National Weather Service United States Department of Commerce

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Climate/Almanac Data   -    August Normals     -     August Records
 
August
 

 Site
 
(Click site name for report)

Avg
Temp
Normal Dept
From
Norm
Precip
Total
Normal Dept
From
Norm
  Burlington 73.3° 75.1° -1.8° 3.50" 4.27" -0.77"
  Cedar Rapids 69.3° 71.0° -1.7° 5.26" 4.48" +0.78"
  Davenport 71.3° 71.2° +0.1° 2.95" 4.62" -1.67"
  Dubuque 68.3° 70.0° -1.7° 5.02" 4.40" +0.62"
  Iowa City 73.2° 72.7° +0.5° 4.71" 4.50" +0.21"
  Moline 73.0° 73.5° -0.5° 3.92" 4.52" -0.60"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   August 2019 was about 2 degrees below normal to near normal.
   Precipitation totals for August 2019 were near normal across most of the area, but almost 2 inches below normal in Davenport. 
   Please see August 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
NA NA NA NA
 
 
 
 
Climate/Almanac Data   -   Summer Normals     -     Summer Records
 
Summer
(Jun-Aug)
 

 Site
 (Click site name for report courtesy of the
   Iowa Environmental Mesonet.)

Average
Temperature
Normal Departure
From
Norm
al
Precipitation
Total
Normal Departure
From
Norm
al
  Burlington 74.7° 75.1° -0.4° 9.24" 12.99" -3.75"
  Cedar Rapids 71.3° 71.2° +0.1° 11.62" 13.86" -2.24"
  Davenport 73.2° 71.6° +1.6° 9.49" 13.01" -3.52"
  Dubuque 70.2° 70.1° +0.1° 13.89" 13.11" +0.78"
  Iowa City 74.6° 73.0° +1.6° 9.13" 14.06" -4.93"
  Moline 75.0° 73.5° +1.5° 9.61" 13.30" -3.69"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   Summer 2019 was near normal to 1.5 degrees above normal.
   Precipitation totals for Summer 2019 ranged from about 3/4" above normal at Dubuque to almost 5" below normal at Iowa City.
   
   Please see Summer Records for seasonal record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
 
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
   
NA NA NA NA    
 
 
A LOOK AHEAD
 
Climate Prediction Center
 
September
Temperature Outlook
September
Precipitation Outlook
September - November
Temperature Outlook
September - November
Precipitation Outlook
NA NA NA NA