National Weather Service United States Department of Commerce

Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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 Thursday July 24, 2025.

....IOWA....
Iowa City Arpt                     93
Oskaloosa AWOS                     92
Waterloo ASOS                      91
Mason City ASOS                    91
Clinton Arpt                       91
Davenport Arpt                     91
Cedar Rapids Arpt                  91
Burlington Arpt                    91
Ottumwa ASOS                       90
Marshalltown ASOS                  89
Grinnell AWOS                      89
....ILLINOIS....
Decatur Airport                    94
Joliet Arpt                        94
Peoria Arpt                        93
Quincy Arpt                        92
Bloomington Airport                92
Quad City Arpt                     92
Jacksonville Arpt                  91
Macomb Arpt                        91
Rochelle Arpt                      90
....MISSOURI....
Columbia Arpt                      91
....WISCONSIN....
Prairie du Chien AWOS              92
Madison Arpt                       91