National Weather Service United States Department of Commerce

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

 
Observed 12-hour minimum temperature  
 
12 Hour Minimum Temperature Archive For The Past Week.
  Latest     Sunday     Monday     Tuesday     Wednesday     Thursday     Friday     Saturday  
12 hour low temperature reports (ending at 7 am CDT and 6 am CST),
for eastern Iowa, northwest and west central Illinois,
and northeast Missouri. Reported Wednesday July 30, 2025.

....IOWA....
Waterloo ASOS                      73
Oskaloosa AWOS                     69
Ottumwa ASOS                       68
Marshalltown ASOS                  68
Mason City ASOS                    68
Pella AWOS                         67
Oelwein AWOS                       66
Grinnell AWOS                      65
....ILLINOIS....
Quincy Arpt                        78
Peoria Arpt                        77
Jacksonville Arpt                  74
Bloomington Airport                74
Joliet Arpt                        74
Decatur Airport                    73
Rockford Arpt                      71
Rochelle Arpt                      69
....MISSOURI....
Columbia Arpt                      76
Chillicothe Arpt                   71
Kirksville Arpt                    70
....WISCONSIN....
Madison Arpt                       71
Janesville Arpt                    68
Prairie du Chien AWOS              68