Tabular State Forecast
Issued by NWS
Issued by NWS
254
FPUS63 KDMX 232120
SFTIA
IAZ001>099-241000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Sun Aug 23 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 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 Aug 30
...WESTERN IOWA...
Spencer
Ptcldy Ptcldy Sunny Sunny Ptcldy Mocldy Ptcldy
59/80 61/85 61/82 55/82 55/82 60/82 62/83
20/20 10/20 10/00 00/00 10/20 60/60 40/40
Sioux City
Mocldy Ptcldy Sunny Sunny Ptcldy Mocldy Ptcldy
62/80 64/84 63/82 58/82 60/81 64/83 65/84
40/30 10/20 10/00 00/00 30/40 50/50 40/30
Carroll
Ptcldy Ptcldy Sunny Sunny Ptcldy Tstrms Shwrs
61/79 64/85 65/84 61/84 61/83 64/84 67/86
20/20 10/20 10/10 00/00 20/30 60/60 50/50
Atlantic
Ptcldy Ptcldy Sunny Sunny Ptcldy Tstrms Ptcldy
61/79 64/81 66/82 61/81 61/81 65/82 68/84
30/30 00/10 20/20 00/00 20/30 50/50 40/40
Shenandoah
Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
62/81 66/85 67/86 62/85 64/86 68/87 71/88
40/40 00/10 30/30 00/00 20/30 50/50 40/40
...CENTRAL IOWA...
Mason City
Ptcldy Ptcldy Sunny Sunny Ptcldy Shwrs Shwrs
55/80 62/84 64/82 59/82 58/82 62/81 64/83
00/00 10/20 20/10 00/00 00/10 50/50 50/50
Fort Dodge
Ptcldy Ptcldy Sunny Sunny Ptcldy Tstrms Shwrs
59/81 64/85 64/84 61/84 59/83 64/82 66/84
10/10 10/20 10/10 00/00 10/20 60/60 50/50
Ames
Ptcldy Ptcldy Sunny Sunny Ptcldy Tstrms Tstrms
60/81 64/83 67/85 63/83 61/83 65/83 68/85
10/10 10/20 10/10 00/00 10/20 50/50 50/50
Marshalltown
Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy Shwrs
57/80 61/82 66/83 61/82 59/82 63/82 66/84
00/10 00/10 20/20 00/00 10/10 40/40 50/50
Des Moines
Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
62/81 66/84 69/85 65/83 64/84 67/84 70/86
10/10 10/10 20/20 00/00 10/20 40/40 40/40
Creston
Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
62/81 66/84 68/84 63/83 63/84 67/85 70/86
30/30 00/10 20/20 00/00 10/20 40/40 40/40
Lamoni
Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
62/81 65/84 68/86 64/84 64/84 67/85 70/87
20/20 00/10 20/20 00/00 10/20 40/40 40/40
...EASTERN IOWA...
Decorah
Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy Mocldy
54/79 59/80 64/82 61/81 57/80 60/78 64/81
00/00 00/10 30/30 00/00 00/10 30/40 50/50
Oelwein
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
55/79 61/80 65/81 62/79 59/79 62/78 66/81
00/00 00/10 20/20 00/00 00/10 20/40 50/50
Waterloo
Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy Shwrs
56/80 62/81 66/82 62/81 60/81 63/80 66/83
00/00 00/10 20/20 00/00 00/10 30/40 50/50
Dubuque
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Mocldy
56/80 60/81 66/81 64/81 61/81 62/80 66/82
00/00 00/00 30/30 10/00 00/10 20/30 50/50
Cedar Rapids
Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
56/81 62/83 66/83 64/82 61/83 64/82 67/84
00/00 00/10 20/20 10/00 00/10 20/40 50/50
Iowa City
Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
56/81 62/83 67/85 64/83 62/84 65/83 68/85
00/00 00/00 20/20 10/00 00/10 20/30 50/50
Quad Cities
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
56/81 60/82 66/83 64/82 61/82 64/82 67/83
00/00 00/00 20/20 20/00 00/10 10/30 50/50
Ottumwa
Ptcldy Sunny Sunny Sunny Sunny Ptcldy Shwrs
58/81 64/85 69/86 65/84 63/85 67/85 70/87
00/10 00/10 20/20 10/00 00/10 30/40 50/50
Burlington
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
57/80 60/82 66/85 65/82 62/82 64/83 68/84
00/00 00/00 10/10 10/00 00/00 20/20 40/40
Keokuk
Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
58/81 62/83 68/87 65/83 63/83 66/83 69/86
00/00 00/00 10/20 10/00 00/10 20/20 40/40
$$