Tabular State Forecast
Issued by NWS
Issued by NWS
105
FPUS63 KDMX 192120
SFTIA
IAZ001>099-201000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Wed Aug 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
Thu Fri Sat Sun Mon Tue Wed
Aug 20 Aug 21 Aug 22 Aug 23 Aug 24 Aug 25 Aug 26
...WESTERN IOWA...
Spencer
Ptcldy Sunny Sunny Mocldy Ptcldy Ptcldy Ptcldy
54/82 60/84 58/80 54/78 57/80 60/83 61/82
00/10 20/10 20/20 20/20 30/30 20/10 10/10
Sioux City
Ptcldy Ptcldy Sunny Mocldy Ptcldy Ptcldy Ptcldy
58/82 62/84 62/81 60/77 61/80 63/83 64/82
10/00 20/20 30/20 20/20 20/20 20/20 20/20
Carroll
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
59/81 64/85 63/81 59/77 61/79 62/83 64/83
10/00 20/10 30/30 20/20 30/30 20/20 10/10
Atlantic
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
61/80 65/83 65/80 62/77 63/79 64/81 65/81
20/00 00/20 30/30 20/20 30/30 20/10 10/10
Shenandoah
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
64/83 67/87 67/85 64/82 65/84 66/86 68/86
20/00 00/20 60/30 10/20 30/30 10/20 20/10
...CENTRAL IOWA...
Mason City
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
56/81 62/81 61/79 56/77 58/78 61/82 62/82
00/10 60/00 10/10 00/20 10/20 20/20 20/20
Fort Dodge
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
58/81 64/84 62/80 57/78 60/79 62/83 64/82
10/00 30/10 20/20 00/20 20/20 20/20 10/10
Ames
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
60/81 65/84 64/81 60/78 61/79 64/82 65/82
10/00 30/10 30/20 00/10 20/20 20/20 10/10
Marshalltown
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
57/80 63/83 62/80 58/77 59/79 61/81 64/81
10/00 40/20 20/20 00/20 20/20 20/20 20/10
Des Moines
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
63/81 67/84 66/81 63/78 63/80 65/83 67/82
20/00 30/10 30/30 00/20 20/20 20/10 20/10
Creston
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
63/81 66/84 66/81 63/79 64/81 65/83 67/83
40/00 10/20 40/40 20/20 20/20 20/10 10/10
Lamoni
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
64/80 66/84 66/82 63/79 64/81 66/84 67/84
40/00 10/20 50/50 20/20 30/30 20/20 20/10
...EASTERN IOWA...
Decorah
Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Sunny
56/79 63/80 61/79 56/76 57/77 60/80 63/81
00/00 70/10 10/10 10/00 10/10 20/20 20/20
Oelwein
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
58/78 63/80 62/77 58/74 59/75 62/79 63/79
00/00 50/10 10/10 10/10 10/20 20/20 20/20
Waterloo
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
58/80 64/82 63/79 58/76 59/77 62/81 64/80
00/00 60/20 20/20 10/20 20/20 20/20 20/20
Dubuque
Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Sunny
59/80 64/81 63/79 60/77 59/77 62/80 64/80
00/00 40/30 30/10 10/00 10/10 20/20 20/10
Cedar Rapids
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
60/81 64/83 63/81 60/79 60/79 63/82 65/82
10/00 30/20 20/20 10/20 20/10 10/10 20/10
Iowa City
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
61/81 65/83 64/81 61/79 61/79 63/82 66/82
10/00 20/20 20/20 10/20 20/10 10/10 20/10
Quad Cities
Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Sunny
61/81 64/82 64/80 61/78 59/78 63/81 65/81
10/00 20/30 30/20 10/20 20/20 10/10 20/20
Ottumwa
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
63/81 66/85 65/82 62/80 62/81 64/84 66/84
40/00 20/20 20/20 00/10 20/20 20/10 20/10
Burlington
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
63/80 63/83 64/81 61/78 61/79 63/82 65/82
50/00 00/20 20/20 00/20 20/20 10/10 20/20
Keokuk
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy
65/80 65/83 66/81 63/79 62/79 65/82 67/83
50/00 00/20 30/30 00/10 20/20 20/10 10/10
$$