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 Sunday May 18, 2025.

....IOWA....
Waterloo ASOS                      47
Oelwein AWOS                       46
Oskaloosa AWOS                     44
Mason City ASOS                    43
Ottumwa ASOS                       40
Pella AWOS                         39
Grinnell AWOS                      39
Marshalltown ASOS                  36
....ILLINOIS....
Decatur Airport                    55
Rockford Arpt                      52
Bloomington Airport                50
Jacksonville Arpt                  49
Quincy Arpt                        48
Peoria Arpt                        48
Joliet Arpt                        48
Rochelle Arpt                      46
....MISSOURI....
Columbia Arpt                      56
Chillicothe Arpt                   51
Kirksville Arpt                    45
....WISCONSIN....
Watertown-Arpt                     47
Madison Arpt                       47
Janesville Arpt                    45
Prairie du Chien AWOS              44