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	State Forecast for Ottosen , IA

Change Zip Code:

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
$$

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DTN Weather Summary

Bryce Anderson – DTN Meteorologist

Bio

Front Moving Into Tennessee Valley Thursday, Next System Enters Northern Plains

» More DTN Weather Commentary

Posted at 11:54AM Wed Aug 19, 2026 CDT

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