National Weather Service United States Department of Commerce

Flash Flooding Likely into Tonight for Portions of Kansas and Missouri; Heat Wave Expands to the East Coast; Tropical Storm Krosa Forms Near the Marianas.

Flash flooding likely in northeast Kansas & Missouri into tonight. Widespread extreme heat will develop and persist across much of the Southeast this weekend & next week. Tropical Storm Krosa has formed and will continue to cause heavy rain across Guam & the CNMI through Saturday. Severe storms with flooding rains expected into tonight for portions of the Midwest. Read More >

Climate/Almanac Data   -    May Normals     -     May Records
 
May
 

 Site
 
(Click site name for report)

Avg
Temp
Normal
1991-2020
Dept
From
Norm
Precip
Total
Normal
​1991-2020
Dept
From
Norm
  Burlington 64.7° 63.0° +1.7° 2.97" 4.93" -1.96"
  Cedar Rapids 63.4° 60.3° +3.1° 2.29" 4.25" -1.96"
  Davenport 64.9° 61.7° +3.2° 2.42" 4.82" -2.40"
  Dubuque 61.8° 58.8° +3.0° 2.19" 4.30" -2.11"
  Iowa City 64.8° 62.6° +2.2° 2.57" 4.48" -1.91"
  Moline 65.7° 62.5° +3.2° 1.38" 4.67" -3.29"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   May 2023 was about 2 to 3 degrees above normal.
   Precipitation totals were about 2 to 3 inches below normal.
   Please see May Records for monthly record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
Some of these maps become available during the afternoon 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   -   Spring Normals     -     Spring Records
 
Spring
(Mar-May)
 
 
 

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

Avg
Temp
Normal
​1991-2020
Dept
From
Norm
Precip
Total
Normal
​1991-2020
Dept
From
Norm
Snowfall
Total
Normal
​1991-2020
Dept
From
Norm
  Burlington 52.2° 52.0° +0.2° 7.17" 11.28" -4.11" NA NA NA
  Cedar Rapids 49.7° 48.6° +1.1° 4.32" 9.80" -5.48" NA NA NA
  Davenport 51.5° 50.2° +1.3° 6.64" 10.77" -4.13" 13.8" NA NA
  Dubuque 48.2° 47.2° +1.0° 5.98" 10.61" -4.63" 15.0" 7.6" +7.4"
  Iowa City 51.3° 51.1° +0.2° 5.63" 10.45" -4.82" NA NA NA
  Moline 53.0° 51.2° +1.8° 5.22" 11.10" -5.88" 10.5" 5.5" +5.0"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   Spring 2023 was about normal to 2 degrees above normal.
   Precipitation totals were about 4 to 6 inches below normal!
   Snowfall totals were about 5 to 7 inches above normal.
   Please see Spring Records for seasonal record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
Some of these maps become available during the afternoon 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
 
 
 
A LOOK AHEAD
 
Climate Prediction Center
 
June
Temperature Outlook
June
Precipitation Outlook
June - August
Temperature Outlook
June - August
Precipitation Outlook
NA NA NA NA