Tabular State Forecast
Issued by NWS
Issued by NWS
186
FPUS63 KDMX 102120
SFTIA
IAZ001>099-111000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Mon Aug 10 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
Aug 11 Aug 12 Aug 13 Aug 14 Aug 15 Aug 16 Aug 17
...WESTERN IOWA...
Spencer
Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy Ptcldy
66/85 64/84 63/76 58/75 60/76 58/75 54/73
70/20 30/20 50/60 40/50 60/60 40/40 20/20
Sioux City
Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy Mocldy
68/87 67/85 66/76 62/76 63/77 61/75 59/72
30/10 10/10 70/80 50/50 50/50 40/40 20/20
Carroll
Ptcldy Ptcldy Tstrms Tstrms Tstrms Mocldy Ptcldy
69/90 68/88 67/78 64/79 65/81 64/78 60/75
50/30 30/10 70/90 60/60 50/50 50/40 30/30
Atlantic
Ptcldy Ptcldy Tstrms Tstrms Tstrms Tstrms Ptcldy
70/90 71/88 68/79 65/80 67/81 65/78 62/75
20/10 30/20 70/80 80/80 50/50 50/50 30/30
Shenandoah
Ptcldy Ptcldy Mocldy Mocldy Ptcldy Mocldy Ptcldy
75/93 74/92 72/85 69/86 70/86 68/81 65/77
10/10 20/10 50/60 60/60 40/40 50/50 20/20
...CENTRAL IOWA...
Mason City
Tstrms Ptcldy Shwrs Tstrms Shwrs Ptcldy Ptcldy
67/83 66/82 64/76 61/74 61/76 61/74 58/74
70/50 20/20 30/70 50/50 70/70 40/40 20/20
Fort Dodge
Ptcldy Ptcldy Tstrms Tstrms Tstrms Mocldy Ptcldy
69/88 68/87 66/79 63/77 65/80 63/78 60/75
60/60 30/20 50/80 50/60 60/60 40/40 20/20
Ames
Ptcldy Ptcldy Tstrms Tstrms Shwrs Shwrs Ptcldy
70/89 69/87 68/79 65/78 66/81 66/79 62/76
40/40 30/30 60/80 70/70 60/60 50/50 20/20
Marshalltown
Ptcldy Ptcldy Tstrms Tstrms Shwrs Shwrs Ptcldy
69/86 68/84 67/78 64/77 65/80 65/77 61/75
40/40 30/40 50/80 70/60 60/60 50/50 20/20
Des Moines
Ptcldy Ptcldy Tstrms Tstrms Shwrs Shwrs Ptcldy
73/90 72/88 70/79 68/80 69/83 68/79 65/75
10/20 30/40 60/90 80/80 60/60 60/60 20/20
Creston
Ptcldy Ptcldy Tstrms Tstrms Tstrms Tstrms Ptcldy
72/92 72/91 69/82 67/83 69/84 68/80 64/75
10/10 40/30 50/80 80/80 50/50 50/50 20/20
Lamoni
Ptcldy Ptcldy Tstrms Tstrms Ptcldy Shwrs Ptcldy
74/93 73/92 71/84 68/85 70/87 69/82 65/76
00/10 20/40 50/70 70/70 30/30 50/50 30/30
...EASTERN IOWA...
Decorah
Ptcldy Ptcldy Mocldy Ptcldy Mocldy Ptcldy Ptcldy
67/82 66/82 65/77 62/74 61/76 63/75 60/75
40/60 20/30 20/50 50/40 70/70 50/50 10/10
Oelwein
Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy Ptcldy
69/82 67/82 66/76 64/74 63/77 65/75 61/74
30/60 20/40 20/70 70/50 70/70 50/50 20/20
Waterloo
Tstrms Ptcldy Tstrms Tstrms Shwrs Shwrs Ptcldy
70/85 68/84 67/78 64/76 64/79 65/77 61/75
30/50 30/30 30/70 70/50 70/70 50/50 20/20
Dubuque
Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy Ptcldy
70/84 68/84 67/79 64/77 63/80 66/78 63/76
50/80 20/30 20/70 70/50 60/60 50/50 20/20
Cedar Rapids
Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy Ptcldy
71/87 69/85 68/80 65/79 65/82 67/80 63/77
30/50 30/50 40/80 70/70 70/70 50/50 20/20
Iowa City
Ptcldy Ptcldy Mocldy Mocldy Ptcldy Mocldy Ptcldy
72/88 70/86 69/81 67/80 67/83 68/80 64/77
20/50 30/50 50/80 70/70 60/60 50/50 30/30
Quad Cities
Ptcldy Ptcldy Mocldy Mocldy Mocldy Mocldy Ptcldy
71/86 69/85 68/81 66/79 65/83 68/80 64/76
50/60 30/50 40/70 70/70 60/60 50/50 20/20
Ottumwa
Ptcldy Ptcldy Tstrms Tstrms Shwrs Tstrms Ptcldy
73/92 72/90 70/83 67/83 68/86 69/82 65/77
10/20 30/40 50/80 80/80 50/50 50/50 30/30
Burlington
Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy Ptcldy
73/90 71/88 69/82 67/81 68/85 69/82 65/76
10/30 30/60 60/80 80/80 50/50 50/50 30/30
Keokuk
Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy Ptcldy
75/92 73/89 71/83 69/82 70/87 71/83 66/78
10/20 30/50 60/70 80/80 40/40 40/40 30/20
$$