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 â€‹1991-2020	Dept From Norm
Burlington	66.1°	63.0°	+3.1°	3.03"	4.93"	-1.90"
Cedar Rapids	63.1°	60.3°	+2.8°	5.44"	4.25"	+1.19"
Davenport	65.0°	61.7°	+3.3°	2.93"	4.82"	-1.89"
Dubuque	61.9°	58.8°	+3.1°	6.17"	4.30"	+1.87"
Iowa City	64.9°	62.6°	+2.3°	5.65"	4.48"	+1.17"
Moline	65.6°	62.5°	+3.1°	3.11 "	4.67"	-1.56"

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

May 2024 was about 2 to 3 degrees above normal.

Precipitation totals were about 1 to 2 inches above normal northwest of the Fairfield, Iowa City, and Maquoketa areas,
while to the southeast it was 1 to 2 inches below normal.

Please see May Records for monthly record information.


Burlington	Cedar Rapids	Davenport	Dubuque	Iowa City	Moline

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	Temperature Departure from Normal	Precipitation	Precipitation Percent of Normal

Climate/Almanac Data - Spring Normals - Spring Records

Spring
(Mar-May)

Site	Avg Temp	Normal â€‹1991-2020	Dept From Norm	Precip Total	Normal â€‹1991-2020	Dept From Norm	Snowfall Total	Normal â€‹1991-2020	Dept From Norm
Burlington	55.3° (8)	52.0°	+3.3°	15.60" (10)	11.28"	+4.32"	NA	NA	NA
Cedar Rapids	52.3° (10)	48.6°	+3.7°	10.86"	9.80"	+1.06"	NA	NA	NA
Davenport	53.6°	50.2°	+3.4°	11.37"	10.77"	+0.60"	2.1"	NA	NA
Dubuque	51.0°	47.2°	+3.8°	13.73"	10.61"	+3.12"	10.0"	7.6"	+2.4"
Iowa City	54.1°	51.1°	+3.0°	13.43"	10.45"	+2.98"	NA	NA	NA
Moline	54.7°(4T)	51.2°	+3.7°	12.50"	11.10"	+1.40"	1.5"	5.5"	-4.0"

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

Spring 2024 was about 3 to 4 degrees above normal.

Precipitation totals were about normal at Davenport up to about 4 1/3 inches above normal at Burlington.

Snowfall totals were about 2.5 inches above normal at Dubuque to 4 inches below normal at Moline.

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.

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


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