"
  Iowa City 42.5° 51.0° -8.5° 0.68" 3.50" -2.82" NA NA NA
  Moline 43.1° (3) 51.4° -8.4° 0.95" (10) 3.59" -2.64" 3.2" 0.9" +2.3"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   APRIL 2018 was about 8 to 9.5 degrees below normal.
   Precipitation totals for APRIL 2018 were about 2 to 3 inches below normal.
   Snowfall totals for APRIL 2018 were about 2 to 7 inches above normal.
   Please see APR Records for monthly record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
These maps become available around 10am on the first of the month.
           
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
Accumulated
Snowfall
Accumulated
Snowfall
Percent of Mean
NA NA NA NA NA NA
 
 
 
A LOOK AHEAD
 
 
May
Temperature Outlook
May
Precipitation Outlook
May - July
Temperature Outlook
May - July
Precipitation Outlook
NA NA NA NA