Tabular State Forecast
Issued by NWS
Issued by NWS
001
FPUS63 KDMX 092121
SFTIA
IAZ001>099-101000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
421 PM CDT Sun Aug 9 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
Mon Tue Wed Thu Fri Sat Sun
Aug 10 Aug 11 Aug 12 Aug 13 Aug 14 Aug 15 Aug 16
...WESTERN IOWA...
Spencer
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy
62/84 64/86 63/83 60/74 55/74 56/74 56/74
10/10 10/10 30/30 20/30 30/40 40/40 20/20
Sioux City
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy
67/88 68/87 67/85 65/72 60/72 61/74 60/73
10/10 00/00 20/20 50/60 40/40 40/40 30/30
Carroll
Ptcldy Ptcldy Ptcldy Shwrs Tstrms Shwrs Mocldy
68/87 69/90 68/87 65/74 61/74 62/77 62/76
10/10 20/30 40/40 40/60 50/50 50/50 30/30
Atlantic
Ptcldy Ptcldy Ptcldy Tstrms Tstrms Tstrms Ptcldy
69/87 70/89 69/85 66/75 62/74 63/76 63/75
20/10 20/20 40/40 60/80 70/70 50/50 40/40
Shenandoah
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy
72/90 74/93 73/89 70/79 66/78 67/80 66/78
20/10 10/10 30/30 70/80 80/80 50/50 40/40
...CENTRAL IOWA...
Mason City
Ptcldy Ptcldy Ptcldy Mocldy Ptcldy Mocldy Mocldy
64/82 66/84 65/82 62/75 58/74 59/74 59/75
10/10 20/20 40/40 10/30 20/30 40/40 40/30
Fort Dodge
Ptcldy Ptcldy Ptcldy Shwrs Mocldy Shwrs Mocldy
67/85 68/89 68/86 65/76 61/75 61/76 61/75
10/10 30/20 40/40 20/50 40/40 50/50 30/30
Ames
Ptcldy Ptcldy Ptcldy Shwrs Shwrs Shwrs Ptcldy
69/86 70/89 69/85 66/76 63/75 63/77 63/75
20/20 30/40 40/40 20/60 50/50 50/50 40/40
Marshalltown
Ptcldy Ptcldy Ptcldy Shwrs Shwrs Shwrs Mocldy
68/85 69/86 68/84 65/75 61/74 61/76 62/75
20/20 10/40 40/40 20/50 50/50 60/60 40/40
Des Moines
Ptcldy Ptcldy Shwrs Shwrs Shwrs Shwrs Ptcldy
72/89 72/91 72/86 69/75 65/74 66/77 65/75
20/10 20/20 50/50 40/70 60/60 60/60 40/40
Creston
Ptcldy Ptcldy Ptcldy Tstrms Tstrms Shwrs Mocldy
71/88 72/91 72/88 68/75 64/75 65/79 65/77
20/10 10/10 40/40 60/80 70/70 60/60 40/40
Lamoni
Ptcldy Ptcldy Ptcldy Tstrms Tstrms Tstrms Mocldy
72/89 74/92 73/89 69/77 65/77 66/79 66/77
30/20 10/10 30/30 60/80 80/80 60/60 40/40
...EASTERN IOWA...
Decorah
Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Mocldy Mocldy
65/82 66/82 66/82 63/76 59/74 59/74 61/74
10/10 20/50 30/30 10/10 20/20 30/40 30/30
Oelwein
Ptcldy Ptcldy Ptcldy Mocldy Ptcldy Mocldy Mocldy
67/82 68/83 67/82 65/75 61/72 61/73 62/73
10/10 20/50 40/40 10/30 30/30 40/40 40/30
Waterloo
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Shwrs Mocldy
68/83 69/85 68/83 65/76 61/74 61/75 62/75
10/10 10/40 40/40 10/40 30/30 50/50 40/40
Dubuque
Mocldy Mocldy Ptcldy Ptcldy Ptcldy Mocldy Mocldy
68/83 69/85 68/84 66/76 62/75 61/76 63/76
30/30 20/50 40/40 10/30 30/30 40/40 40/40
Cedar Rapids
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy
70/86 70/87 69/85 66/77 62/76 62/77 64/77
20/20 20/40 50/50 10/50 50/40 60/60 40/40
Iowa City
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy
71/87 71/88 70/85 68/77 64/76 64/77 65/77
20/20 20/40 50/50 20/60 60/50 60/60 40/40
Quad Cities
Ptcldy Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy
70/86 70/86 70/85 67/77 63/76 62/78 64/77
30/30 10/50 50/50 20/50 50/40 50/50 40/40
Ottumwa
Ptcldy Ptcldy Tstrms Shwrs Shwrs Tstrms Mocldy
72/90 73/92 72/89 68/78 64/77 65/80 65/79
30/30 10/20 50/50 40/70 60/60 60/60 40/40
Burlington
Ptcldy Ptcldy Ptcldy Ptcldy Mocldy Mocldy Ptcldy
72/89 72/89 71/86 68/78 64/77 64/79 65/77
20/20 10/20 50/50 40/60 70/70 60/60 40/40
Keokuk
Ptcldy Ptcldy Ptcldy Mocldy Mocldy Mocldy Ptcldy
73/90 75/90 73/88 70/79 66/77 66/79 67/78
20/20 10/20 40/40 50/70 70/70 60/60 30/30
$$