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 Monday July 28, 2025.

....IOWA....
Ottumwa ASOS                       69
Oskaloosa AWOS                     69
Pella AWOS                         68
Marshalltown ASOS                  67
Grinnell AWOS                      66
Waterloo ASOS                      66
Mason City ASOS                    66
Oelwein AWOS                       66
....ILLINOIS....
Rockford Arpt                      83
Jacksonville Arpt                  78
Decatur Airport                    76
Joliet Arpt                        76
Quincy Arpt                        73
Peoria Arpt                        73
Bloomington Airport                72
Rochelle Arpt                      71
....MISSOURI....
Chillicothe Arpt                   79
Columbia Arpt                      76
Kirksville Arpt                    73
....WISCONSIN....
Madison Arpt                       73
Janesville Arpt                    72
Prairie du Chien AWOS              68