Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. 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	74.8°	75.1°	-0.3°	0.30" (2)	4.27"	-3.97"
Cedar Rapids	71.3°	71.0°	+0.3°	0.45" (6)	4.48"	-4.03"
Davenport	72.2°	71.2°	+1.0°	0.73"	4.62"	-3.89"
Dubuque	70.7°	70.0°	+0.7°	1.41"	4.40"	-2.99"
Iowa City	73.4°	72.7°	+0.7°	0.47"	4.50"	-4.03"
Moline	73.5°	73.5°	0.0°	0.15" (1)	4.52"	-4.37"

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

August 2020 was near to around 1 degree above normal.

Precipitation totals for August 2020 were around 3 to 4 inches below normal.

Please see August Records for monthly record information.

**Note - Moline experienced a power loss during the August 10, 2020 Derecho, with the precipitation not able to be recovered**

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

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 Normal	Precipitation Total	Normal	Departure From Normal
Burlington	75.4°	75.1°	+0.3°	9.12"	12.99"	-3.87"
Cedar Rapids	72.5°	71.2°	+1.3°	10.98"	13.86"	-2.88"
Davenport	73.7°	71.6°	+2.1°	10.06"	13.01"	-2.95"
Dubuque	72.2°	70.1°	+2.1°	10.07"	13.11"	-3.04"
Iowa City	74.4°	73.0°	+1.4°	8.60"	14.06"	-5.46"
Moline	74.8°	73.5°	+1.3°	9.15"	13.30"	-4.15"

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

Summer 2020 was near to 2 degrees above normal.

Precipitation totals for Summer 2020 ranged from around 3 to around 5.5 inches below normal.

Please see Summer Records for seasonal record information.

**Note - Moline experienced a power loss during the August 10, 2020 Derecho, with the precipitation not able to be recovered**

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

A LOOK AHEAD

Climate Prediction Center

September Temperature Outlook	September Precipitation Outlook	September - November Temperature Outlook	September - November Precipitation Outlook

DVN RSS Feed

Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

August & Summer 2020 Climate Summaries and September & Fall Outlooks