FPUS63 KDMX 210920 SFTIA IAZ001>099-212200- Tabular State Forecast for Iowa National Weather Service Des Moines IA 420 AM CDT Sun Jun 21 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Today Mon Tue Wed Thu Fri Sat Jun 21 Jun 22 Jun 23 Jun 24 Jun 25 Jun 26 Jun 27 ...WESTERN IOWA... Spencer Mocldy Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy /70 50/77 54/77 55/76 51/76 52/78 59/83 /60 10/10 10/50 50/10 00/10 10/30 40/40 Sioux City Mocldy Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy /71 53/77 56/79 57/78 53/79 56/80 63/87 /100 10/10 10/60 60/10 00/10 40/40 40/30 Carroll Tstrms Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy /68 53/77 55/79 59/79 55/78 56/80 62/85 /90 10/10 00/20 30/30 10/10 10/30 30/30 Atlantic Shwrs Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy /68 54/75 56/77 60/78 56/78 58/79 65/84 /100 10/10 10/10 40/30 10/10 20/20 40/40 Shenandoah Mocldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /73 55/76 57/79 61/80 58/79 59/81 66/86 /100 10/10 10/10 20/20 10/10 20/30 40/40 ...CENTRAL IOWA... Mason City Shwrs Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy /69 52/77 54/78 58/76 54/76 54/78 60/82 /60 20/00 00/20 80/50 10/10 10/10 30/30 Fort Dodge Shwrs Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy /68 53/77 55/79 59/78 55/78 56/80 62/84 /70 10/00 00/10 40/40 10/00 10/20 30/30 Ames Shwrs Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy /67 53/77 56/79 60/79 57/78 57/80 62/84 /100 20/00 00/10 40/40 10/00 10/10 40/40 Marshalltown Shwrs Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy /66 52/76 54/77 59/78 55/77 55/79 61/82 /100 20/00 00/00 40/40 10/00 10/10 30/30 Des Moines Tstrms Sunny Sunny Sunny Sunny Ptcldy Ptcldy /67 55/76 57/78 62/79 59/79 59/80 64/84 /100 20/10 00/00 30/30 10/10 10/20 40/40 Creston Tstrms Ptcldy Ptcldy Ptcldy Sunny Ptcldy Ptcldy /69 54/75 56/78 61/79 57/78 58/79 64/84 /100 10/10 00/00 30/30 10/10 10/20 40/40 Lamoni Tstrms Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /70 55/74 56/77 61/79 58/78 59/79 65/83 /100 20/10 10/10 30/30 10/10 10/30 40/40 ...EASTERN IOWA... Decorah Mocldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /68 54/75 55/75 60/74 57/74 56/76 61/79 /60 30/00 00/20 80/80 30/10 10/10 30/30 Oelwein Mocldy Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy /66 52/75 54/76 59/76 55/75 55/77 60/80 /70 30/00 00/10 60/60 20/10 10/10 30/30 Waterloo Shwrs Ptcldy Ptcldy Shwrs Sunny Sunny Ptcldy /67 52/77 54/78 59/78 55/77 55/7961/82 /80 30/00 00/10 60/60 20/10 10/10 30/30 Dubuque Mocldy Ptcldy Ptcldy Ptcldy Sunny Ptcldy Ptcldy /68 54/77 55/78 60/79 57/77 57/79 60/82 /90 40/00 00/00 50/50 30/10 10/10 20/30 Cedar Rapids Mocldy Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /66 53/77 54/78 59/80 57/78 56/80 61/83 /100 40/00 00/00 30/30 10/10 10/10 30/30 Iowa City Mocldy Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /66 54/76 54/78 59/79 57/78 57/80 61/83 /100 40/00 00/00 30/30 10/10 10/20 30/30 Quad Cities Mocldy Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /67 54/76 55/78 60/80 59/78 58/80 62/83 /100 60/10 00/00 30/30 20/10 10/10 30/40 Ottumwa Tstrms Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy /68 54/76 55/79 60/81 58/79 58/81 63/85 /100 40/00 00/00 20/20 10/10 10/20 40/40 Burlington Mocldy Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /68 55/75 55/77 59/79 59/78 58/79 63/83 /100 50/00 00/00 10/20 20/10 10/20 40/40 Keokuk Mocldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /69 57/74 57/77 60/79 60/78 60/79 64/83 /100 40/00 00/00 10/10 10/10 10/20 40/40 $$