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	State Forecast for Ottosen , IA

Change Zip Code:

381
FPUS63 KDMX 172121
SFTIA
IAZ001>099-181000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Thu Sep 17 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
Fri	Sat	Sun	Mon	Tue	Wed	Thu
Sep 18	Sep 19	Sep 20	Sep 21	Sep 22	Sep 23	Sep 24
...WESTERN IOWA...
Spencer
Mocldy	Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy
58/76	60/69	53/63	49/59	46/62	45/65	50/68
90/90	60/50	50/50	60/60	30/10	10/10	30/30
Sioux City
Ptcldy	Mocldy	Mocldy	Mocldy	Mocldy	Mocldy	Mocldy
64/86	64/73	58/64	55/60	51/64	51/66	55/70
70/40	50/40	40/40	50/60	30/10	10/30	40/40
Carroll
Mocldy	Shwrs	Shwrs	Shwrs	Mocldy	Mocldy	Mocldy
64/84	68/79	60/67	56/61	52/62	50/66	55/70
50/40	80/70	60/70	60/60	30/10	00/10	30/40
Atlantic
Ptcldy	Shwrs	Shwrs	Shwrs	Mocldy	Ptcldy	Mocldy
66/85	69/79	62/67	57/61	53/62	51/65	56/68
20/10	60/60	70/60	60/50	40/10	00/20	40/40
Shenandoah
Ptcldy	Ptcldy	Mocldy	Mocldy	Mocldy	Mocldy	Mocldy
69/88	70/84	64/70	60/64	56/64	53/67	58/71
10/10	60/60	70/60	50/40	20/20	00/20	40/40
...CENTRAL IOWA...
Mason City
Tstrms	Shwrs	Shwrs	Shwrs	Ptcldy	Ptcldy	Ptcldy
58/68	62/70	56/63	51/58	48/60	46/64	51/67
40/80	90/70	60/50	60/60	40/20	00/10	20/20
Fort Dodge
Tstrms	Shwrs	Shwrs	Shwrs	Mocldy	Ptcldy	Ptcldy
62/78	66/76	59/65	55/60	51/62	49/66	54/69
80/80	80/70	60/60	60/60	40/20	00/10	30/30
Ames
Tstrms	Shwrs	Tstrms	Shwrs	Mocldy	Ptcldy	Mocldy
63/80	68/80	61/67	57/61	53/61	50/66	55/69
50/60	80/80	70/70	70/60	40/30	00/10	30/30
Marshalltown
Tstrms	Shwrs	Tstrms	Shwrs	Mocldy	Ptcldy	Ptcldy
62/76	67/80	60/66	54/60	51/61	48/65	53/68
40/70	70/70	70/70	60/60	40/30	00/00	20/30
Des Moines
Mocldy	Tstrms	Tstrms	Shwrs	Mocldy	Ptcldy	Mocldy
66/83	71/81	63/68	58/61	55/61	52/65	57/68
40/40	60/60	80/70	60/60	40/30	00/10	30/40
Creston
Ptcldy	Tstrms	Tstrms	Shwrs	Mocldy	Ptcldy	Ptcldy
66/85	69/82	64/69	59/61	55/60	51/64	57/68
20/10	60/60	70/70	70/60	30/10	00/10	30/40
Lamoni
Ptcldy	Ptcldy	Tstrms	Shwrs	Mocldy	Ptcldy	Ptcldy
67/85	70/83	65/71	60/62	54/60	51/64	56/68
10/10	40/40	70/70	70/70	20/20	20/10	20/30
...EASTERN IOWA...
Decorah
Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy	Ptcldy
57/66	60/71	57/64	52/60	48/60	46/65	51/67
10/80	90/90	70/50	50/50	40/20	10/00	10/20
Oelwein
Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy	Ptcldy
60/70	64/76	60/64	55/60	51/60	48/65	53/67
20/70	90/90	80/60	60/60	40/20	10/00	10/20
Waterloo
Tstrms	Shwrs	Tstrms	Shwrs	Ptcldy	Ptcldy	Ptcldy
61/72	66/78	60/66	55/61	51/61	48/66	53/69
30/70	80/80	70/60	60/60	40/30	00/00	10/20
Dubuque
Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy	Ptcldy
62/71	65/78	63/66	57/63	53/62	51/67	54/69
10/40	90/90	80/70	60/60	40/20	10/10	10/10
Cedar Rapids
Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy	Ptcldy
64/75	68/81	64/68	58/62	54/62	51/66	55/69
20/50	70/70	80/80	60/60	50/30	10/00	10/20
Iowa City
Mocldy	Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy
65/77	68/82	65/70	59/63	55/62	51/67	56/70
20/40	60/70	80/80	70/60	50/30	00/00	10/20
Quad Cities
Mocldy	Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy
64/76	67/82	64/70	58/64	54/63	51/68	54/70
10/40	50/80	80/80	60/70	50/30	10/00	10/10
Ottumwa
Tstrms	Shwrs	Tstrms	Shwrs	Mocldy	Ptcldy	Ptcldy
67/82	71/84	66/72	60/64	56/62	52/67	56/70
30/60	40/50	80/80	70/60	30/20	00/10	10/20
Burlington
Mocldy	Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy
66/82	69/85	66/75	60/66	55/63	51/68	55/71
20/50	30/30	80/80	70/60	50/30	20/00	10/10
Keokuk
Mocldy	Mocldy	Mocldy	Mocldy	Mocldy	Ptcldy	Ptcldy
69/85	72/88	69/78	63/68	58/65	54/70	58/72
30/40	10/20	70/70	60/60	40/30	00/10	10/20
$$

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Bryce Anderson – DTN Meteorologist

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South Dakota Becomes the Target for Heavy Rain Tonight

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Posted at 11:33AM Thu Sep 17, 2026 CDT

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