FPUS63 KDMX 192120 SFTIA IAZ001>099-201000- Tabular State Forecast for Iowa National Weather Service Des Moines IA 420 PM CDT Tue May 19 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 Wed Thu Fri Sat Sun Mon Tue May 20 May 21 May 22 May 23 May 24 May 25 May 26 ...WESTERN IOWA... Spencer Ptcldy Ptcldy Mocldy Mocldy Sunny Sunny Ptcldy 34/61 40/62 43/59 44/70 46/80 52/85 56/86 10/00 00/10 40/70 60/30 10/10 10/10 10/10 Sioux City Ptcldy Ptcldy Mocldy Mocldy Sunny Sunny Ptcldy 38/61 40/64 45/62 44/72 46/82 53/87 56/88 00/00 00/10 50/70 70/30 10/10 10/10 10/10 Carroll Ptcldy Mocldy Shwrs Mocldy Sunny Sunny Ptcldy 39/59 43/61 46/60 47/71 49/80 54/85 58/85 00/00 10/30 70/70 30/20 10/10 10/10 20/10 Atlantic Ptcldy Mocldy Tstrms Ptcldy Sunny Ptcldy Ptcldy 39/59 44/59 47/62 48/71 50/79 55/84 59/84 00/00 10/40 80/80 30/10 10/10 10/10 10/10 Shenandoah Ptcldy Mocldy Mocldy Ptcldy Sunny Ptcldy Ptcldy 41/62 45/61 50/65 49/73 51/80 56/85 60/85 00/00 20/60 80/80 30/10 10/10 10/10 10/10 ...CENTRAL IOWA... Mason City Ptcldy Ptcldy Shwrs Mocldy Sunny Sunny Ptcldy 36/60 42/61 43/59 44/69 47/78 51/83 55/84 10/00 00/10 40/60 40/30 10/10 10/10 10/10 Fort Dodge Ptcldy Mocldy Shwrs Ptcldy Sunny Sunny Ptcldy 39/61 44/61 46/60 46/71 48/81 54/85 58/86 00/00 00/10 60/70 40/20 10/10 10/10 10/10 Ames Ptcldy Mocldy Shwrs Ptcldy Sunny Sunny Ptcldy 41/61 45/61 46/61 48/72 50/80 54/84 58/85 00/00 10/30 70/70 50/10 10/10 10/10 10/10 Marshalltown Sunny Mocldy Shwrs Ptcldy Sunny Sunny Ptcldy 40/61 43/62 44/61 46/72 49/79 53/83 57/84 00/00 00/20 60/70 60/10 10/10 10/10 10/20 Des Moines Sunny Mocldy Shwrs Ptcldy Sunny Ptcldy Ptcldy 44/62 47/62 50/63 50/73 53/80 57/84 61/85 00/00 10/40 80/80 50/20 10/10 10/10 10/10 Creston Sunny Shwrs Tstrms Ptcldy Sunny Ptcldy Ptcldy 41/61 44/60 48/62 49/72 51/79 55/83 60/84 00/00 20/50 80/80 30/10 10/10 10/10 10/10 Lamoni Sunny Shwrs Tstrms Ptcldy Ptcldy Ptcldy Ptcldy 43/61 46/61 50/63 50/72 52/79 56/82 60/84 00/00 20/50 80/80 40/10 10/10 10/10 10/20 ...EASTERN IOWA... Decorah Sunny Ptcldy Mocldy Mocldy Sunny Sunny Ptcldy 40/60 45/61 46/59 48/69 52/77 55/82 60/81 10/00 00/00 40/60 60/20 20/10 10/10 10/20 Oelwein Sunny Mocldy Mocldy Ptcldy Sunny Sunny Ptcldy 41/61 44/61 44/60 47/70 50/78 54/82 58/82 00/00 00/10 40/60 60/20 10/10 10/10 10/20 Waterloo Ptcldy Mocldy Shwrs Ptcldy Sunny Sunny Ptcldy 40/62 44/62 45/61 47/71 50/79 53/83 58/85 00/00 00/10 50/70 70/20 10/10 10/10 10/20 Dubuque Sunny Mocldy Mocldy Ptcldy Ptcldy Sunny Ptcldy 43/64 44/64 46/62 49/72 53/79 55/83 59/84 00/00 00/00 40/50 50/40 10/10 10/10 10/20 Cedar Rapids Sunny Mocldy Mocldy Ptcldy Ptcldy Ptcldy Ptcldy 43/64 44/65 46/63 49/73 52/80 55/84 60/85 00/00 00/10 50/70 70/10 10/10 10/10 10/20 Iowa City Sunny Mocldy Mocldy Ptcldy Ptcldy Ptcldy Ptcldy 45/65 44/67 47/63 49/74 53/80 55/84 60/86 00/00 00/10 50/70 70/10 20/20 10/10 10/20 Quad Cities Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy Ptcldy 46/66 44/68 48/64 50/74 54/80 57/84 61/86 00/00 00/00 40/60 60/20 10/10 10/10 20/20 Ottumwa Sunny Mocldy Shwrs Ptcldy Ptcldy Ptcldy Ptcldy 44/64 46/66 50/63 51/74 54/80 57/84 61/86 00/00 10/30 60/70 70/10 20/20 10/10 20/20 Burlington Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy Ptcldy 47/66 45/68 50/64 52/75 55/80 57/83 61/85 00/00 00/10 50/70 70/10 20/20 10/10 10/20 Keokuk Sunny Ptcldy Mocldy Ptcldy Ptcldy Ptcldy Ptcldy 47/66 46/68 52/64 53/74 56/79 59/83 63/85 00/00 00/20 50/70 70/10 20/20 10/10 10/30 $$