Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Disclaimer: Sampled values on map may not reflect actual readings. These can be found in the table below the map.

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 August 11, 2025.

....IOWA....
Oskaloosa AWOS                     67
Pella AWOS                         66
Ottumwa ASOS                       65
Grinnell AWOS                      64
Waterloo ASOS                      64
Marshalltown ASOS                  63
Oelwein AWOS                       63
Mason City ASOS                    60
....ILLINOIS....
Decatur Airport                    74
Joliet Arpt                        73
Peoria Arpt                        71
Quincy Arpt                        70
Rochelle Arpt                      70
Jacksonville Arpt                  69
Bloomington Airport                69
Rockford Arpt                      69
....MISSOURI....
Kirksville Arpt                    72
Chillicothe Arpt                   71
Columbia Arpt                      71
....WISCONSIN....
Janesville Arpt                    70
Madison Arpt                       69
Prairie du Chien AWOS              67

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Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Observed Low Temperature