FPUS63 KDMX 182120 SFTIA IAZ001>099-191000- Tabular State Forecast for Iowa National Weather Service Des Moines IA 420 PM CDT Mon May 18 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 Tue Wed Thu Fri Sat Sun Mon May 19 May 20 May 21 May 22 May 23 May 24 May 25 ...WESTERN IOWA... Spencer Mocldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy Ptcldy 44/57 33/61 40/62 41/63 44/71 49/81 55/86 80/10 00/00 00/20 30/60 60/30 10/10 20/10 Sioux City Ptcldy Ptcldy Mocldy Mocldy Mocldy Ptcldy Ptcldy 44/61 34/62 42/62 43/65 45/74 49/83 55/87 80/10 00/00 10/30 40/60 50/30 10/10 20/10 Carroll Mocldy Ptcldy Mocldy Tstrms Mocldy Ptcldy Ptcldy 47/59 39/60 43/61 45/64 47/73 51/81 57/86 90/10 00/00 00/40 60/60 50/20 20/20 10/10 Atlantic Mocldy Ptcldy Shwrs Tstrms Ptcldy Ptcldy Ptcldy 48/60 40/59 44/60 47/64 48/73 53/81 58/84 90/10 00/00 10/60 70/70 40/20 20/20 20/10 Shenandoah Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy Ptcldy 49/62 41/61 45/62 49/67 50/75 54/81 60/85 90/10 00/00 30/60 70/70 30/20 20/20 20/10 ...CENTRAL IOWA... Mason City Mocldy Sunny Mocldy Shwrs Ptcldy Ptcldy Ptcldy 49/57 37/60 42/60 42/62 44/71 48/79 53/84 80/30 00/00 00/20 40/50 50/30 20/20 20/10 Fort Dodge Mocldy Ptcldy Mocldy Tstrms Ptcldy Ptcldy Ptcldy 48/59 39/61 45/62 46/64 46/73 51/81 56/86 80/20 00/00 00/30 50/50 50/20 20/20 10/10 Ames Mocldy Ptcldy Mocldy Tstrms Ptcldy Ptcldy Ptcldy 52/61 41/62 45/62 46/64 48/74 52/81 57/85 90/30 00/00 00/30 60/60 40/20 10/10 10/10 Marshalltown Mocldy Ptcldy Ptcldy Shwrs Ptcldy Ptcldy Ptcldy 53/62 40/61 43/62 45/63 47/74 51/80 56/85 80/30 00/00 00/30 60/60 40/20 10/10 20/10 Des Moines Mocldy Ptcldy Mocldy Tstrms Ptcldy Ptcldy Ptcldy 52/63 45/62 47/62 50/65 51/75 55/81 60/85 90/30 00/00 10/30 60/60 40/20 20/20 10/10 Creston Mocldy Ptcldy Shwrs Tstrms Ptcldy Ptcldy Ptcldy 50/61 41/60 45/61 48/65 49/74 54/80 59/84 90/20 00/00 10/50 70/70 40/20 20/20 20/10 Lamoni Mocldy Ptcldy Shwrs Tstrms Ptcldy Ptcldy Ptcldy 53/63 44/61 46/62 50/66 51/75 55/80 60/84 90/20 00/00 10/50 70/70 30/20 20/20 20/20 ...EASTERN IOWA... Decorah Mocldy Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy 53/59 42/60 44/60 46/62 48/70 53/78 57/83 60/30 00/00 00/10 40/50 50/30 20/10 20/10 Oelwein Mocldy Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy 54/61 41/61 44/61 44/62 47/71 52/78 56/83 60/30 00/00 00/10 50/50 50/20 10/10 20/20 Waterloo Mocldy Sunny Ptcldy Shwrs Ptcldy Ptcldy Ptcldy 53/62 41/62 44/63 45/64 46/73 51/80 56/84 80/30 00/00 00/20 50/50 50/20 10/10 20/20 Dubuque Mocldy Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy 61/67 45/64 44/64 46/65 49/73 53/79 57/84 60/40 00/00 00/00 40/60 60/30 20/20 20/20 Cedar Rapids Mocldy Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy 60/66 44/64 45/65 47/65 49/74 53/81 58/85 80/30 00/00 00/10 50/60 60/10 20/20 20/20 Iowa City Mocldy Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy 61/68 45/64 45/66 48/65 50/75 54/81 58/86 80/30 00/00 00/20 50/60 60/10 20/20 20/20 Quad Cities Ptcldy Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy 62/73 46/66 44/68 48/66 51/76 55/82 60/86 60/20 00/00 00/10 40/60 60/20 20/20 20/20 Ottumwa Mocldy Sunny Ptcldy Shwrs Ptcldy Ptcldy Ptcldy 59/65 45/64 45/66 50/66 51/76 56/82 60/86 80/30 00/00 00/30 60/70 50/20 20/20 20/20 Burlington Mocldy Sunny Ptcldy Mocldy Mocldy Ptcldy Ptcldy 62/73 48/66 46/69 50/67 52/76 55/82 59/85 60/30 00/00 00/10 50/70 60/10 20/20 20/20 Keokuk Mocldy Sunny Ptcldy Mocldy Mocldy Ptcldy Ptcldy 62/72 50/66 48/68 52/67 54/76 57/81 61/84 70/20 00/00 00/10 50/70 60/20 20/20 20/20 $$