Tabular State Forecast
Issued by NWS
Issued by NWS
551
FPUS63 KDMX 210920
SFTIA
IAZ001>099-212200-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 AM CDT Mon Sep 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 Tue Wed Thu Fri Sat Sun
Sep 21 Sep 22 Sep 23 Sep 24 Sep 25 Sep 26 Sep 27
...WESTERN IOWA...
Spencer
Cloudy Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy
/54 47/60 42/65 47/64 50/67 53/65 54/72
/80 50/00 00/00 40/50 20/30 40/50 30/30
Sioux City
Cloudy Mocldy Ptcldy Mocldy Mocldy Mocldy Mocldy
/58 51/63 49/66 52/65 55/67 57/69 59/74
/60 30/10 00/10 60/60 30/50 50/50 20/20
Carroll
Tstrms Mocldy Ptcldy Shwrs Mocldy Shwrs Mocldy
/58 51/62 46/66 50/65 53/67 56/66 58/74
/80 60/10 00/00 20/60 30/40 40/50 40/40
Atlantic
Shwrs Mocldy Ptcldy Shwrs Mocldy Shwrs Ptcldy
/60 53/61 48/64 52/63 55/65 58/68 60/72
/50 50/10 00/00 10/50 40/40 50/50 40/40
Shenandoah
Cloudy Mocldy Ptcldy Mocldy Mocldy Mocldy Ptcldy
/64 55/64 50/66 53/65 56/67 60/69 61/75
/20 20/10 00/00 10/50 50/50 50/50 40/40
...CENTRAL IOWA...
Mason City
Shwrs Ptcldy Sunny Mocldy Mocldy Mocldy Mocldy
/56 47/59 41/65 46/62 49/66 52/63 54/70
/70 50/10 00/00 10/40 10/20 30/40 40/40
Fort Dodge
Tstrms Ptcldy Sunny Shwrs Mocldy Shwrs Mocldy
/56 50/61 45/67 50/64 53/68 56/65 57/73
/80 50/10 00/00 20/50 20/30 40/50 40/40
Ames
Tstrms Mocldy Sunny Mocldy Mocldy Shwrs Mocldy
/59 52/61 46/66 50/64 54/67 56/65 58/73
/70 60/10 00/00 10/40 30/30 30/50 40/40
Marshalltown
Shwrs Mocldy Sunny Mocldy Mocldy Mocldy Ptcldy
/58 50/61 44/65 48/64 52/66 54/64 56/71
/60 60/10 00/00 00/30 20/30 20/40 30/30
Des Moines
Tstrms Mocldy Sunny Mocldy Mocldy Shwrs Ptcldy
/60 54/61 48/64 52/63 56/66 58/65 60/72
/70 60/10 00/00 00/40 20/30 30/50 30/30
Creston
Drzl Mocldy Sunny Mocldy Mocldy Shwrs Ptcldy
/61 53/60 47/63 50/63 54/64 58/65 60/72
/50 50/10 00/00 10/40 30/40 40/50 30/30
Lamoni
Drzl Mocldy Sunny Mocldy Mocldy Mocldy Ptcldy
/63 55/60 48/63 50/63 54/66 58/65 60/74
/30 40/10 00/00 00/30 20/40 30/40 30/30
...EASTERN IOWA...
Decorah
Mocldy Ptcldy Sunny Ptcldy Ptcldy Mocldy Ptcldy
/59 48/60 43/65 46/63 50/66 51/64 53/69
/40 20/10 00/00 00/10 00/10 10/30 20/20
Oelwein
Cloudy Ptcldy Sunny Ptcldy Ptcldy Mocldy Ptcldy
/59 49/60 44/65 48/64 52/66 53/65 55/69
/40 50/10 00/00 00/10 10/10 10/30 30/30
Waterloo
Shwrs Ptcldy Sunny Ptcldy Mocldy Mocldy Ptcldy
/59 50/62 45/66 48/65 51/67 53/66 55/71
/50 60/10 00/00 00/20 20/10 20/30 30/30
Dubuque
Cloudy Ptcldy Sunny Ptcldy Ptcldy Mocldy Ptcldy
/61 51/62 47/64 49/65 52/65 52/65 55/69
/30 50/30 00/00 00/10 00/00 00/20 20/20
Cedar Rapids
Cloudy Ptcldy Sunny Ptcldy Mocldy Mocldy Ptcldy
/61 52/62 47/66 50/66 54/67 55/66 57/71
/50 70/30 00/00 00/10 10/10 10/30 30/20
Iowa City
Cloudy Ptcldy Sunny Ptcldy Mocldy Mocldy Ptcldy
/61 53/63 48/66 50/67 54/68 55/67 57/72
/50 60/30 00/00 00/10 00/10 10/20 20/20
Quad Cities
Cloudy Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy
/62 54/64 48/68 50/68 53/69 53/68 55/73
/40 50/30 00/00 00/00 00/00 00/10 20/20
Ottumwa
Drzl Mocldy Sunny Ptcldy Mocldy Mocldy Ptcldy
/63 54/63 48/66 51/66 54/68 56/66 59/74
/30 60/20 00/00 00/10 10/10 20/30 30/20
Burlington
Cloudy Ptcldy Sunny Ptcldy Ptcldy Mocldy Ptcldy
/65 56/64 49/68 51/69 54/70 55/68 57/76
/30 50/30 00/00 00/00 00/00 10/20 20/20
Keokuk
Cloudy Mocldy Sunny Ptcldy Mocldy Mocldy Ptcldy
/66 57/66 51/70 53/70 56/72 57/69 58/78
/20 50/30 00/00 00/00 00/10 10/20 20/20
$$