Inflows into Lake Allatoona - Allatoona Dam

Inflows for Lake Allatoona - Allatoona Dam

These graphs are automated model output produced every three hours. To collaborate on the inflow guidance please call our office...770-486-0028 ext 1.

Updated: May 22, 2026 @ 16:00:01Z

Past and Forecast 2-Day Basin Average Precipitation

Past and Projected Inflows (based on forecast precipitation over the next 2 days)

Past and Forecast Next 6 Hours Basin Average Precipitation

Past and Projected Inflows (based on forecast precipitation over the next 6 hours only)

Past and Forecast 7-Day Basin Average Precipitation

Past and Projected Inflows (based on forecast precipitation over the next 7 days)

	Allatoona Dam Gridded Precipitation Areal Mean Estimate IN	Adjust Inflow River Discharge Simulated Instantaneous CFS	Adjust Inflow River Discharge Simulated Instantaneous CFS	Adjust Inflow River Discharge Simulated Instantaneous CFS
05/16/2026 18GMT	0.00	331.70	341.49	331.70
05/17/2026 00GMT	0.00	329.15	338.87	329.15
05/17/2026 06GMT	0.00	374.84	336.81	374.84
05/17/2026 12GMT	0.00	423.17	336.38	423.17
05/17/2026 18GMT	0.00	423.14	336.36	423.14
05/18/2026 00GMT	0.25	479.09	340.70	479.09
05/18/2026 06GMT	0.02	762.34	354.18	766.80
05/18/2026 12GMT	0.00	726.33	342.30	754.84
05/18/2026 18GMT	0.00	587.88	327.61	617.11
05/19/2026 00GMT	0.00	525.74	323.54	547.70
05/19/2026 06GMT	0.00	505.12	371.26	527.89
05/19/2026 12GMT	0.00	487.73	418.62	508.49
05/19/2026 18GMT	0.00	468.45	418.86	485.23
05/20/2026 00GMT	0.00	451.21	418.72	464.57
05/20/2026 06GMT	0.00	436.97	332.52	447.61
05/20/2026 12GMT	0.00	424.92	255.33	433.10
05/20/2026 18GMT	0.00	415.68	253.33	421.51
05/21/2026 00GMT	0.00	409.24	250.50	414.28
05/21/2026 06GMT	0.01	405.45	334.82	418.10
05/21/2026 12GMT	0.00	403.03	415.24	427.96
05/21/2026 18GMT	0.00	401.07	435.97	422.67
05/22/2026 00GMT	0.11	399.35	561.57	442.63
05/22/2026 06GMT	0.07	397.61	677.38	626.74
05/22/2026 12GMT	0.02	395.96	717.39	775.08
05/22/2026 18GMT	0.01	394.27	738.65	786.85
05/23/2026 00GMT	0.11	392.66	833.78	771.63
05/23/2026 06GMT	0.05	390.98	933.87	859.69
05/23/2026 12GMT	0.01	389.40	1100.72	865.91
05/23/2026 18GMT	0.02	387.77	1310.16	773.05
05/24/2026 00GMT	0.07	386.22	1277.03	711.92
05/24/2026 06GMT	0.03	384.61	1136.44	727.83
05/24/2026 12GMT	0.02	383.11	1034.58	705.66
05/24/2026 18GMT	0.00	381.71	935.22	653.80
05/25/2026 00GMT	0.00	380.14	828.94	595.04
05/25/2026 06GMT	0.00	378.61	716.51	545.43
05/25/2026 12GMT	0.00	377.01	613.21	505.86
05/25/2026 18GMT	0.00	375.49	531.70	472.87
05/26/2026 00GMT	0.00	373.90	470.82	444.65
05/26/2026 06GMT	0.00	372.37	429.35	422.04
05/26/2026 12GMT	0.00	370.76	402.91	404.28
05/26/2026 18GMT	0.00	369.27	388.45	390.70
05/27/2026 00GMT	0.00	367.74	382.60	381.01
05/27/2026 06GMT	0.00	366.30	379.62	374.53
05/27/2026 12GMT	0.00	364.79	377.69	370.47
05/27/2026 18GMT	0.00	363.35	376.04	367.75
05/28/2026 00GMT			374.48
05/28/2026 06GMT			372.89
05/28/2026 12GMT			371.35
05/28/2026 18GMT			369.79

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