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 16, 2025.

....IOWA....
Pella AWOS                         70
Ottumwa ASOS                       70
Oskaloosa AWOS                     70
Waterloo ASOS                      70
Oelwein AWOS                       70
Marshalltown ASOS                  69
Mason City ASOS                    69
Grinnell AWOS                      68
....ILLINOIS....
Joliet Arpt                        75
Peoria Arpt                        74
Decatur Airport                    74
Rockford Arpt                      74
Jacksonville Arpt                  73
Quincy Arpt                        72
Bloomington Airport                71
Rochelle Arpt                      67
....MISSOURI....
Chillicothe Arpt                   76
Columbia Arpt                      73
Kirksville Arpt                    70
....WISCONSIN....
Madison Arpt                       71
Prairie du Chien AWOS              70
Watertown-Arpt                     67
Janesville Arpt                    66