21st Century Cooperative

	State Forecast for Cumberland , IA

Change Zip Code:

438
FPUS63 KDMX 020921
SFTIA
IAZ001>099-022200-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
421 AM CDT Wed Sep 2 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
Today	Thu	Fri	Sat	Sun	Mon	Tue
Sep 02	Sep 03	Sep 04	Sep 05	Sep 06	Sep 07	Sep 08
...WESTERN IOWA...
Spencer
Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/87	69/89	71/90	70/89	67/86	65/82	64/82
/30	50/40	30/30	20/20	30/40	40/40	30/30
Sioux City
Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/91	70/92	72/91	71/91	70/89	68/86	69/87
/20	40/30	10/20	20/20	20/30	40/40	30/30
Carroll
Ptcldy	Tstrms	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/91	73/92	74/93	71/93	70/91	68/86	67/87
/20	40/50	20/40	10/10	20/30	40/40	20/30
Atlantic
Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/93	76/92	76/91	74/91	72/89	71/86	70/87
/10	30/40	10/10	10/10	20/20	20/30	20/20
Shenandoah
Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/95	78/95	77/94	76/94	73/93	71/89	72/90
/10	10/20	10/00	10/10	20/20	20/20	20/20
...CENTRAL IOWA...
Mason City
Tstrms	Tstrms	Shwrs	Sunny	Tstrms	Ptcldy	Ptcldy
/85	70/85	71/88	70/87	69/85	66/81	64/80
/50	40/60	50/50	10/10	30/50	40/40	30/30
Fort Dodge
Ptcldy	Tstrms	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/89	71/89	74/91	72/91	71/89	68/85	67/85
/30	50/50	40/40	10/10	30/40	40/40	20/20
Ames
Ptcldy	Tstrms	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/92	73/92	74/93	72/92	71/90	68/86	68/86
/10	40/50	20/20	10/10	30/30	20/30	10/20
Marshalltown
Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/91	73/90	75/91	73/90	70/88	68/84	67/84
/10	40/40	20/20	10/10	20/30	30/30	20/20
Des Moines
Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/94	77/93	78/92	76/91	74/89	72/86	71/87
/10	30/30	10/20	10/10	20/30	20/20	20/20
Creston
Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/93	75/92	75/92	73/92	72/90	70/87	70/88
/10	10/10	10/10	10/10	20/30	20/20	20/20
Lamoni
Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/94	76/93	75/92	74/92	73/90	70/88	71/88
/00	10/10	10/00	10/10	20/20	20/20	20/20
...EASTERN IOWA...
Decorah
Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/86	71/85	71/87	71/86	69/83	66/80	63/80
/40	40/60	60/60	20/20	30/50	30/30	30/30
Oelwein
Ptcldy	Ptcldy	Ptcldy	Sunny	Ptcldy	Ptcldy	Ptcldy
/86	71/85	72/88	71/87	69/84	66/80	64/81
/10	40/40	40/40	10/10	20/40	30/30	30/20
Waterloo
Ptcldy	Tstrms	Ptcldy	Sunny	Ptcldy	Ptcldy	Ptcldy
/88	72/87	73/90	72/89	70/86	67/83	65/83
/10	40/50	40/40	10/10	20/40	30/30	20/20
Dubuque
Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/89	73/86	73/89	71/88	69/85	67/82	65/82
/10	10/20	40/40	20/20	30/40	30/30	20/20
Cedar Rapids
Sunny	Ptcldy	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
/92	74/90	73/91	72/90	70/87	68/84	66/85
/10	20/20	20/20	10/20	20/30	20/20	20/20
Iowa City
Sunny	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
/94	75/92	74/92	72/90	70/88	68/85	67/86
/10	10/20	10/20	20/20	20/30	20/20	20/20
Quad Cities
Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/93	75/90	74/91	72/89	70/86	68/84	66/84
/00	10/10	30/30	40/40	20/30	20/20	10/10
Ottumwa
Sunny	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
/95	77/92	76/93	74/92	73/90	70/87	69/88
/00	10/10	00/10	10/20	20/30	20/20	20/20
Burlington
Sunny	Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy
/95	76/92	75/92	73/91	71/88	68/86	67/87
/00	10/00	00/10	10/20	20/20	20/20	20/20
Keokuk
Sunny	Sunny	Sunny	Ptcldy	Ptcldy	Ptcldy	Ptcldy
/96	77/94	76/94	74/93	72/90	70/88	69/88
/00	10/00	00/10	10/20	20/20	20/20	20/20
$$

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DTN Weather Summary

Bryce Anderson – DTN Meteorologist

Bio

Northern Front Continues to Produce Showers and Thunderstorms Wednesday

A stalled front brings scattered storms to the Midwest and Mid-Atlantic, with severe weather possible. » More DTN Weather Commentary

Posted at 12:03PM Tue Sep 1, 2026 CDT

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