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State Forecast for Ottosen , IA |
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| | | 505 | | FPUS63 KDMX 210920 | | SFTIA | | IAZ001>099-212200- | | Tabular State Forecast for Iowa | | National Weather Service Des Moines IA | | 420 AM CDT Fri Aug 21 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 | |
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| | | FCST | FCST | FCST | FCST | FCST | FCST | FCST | | Today | Sat | Sun | Mon | Tue | Wed | Thu | | Aug 21 | Aug 22 | Aug 23 | Aug 24 | Aug 25 | Aug 26 | Aug 27 | | ...WESTERN IOWA... | | Spencer | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | Ptcldy | | /83 | 57/79 | 52/78 | 57/77 | 59/82 | 59/80 | 56/80 | | /00 | 00/00 | 00/00 | 60/60 | 10/20 | 20/10 | 00/10 | | Sioux City | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | Ptcldy | | /85 | 60/81 | 57/77 | 60/78 | 62/82 | 61/80 | 58/79 | | /00 | 10/00 | 00/10 | 60/60 | 10/20 | 20/20 | 10/10 | | Carroll | | Sunny | Sunny | Ptcldy | Shwrs | Ptcldy | Sunny | Ptcldy | | /86 | 61/81 | 57/78 | 60/77 | 61/83 | 63/82 | 60/81 | | /10 | 10/10 | 00/00 | 60/60 | 30/20 | 20/20 | 10/10 | | Atlantic | | Sunny | Sunny | Ptcldy | Shwrs | Ptcldy | Sunny | Sunny | | /84 | 62/80 | 58/77 | 61/77 | 62/81 | 63/79 | 60/79 | | /10 | 10/10 | 00/00 | 50/50 | 10/20 | 30/30 | 10/10 | | Shenandoah | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Ptcldy | Ptcldy | | /88 | 65/84 | 62/81 | 64/83 | 66/86 | 65/84 | 63/85 | | /20 | 10/10 | 00/00 | 40/40 | 10/10 | 30/20 | 10/10 | | ...CENTRAL IOWA... | | Mason City | | Sunny | Sunny | Sunny | Ptcldy | Ptcldy | Sunny | Sunny | | /82 | 59/78 | 54/77 | 56/76 | 59/81 | 62/80 | 59/80 | | /10 | 00/00 | 00/00 | 20/20 | 20/30 | 30/20 | 10/10 | | Fort Dodge | | Sunny | Sunny | Ptcldy | Shwrs | Ptcldy | Sunny | Sunny | | /85 | 61/81 | 55/79 | 60/77 | 61/83 | 63/82 | 59/81 | | /10 | 00/00 | 00/00 | 40/50 | 20/30 | 30/30 | 10/10 | | Ames | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | Sunny | | /86 | 63/81 | 58/78 | 61/77 | 62/82 | 64/82 | 62/81 | | /20 | 00/00 | 00/00 | 30/40 | 10/10 | 40/30 | 10/10 | | Marshalltown | | Sunny | Sunny | Sunny | Ptcldy | Ptcldy | Sunny | Sunny | | /84 | 61/80 | 56/78 | 58/76 | 60/82 | 63/81 | 60/80 | | /20 | 00/00 | 00/00 | 20/30 | 30/10 | 40/30 | 10/10 | | Des Moines | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | Sunny | | /86 | 66/82 | 60/79 | 64/77 | 64/82 | 66/82 | 64/81 | | /20 | 10/10 | 00/00 | 30/40 | 20/10 | 30/20 | 10/10 | | Creston | | Sunny | Sunny | Ptcldy | Tstrms | Ptcldy | Ptcldy | Sunny | | /85 | 64/81 | 60/79 | 63/78 | 64/82 | 65/81 | 63/81 | | /10 | 10/10 | 00/00 | 50/50 | 10/10 | 30/20 | 10/10 | | Lamoni | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Ptcldy | Sunny | | /85 | 65/82 | 61/79 | 63/78 | 65/82 | 66/82 | 64/82 | | /10 | 10/10 | 00/00 | 40/40 | 10/10 | 30/20 | 10/10 | | ...EASTERN IOWA... | | Decorah | | Ptcldy | Sunny | Sunny | Ptcldy | Ptcldy | Sunny | Ptcldy | | /82 | 61/78 | 56/76 | 56/75 | 59/79 | 63/79 | 60/78 | | /40 | 10/00 | 00/00 | 00/10 | 20/20 | 40/40 | 10/00 | | Oelwein | | Ptcldy | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | | /82 | 61/78 | 56/75 | 57/74 | 60/78 | 63/78 | 60/77 | | /30 | 20/00 | 00/00 | 10/10 | 20/20 | 40/40 | 20/10 | | Waterloo | | Sunny | Sunny | Sunny | Ptcldy | Ptcldy | Sunny | Sunny | | /84 | 62/79 | 57/77 | 58/75 | 61/80 | 64/80 | 61/79 | | /20 | 10/00 | 00/00 | 10/30 | 20/20 | 40/40 | 10/10 | | Dubuque | | Ptcldy | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Ptcldy | | /82 | 63/79 | 58/77 | 57/76 | 60/79 | 64/80 | 62/79 | | /40 | 60/00 | 00/00 | 00/10 | 10/10 | 50/50 | 10/10 | | Cedar Rapids | | Ptcldy | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | | /85 | 63/81 | 58/79 | 59/78 | 61/81 | 64/82 | 62/81 | | /20 | 20/00 | 00/00 | 00/10 | 10/10 | 30/30 | 10/10 | | Iowa City | | Sunny | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | | /85 | 64/81 | 59/79 | 60/77 | 62/81 | 65/82 | 63/81 | | /20 | 30/00 | 00/00 | 00/10 | 10/10 | 30/30 | 10/10 | | Quad Cities | | Ptcldy | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | | /83 | 64/81 | 59/77 | 59/77 | 61/80 | 65/81 | 63/80 | | /40 | 60/00 | 00/00 | 00/10 | 10/10 | 30/30 | 10/10 | | Ottumwa | | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Ptcldy | Sunny | | /86 | 65/82 | 59/79 | 61/78 | 63/81 | 66/82 | 64/81 | | /10 | 10/10 | 00/00 | 10/30 | 30/10 | 20/20 | 10/10 | | Burlington | | Sunny | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | | /83 | 64/81 | 59/78 | 59/77 | 61/80 | 64/82 | 63/81 | | /10 | 20/00 | 00/00 | 00/20 | 20/10 | 30/30 | 20/10 | | Keokuk | | Sunny | Sunny | Sunny | Ptcldy | Ptcldy | Ptcldy | Sunny | | /84 | 66/81 | 61/77 | 61/76 | 63/81 | 66/82 | 64/81 | | /00 | 10/00 | 00/00 | 00/20 | 20/10 | 20/20 | 10/10 | | $$ |
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Bryce Anderson – DTN Meteorologist
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| Another Front Moving Through Corn Belt Friday |
» More DTN Weather Commentary |
| Posted at 5:34AM Fri Aug 21, 2026 CDT |
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