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 Tuesday July 15, 2025.

....IOWA....
Waterloo ASOS                      69
Marshalltown ASOS                  67
Mason City ASOS                    67
Oskaloosa AWOS                     66
Pella AWOS                         65
Grinnell AWOS                      65
Oelwein AWOS                       64
Ottumwa ASOS                       63
....ILLINOIS....
Peoria Arpt                        71
Rockford Arpt                      71
Quincy Arpt                        70
Decatur Airport                    70
Bloomington Airport                69
Jacksonville Arpt                  67
Joliet Arpt                        66
Rochelle Arpt                      61
....MISSOURI....
Columbia Arpt                      70
Kirksville Arpt                    67
....WISCONSIN....
Madison Arpt                       68
Prairie du Chien AWOS              68
Watertown-Arpt                     63
Janesville Arpt                    63