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 May 21, 2025.

....IOWA....
Oskaloosa AWOS                     52
Ottumwa ASOS                       50
Grinnell AWOS                      50
Pella AWOS                         49
Marshalltown ASOS                  49
Waterloo ASOS                      48
Mason City ASOS                    46
Oelwein AWOS                       46
....ILLINOIS....
Decatur Airport                    58
Peoria Arpt                        54
Jacksonville Arpt                  54
Bloomington Airport                54
Quincy Arpt                        53
Joliet Arpt                        51
Rockford Arpt                      48
Rochelle Arpt                      47
....MISSOURI....
Kirksville Arpt                    58
Chillicothe Arpt                   53
Columbia Arpt                      52
....WISCONSIN....
Janesville Arpt                    45
Prairie du Chien AWOS              45
Madison Arpt                       42
Watertown-Arpt                     40