National Weather Service United States Department of Commerce

Excessive Heat Continues for the Pacific Northwest; Flooding Impacts Expected in the Southwest U.S.

A dangerous heat wave persists for the Northwest into portions of California today with excessive heat warnings and heat advisories in effect. The active monsoon pattern with organized showers and thunderstorms and possible flash flooding with debris flows continues and will become enhanced in the Southwestern U.S. through Saturday. Read More >

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 Thursday August 18, 2022.

Oskaloosa AWOS 9 ESE               61
Waterloo ASOS 5 NW                 60
Grinnell AWOS 2 SSW                60
Pella AWOS 2 WSW                   59
Mason City ASOS 6 W                58
Oelwein AWOS                       57
Clinton Arpt                       57
Muscatine Arpt                     57
Ottumwa ASOS 6 NNW                 56
Marshalltown ASOS 4 N              56
Dubuque Arpt                       56
Independence Arpt                  56
Iowa City Arpt                     55
Davenport Arpt                     55
Keokuk Arpt                        55
Cedar Rapids Arpt                  54
Fairfield Arpt                     54
Ft Madison Arpt                    54
Burlington Arpt                    53
Washington Arpt                    52
Mt Pleasant Arpt                   52
Peoria Arpt                        61
Bloomington Airport                59
Decatur Airport                    59
Quad City Arpt                     57
Quincy Arpt                        57
Rockford Arpt                      56
Joliet Arpt                        56
Sterling Arpt                      56
Freeport Arpt                      55
Jacksonville Arpt                  54
Rochelle Arpt                      53
Macomb Arpt                        50
Columbia Arpt                      61
Chillicothe Arpt                   60
Kirksville Arpt                    54
Prairie du Chien AWOS              57
Madison Arpt                       56
Janesville Arpt                    55