Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

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

24 Hour Maximum Temperature Archive For The Past Week.
Latest	Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday

Yesterday's 24 hour high temperature reports,
for eastern Iowa, northwest and west central Illinois,
and northeast Missouri. Reported Tuesday September 30, 2025.

....IOWA....
Oskaloosa AWOS                     91
Davenport Arpt                     91
Waterloo ASOS                      89
Clinton Arpt                       89
Iowa City Arpt                     89
Ottumwa ASOS                       88
Mason City ASOS                    87
Cedar Rapids Arpt                  87
Burlington Arpt                    87
Marshalltown ASOS                  86
Grinnell AWOS                      86
....ILLINOIS....
Decatur Airport                    93
Bloomington Airport                91
Sterling Arpt                      91
Macomb Arpt                        91
Peoria Arpt                        90
Joliet Arpt                        90
Quad City Arpt                     90
Jacksonville Arpt                  89
Rochelle Arpt                      89
Quincy Arpt                        87
....MISSOURI....
Chillicothe Arpt                   87
Columbia Arpt                      85
....WISCONSIN....
Watertown-Arpt                     86
Madison Arpt                       86
Prairie du Chien AWOS              86

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Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

Monday Observed High Temperature