Tabular State Forecast
Issued by NWS
Issued by NWS
280
FPUS63 KDMX 180920
SFTIA
IAZ001>099-182200-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 AM CDT Mon Aug 18 2025
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
Aug 18 Aug 19 Aug 20 Aug 21 Aug 22 Aug 23 Aug 24
...WESTERN IOWA...
Spencer
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/89 67/84 62/81 60/82 61/81 56/76 51/73
/60 10/10 10/00 00/00 10/20 20/20 10/10
Sioux City
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Ptcldy
/89 69/87 66/84 62/85 63/83 58/79 54/75
/50 10/10 10/10 00/00 10/10 20/20 10/10
Carroll
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/90 70/88 64/84 59/83 60/85 59/81 53/76
/50 20/10 10/10 00/00 00/10 20/20 10/10
Atlantic
Ptcldy Ptcldy Sunny Sunny Sunny Sunny Sunny
/89 70/86 66/82 61/81 60/82 60/79 54/75
/40 20/10 10/10 00/00 00/10 20/20 10/10
Shenandoah
Ptcldy Ptcldy Sunny Sunny Sunny Sunny Ptcldy
/91 71/88 67/85 62/83 61/84 62/81 56/76
/30 30/30 20/10 00/00 00/10 10/10 10/10
...CENTRAL IOWA...
Mason City
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/85 69/83 61/79 57/79 59/79 56/73 50/70
/60 10/10 10/00 00/00 00/10 10/10 00/00
Fort Dodge
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/88 71/86 64/81 59/81 60/82 58/77 52/73
/50 10/10 10/00 00/00 10/10 20/20 10/10
Ames
Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/89 72/86 65/82 60/81 59/83 60/78 53/73
/40 20/10 10/00 00/00 00/10 20/20 10/10
Marshalltown
Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/88 70/84 64/80 58/78 58/80 59/76 52/72
/40 30/10 10/00 00/00 00/10 20/20 10/10
Des Moines
Ptcldy Ptcldy Sunny Sunny Sunny Sunny Sunny
/91 73/87 68/83 63/81 62/83 63/80 57/75
/30 30/10 10/10 00/00 00/10 20/20 10/10
Creston
Ptcldy Ptcldy Sunny Sunny Sunny Sunny Sunny
/91 70/88 66/83 61/82 60/84 61/81 54/75
/20 30/20 10/10 10/00 00/00 10/10 10/10
Lamoni
Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny
/92 71/87 67/83 61/81 60/83 62/81 56/76
/10 30/30 20/10 10/00 00/00 10/10 10/10
...EASTERN IOWA...
Decorah
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/83 69/79 62/77 58/78 60/78 58/73 52/68
/60 30/10 00/00 00/00 00/10 10/10 00/00
Oelwein
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/84 69/81 63/78 57/78 59/79 58/74 51/69
/60 40/10 10/00 00/00 00/10 10/10 10/10
Waterloo
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/87 71/84 63/80 59/80 60/81 59/76 52/70
/60 30/10 10/00 00/00 00/10 10/10 10/10
Dubuque
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/85 70/84 65/79 59/80 61/81 61/77 54/70
/60 50/20 10/00 00/00 00/00 10/10 10/10
Cedar Rapids
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/88 70/85 65/80 59/81 60/81 61/78 54/71
/50 50/20 10/00 00/00 00/00 10/10 10/10
Iowa City
Tstrms Ptcldy Sunny Sunny Sunny Sunny Sunny
/90 72/86 67/80 60/80 61/81 62/78 55/72
/50 50/20 10/10 00/00 00/00 10/10 10/10
Quad Cities
Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny
/89 71/86 66/81 59/81 61/83 62/79 55/73
/60 50/30 10/00 00/00 00/00 10/10 10/10
Ottumwa
Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny
/92 71/88 67/82 61/80 61/82 62/79 54/73
/20 40/30 10/10 10/00 00/00 10/10 10/10
Burlington
Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny
/92 72/86 68/81 61/81 62/82 63/80 57/75
/30 40/30 20/10 10/00 00/00 00/10 10/10
Keokuk
Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny
/93 72/86 70/83 63/81 62/83 65/81 59/75
/20 40/30 20/10 10/00 00/00 10/10 10/10
$$