Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. 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 Wednesday October 01, 2025.

....IOWA....
Iowa City Arpt                     90
Davenport Arpt                     90
Burlington Arpt                    89
Ottumwa ASOS                       88
Waterloo ASOS                      88
Clinton Arpt                       88
Cedar Rapids Arpt                  87
Grinnell AWOS                      85
Marshalltown ASOS                  84
Mason City ASOS                    83
....ILLINOIS....
Sterling Arpt                      89
Macomb Arpt                        89
Quad City Arpt                     89
Quincy Arpt                        88
Jacksonville Arpt                  88
Decatur Airport                    88
Bloomington Airport                88
Peoria Arpt                        87
Rochelle Arpt                      86
Joliet Arpt                        86
....MISSOURI....
Columbia Arpt                      88
....WISCONSIN....
Watertown-Arpt                     86
Prairie du Chien AWOS              85
Madison Arpt                       83

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Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Observed High Temperature Map