Expires:202505211000;;865946 FPUS63 KDMX 202120 SFTIA IAZ001>099-211000- Tabular State Forecast for Iowa National Weather Service Des Moines IA 420 PM CDT Tue May 20 2025 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 21 May 22 May 23 May 24 May 25 May 26 May 27 ...WESTERN IOWA... Spencer Mocldy Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy 40/55 39/66 39/68 46/66 46/67 44/68 46/73 40/30 30/10 10/30 30/40 50/40 40/40 40/20 Sioux City Mocldy Ptcldy Shwrs Shwrs Shwrs Ptcldy Ptcldy 40/60 38/65 41/62 48/66 47/66 45/67 44/73 30/20 20/10 10/50 50/50 60/50 40/40 30/20 Carroll Ptcldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Sunny 43/57 42/64 41/67 48/67 47/66 46/67 46/72 20/20 20/10 00/30 30/50 50/40 40/40 40/20 Atlantic Ptcldy Ptcldy Ptcldy Shwrs Ptcldy Ptcldy Sunny 43/62 41/63 41/65 49/66 47/64 45/66 45/70 10/10 10/00 00/30 30/50 60/40 40/40 30/10 Shenandoah Sunny Sunny Ptcldy Shwrs Shwrs Ptcldy Ptcldy 42/67 43/66 43/67 52/68 50/66 47/67 47/72 10/10 10/00 00/40 40/60 60/50 40/40 20/10 ...CENTRAL IOWA... Mason City Shwrs Ptcldy Ptcldy Ptcldy Mocldy Ptcldy Ptcldy 43/50 42/63 41/66 45/65 45/65 45/66 47/71 50/50 40/20 10/10 20/30 40/30 30/30 30/20 Fort Dodge Mocldy Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy 43/56 42/64 41/68 47/66 47/65 46/67 47/71 30/30 30/10 10/20 20/40 50/40 40/40 40/20 Ames Mocldy Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy 45/58 43/64 41/69 48/67 49/65 47/67 47/72 30/30 20/10 10/10 20/40 50/40 40/40 40/20 Marshalltown Mocldy Ptcldy Ptcldy Ptcldy Mocldy Ptcldy Ptcldy 46/56 42/64 41/68 47/66 47/65 46/67 47/70 30/30 30/10 10/10 20/30 50/40 40/40 40/20 Des Moines Ptcldy Ptcldy Ptcldy Mocldy Ptcldy Ptcldy Sunny 47/59 45/64 44/68 51/66 50/66 49/67 49/71 20/10 10/10 00/10 20/40 60/40 40/40 30/20 Creston Ptcldy Ptcldy Ptcldy Shwrs Shwrs Ptcldy Sunny 45/63 42/63 41/65 50/66 50/64 47/65 47/70 10/10 10/10 00/30 30/60 60/50 40/40 30/20 Lamoni Ptcldy Ptcldy Ptcldy Shwrs Shwrs Ptcldy Sunny 45/64 44/63 44/66 50/65 50/65 48/66 49/70 10/10 10/00 00/20 30/60 60/60 40/40 20/20 ...EASTERN IOWA... Decorah Shwrs Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 45/50 44/61 42/63 45/63 46/64 47/65 47/68 100/80 70/20 10/00 10/20 30/30 30/30 30/30 Oelwein Mocldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 46/52 44/62 41/65 46/64 46/64 46/65 47/68 100/40 50/20 20/00 10/20 40/40 30/40 40/30 Waterloo Mocldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 47/53 45/64 42/67 48/66 48/65 47/66 47/71 40/40 30/20 10/10 10/30 40/30 30/40 30/20 Dubuque Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 46/53 46/62 42/65 45/64 48/64 47/66 49/68 50/60 50/20 10/00 10/20 30/30 20/40 30/30 Cedar Rapids Mocldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 48/56 46/64 43/68 48/66 49/65 47/67 48/71 60/30 30/20 10/00 10/30 50/40 30/40 30/30 Iowa City Mocldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 49/57 45/63 43/68 48/66 49/65 47/68 49/70 50/20 20/20 00/00 10/30 50/40 30/40 30/30 Quad Cities Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 50/56 46/64 42/68 47/67 48/66 47/69 49/69 60/60 30/20 10/00 10/20 40/40 30/40 30/30 Ottumwa Ptcldy Ptcldy Ptcldy Mocldy Shwrs Ptcldy Sunny 49/59 44/63 42/67 50/66 50/65 48/67 49/71 10/20 10/10 10/10 20/40 50/50 40/40 30/20 Burlington Ptcldy Ptcldy Ptcldy Mocldy Shwrs Ptcldy Ptcldy 50/60 46/64 44/69 49/66 50/66 49/69 50/70 50/10 10/10 10/00 10/40 60/50 40/40 30/30 Keokuk Ptcldy Ptcldy Ptcldy Mocldy Shwrs Ptcldy Ptcldy 51/62 46/63 44/68 50/65 51/65 50/68 51/69 20/10 10/10 10/10 20/40 60/60 40/40 30/30 $$