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 Saturday July 26, 2025.

....IOWA....
Clinton Arpt                       87
Cedar Rapids Arpt                  87
Waterloo ASOS                      86
Davenport Arpt                     86
Marshalltown ASOS                  85
Iowa City Arpt                     85
Burlington Arpt                    84
Oskaloosa AWOS                     83
Grinnell AWOS                      83
Mason City ASOS                    82
Ottumwa ASOS                       80
....ILLINOIS....
Decatur Airport                    91
Peoria Arpt                        88
Jacksonville Arpt                  88
Quincy Arpt                        87
Bloomington Airport                87
Rochelle Arpt                      87
Macomb Arpt                        87
Quad City Arpt                     86
Joliet Arpt                        84
....MISSOURI....
Columbia Arpt                      91
Chillicothe Arpt                   83
....WISCONSIN....
Prairie du Chien AWOS              86
Madison Arpt                       82