National Weather Service United States Department of Commerce

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Disclaimer: Sampled values on map may not reflect actual readings.  These can be found in the table below the map.

 
Observed 24-hour maximum temperature  
 
24 Hour Maximum Temperature Archive For The Past Week.
  Latest     Sunday     Monday     Tuesday     Wednesday     Thursday     Friday     Saturday  
Yesterday's 24 hour high temperature reports,
for eastern Iowa, northwest and west central Illinois,
and northeast Missouri. Reported Friday August 22, 2025.

....IOWA....
Oskaloosa AWOS                     83
Mason City ASOS                    81
Iowa City Arpt                     81
Davenport Arpt                     81
Ottumwa ASOS                       80
Marshalltown ASOS                  80
Waterloo ASOS                      80
Burlington Arpt                    80
Cedar Rapids Arpt                  79
Grinnell AWOS                      78
Clinton Arpt                       77
....ILLINOIS....
Decatur Airport                    83
Peoria Arpt                        82
Bloomington Airport                81
Macomb Arpt                        81
Joliet Arpt                        80
Quincy Arpt                        79
Jacksonville Arpt                  79
Quad City Arpt                     79
Rochelle Arpt                      78
....MISSOURI....
Columbia Arpt                      84
....WISCONSIN....
Madison Arpt                       78
Prairie du Chien AWOS              77