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	State Forecast for Ottosen , IA

Change Zip Code:

240
FPUS63 KDMX 182120
SFTIA
IAZ001>099-191000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Tue Aug 18 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
Wed	Thu	Fri	Sat	Sun	Mon	Tue
Aug 19	Aug 20	Aug 21	Aug 22	Aug 23	Aug 24	Aug 25
...WESTERN IOWA...
Spencer
Ptcldy	Sunny	Sunny	Sunny	Mocldy	Ptcldy	Ptcldy
57/79	57/82	60/82	58/79	55/77	57/81	60/83
30/20	10/40	40/10	20/20	10/20	20/20	10/10
Sioux City
Ptcldy	Sunny	Sunny	Sunny	Mocldy	Ptcldy	Ptcldy
63/78	60/83	62/83	61/79	60/77	61/80	63/82
10/30	20/10	40/10	20/20	20/20	20/20	10/10
Carroll
Ptcldy	Sunny	Sunny	Sunny	Mocldy	Ptcldy	Ptcldy
63/79	59/82	64/84	62/80	59/77	61/81	63/83
20/30	20/20	30/30	20/20	10/20	20/20	20/10
Atlantic
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
65/78	61/81	64/83	64/80	61/78	63/81	64/82
20/40	20/10	20/20	30/30	10/30	20/20	10/10
Shenandoah
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
68/82	63/85	67/87	67/86	65/83	67/86	68/87
20/30	20/00	20/10	30/30	10/30	30/20	10/10
...CENTRAL IOWA...
Mason City
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Sunny
58/78	58/80	61/81	60/77	55/75	58/78	61/81
30/00	10/20	40/30	20/20	00/10	20/20	10/10
Fort Dodge
Ptcldy	Ptcldy	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
61/80	59/82	63/83	62/80	58/77	60/81	63/83
20/10	10/20	40/40	20/20	10/20	20/20	10/10
Ames
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
64/80	60/82	64/84	64/80	60/78	61/81	64/83
20/10	10/10	30/30	20/20	10/20	20/20	10/10
Marshalltown
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
62/79	58/80	63/82	62/79	57/76	59/79	61/81
20/10	10/10	20/20	20/20	00/20	20/20	10/10
Des Moines
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
67/79	63/82	67/83	65/80	62/77	64/81	66/83
20/10	10/00	30/30	20/20	10/20	20/20	10/10
Creston
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
66/80	62/82	66/85	66/83	62/80	64/83	66/85
20/40	20/00	10/10	30/30	10/30	30/30	10/10
Lamoni
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
67/80	63/82	65/85	66/83	63/80	65/83	66/84
20/40	30/00	10/10	30/30	10/20	30/30	10/10
...EASTERN IOWA...
Decorah
Ptcldy	Sunny	Ptcldy	Sunny	Ptcldy	Ptcldy	Ptcldy
60/77	57/78	62/79	61/77	57/74	58/76	61/80
50/00	00/20	50/50	40/10	00/10	10/20	10/10
Oelwein
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
61/76	59/77	63/79	62/76	58/73	59/75	62/78
50/00	10/10	50/50	20/20	00/10	20/20	10/10
Waterloo
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
62/78	58/80	64/81	62/78	58/75	60/78	62/80
40/10	10/10	30/30	20/20	00/10	20/20	10/10
Dubuque
Ptcldy	Sunny	Ptcldy	Sunny	Ptcldy	Ptcldy	Ptcldy
64/78	59/79	63/80	63/78	59/75	60/77	62/80
50/10	00/00	30/30	30/20	00/10	20/20	20/10
Cedar Rapids
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
64/81	59/81	63/82	63/80	59/77	60/80	63/82
40/10	10/00	20/30	30/20	00/10	20/20	20/10
Iowa City
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
65/81	60/82	64/83	64/81	61/78	61/80	64/82
40/10	10/00	20/30	30/20	00/10	20/20	20/10
Quad Cities
Ptcldy	Sunny	Ptcldy	Sunny	Ptcldy	Ptcldy	Ptcldy
65/80	60/81	63/81	64/79	60/77	60/79	63/81
40/10	10/00	20/30	30/20	20/10	10/20	20/10
Ottumwa
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
66/81	62/82	65/85	65/82	61/79	63/82	65/84
30/20	10/00	10/20	30/30	00/20	20/20	10/10
Burlington
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
67/80	61/80	63/82	64/80	61/77	61/80	64/81
30/30	20/00	10/20	30/20	00/10	20/20	10/10
Keokuk
Ptcldy	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
68/79	63/80	64/83	66/81	62/78	63/80	66/82
30/30	10/00	10/20	30/20	00/10	20/20	10/10
$$

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Bryce Anderson – DTN Meteorologist

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Front Continues to Push Through Corn Belt Wednesday

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Posted at 11:59AM Tue Aug 18, 2026 CDT

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