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 Tuesday August 19, 2025.

....IOWA....
Oskaloosa AWOS                     95
Burlington Arpt                    92
Clinton Arpt                       91
Iowa City Arpt                     91
Davenport Arpt                     91
Cedar Rapids Arpt                  89
Grinnell AWOS                      87
Marshalltown ASOS                  86
Waterloo ASOS                      85
Dubuque Arpt                       85
Mason City ASOS                    83
....ILLINOIS....
Peoria Arpt                        94
Macomb Arpt                        94
Decatur Airport                    93
Quincy Arpt                        92
Jacksonville Arpt                  92
Quad City Arpt                     92
Bloomington Airport                91
Rochelle Arpt                      88
Joliet Arpt                        88
....MISSOURI....
Columbia Arpt                      96
....WISCONSIN....
Prairie du Chien AWOS              83
Madison Arpt                       77