Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. 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	63.2°	63.0°	+0.2°	1.73"	4.93"	-3.20"
Cedar Rapids	61.3°	60.3°	+1.0°	1.86"	4.25"	-2.39"
Davenport	62.4°	61.7°	+0.7°	1.18"	4.82"	-3.64"
Dubuque	60.0°	58.8°	+1.2°	1.34" (9th)	4.30"	-2.96"
Iowa City	62.9°	62.6°	+0.3°	1.70"	4.48"	-2.78"
Moline	61.9°	62.5°	-0.6°	2.27"	4.67"	-2.40"

The ranking is listed in parentheses (__) when within the "Top 10".

May 2026 was 0.2 to 1.2 degrees above normal.

Precipitation totals were 2.4 to 3.6 inches below normal.

Please see MAY Records for record information. To view individual temperature/precipitation graphs click here.

The climate maps below are courtesy of the Northeast Regional Climate Center and Midwest Regional Climate Center.

These maps should update by early afternoon on the first of the month.

Average Temperature	Average Temperature Departure from Mean	Accumulated Precipitation	Accumulated Precipitation Percent of Mean

Climate/Almanac Data - Spring Normals - Spring Records

Spring
(Mar-May)

Site	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	55.9° (6th)	52.0°	+3.9°	11.64"	11.28"	+0.36"	NA	NA	NA
Cedar Rapids	52.7° (9th)	48.6°	+4.1°	9.96"	9.80"	+0.16"	NA	NA	NA
Davenport	54.1°	50.2°	+3.9°	9.22"	10.77"	-1.55"	8.0"	NA	NA
Dubuque	51.3°	47.2°	+4.1°	12.96"	10.61"	+2.35"	6.4"	7.6"	-1.2"
Iowa City	54.7°	51.1°	+3.6°	10.84"	10.45"	+0.39"	NA	NA	NA
Moline	54.4° (7th)	51.2°	+3.2°	11.54"	11.10"	+0.44"	7.0"	5.5"	+1.5"

The ranking is listed in parentheses (__) when within the "Top 10".

Spring 2026 was 3.2 to 4.1 degrees above normal.

Precipitation totals ranged from 1.55 below to 2.35 inches above normal.

Snowfall totals ranged from 1.2 below to 1.5 inches above normal.

Please see Spring Records for seasonal record information.

The climate maps below are courtesy of the Northeast Regional Climate Center and Midwest Regional Climate Center.


Mar-May Average Temperature	Mar-May Temperature Departure from Normal	Mar-May Precipitation	Mar-May Precipitation Percent of Normal	Accumulated Snowfall	Accumulated Snowfall Percent of Mean