Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 60 observed points and 11 forecast points.
Flood-stage context
Source-published thresholds where available
Action23.5 ftSource-backed threshold
Minor flood25 ftSource-backed threshold
Moderate flood30 ftSource-backed threshold
Major flood35 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage3.6 ftValid Sep 3, 2026 at 1:00 AM CDT
HGIFF • stage3.6 ftValid Sep 3, 2026 at 7:00 AM CDT
HGIFF • stage3.6 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFF • stage3.6 ftValid Sep 3, 2026 at 7:00 PM CDT
status • stage3.7 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFF • stage3.7 ftValid Sep 4, 2026 at 1:00 AM CDT
Observations
flow
9,960 cfs
Observed May 10, 2026 at 7:00 PM CDT
discharge
13,400 cfs
Observed May 9, 2026 at 7:00 PM CDT
discharge
14,100 cfs
Observed May 8, 2026 at 7:00 PM CDT
discharge
18,600 cfs
Observed May 7, 2026 at 7:00 PM CDT
discharge
21,100 cfs
Observed May 6, 2026 at 7:00 PM CDT
discharge
12,500 cfs
Observed May 5, 2026 at 7:00 PM CDT
discharge
10,500 cfs
Observed May 4, 2026 at 7:00 PM CDT
discharge
12,700 cfs
Observed May 3, 2026 at 7:00 PM CDT
discharge
17,600 cfs
Observed May 2, 2026 at 7:00 PM CDT
discharge
28,500 cfs
Observed May 1, 2026 at 7:00 PM CDT
discharge
27,100 cfs
Observed Apr 30, 2026 at 7:00 PM CDT
discharge
19,000 cfs
Observed Apr 29, 2026 at 7:00 PM CDT
discharge
18,400 cfs
Observed Apr 28, 2026 at 7:00 PM CDT
discharge
16,500 cfs
Observed Apr 27, 2026 at 7:00 PM CDT
discharge
13,800 cfs
Observed Apr 26, 2026 at 7:00 PM CDT
discharge
11,900 cfs
Observed Apr 25, 2026 at 7:00 PM CDT
discharge
12,500 cfs
Observed Apr 24, 2026 at 7:00 PM CDT
discharge
15,400 cfs
Observed Apr 23, 2026 at 7:00 PM CDT
discharge
19,400 cfs
Observed Apr 22, 2026 at 7:00 PM CDT
discharge
27,200 cfs
Observed Apr 21, 2026 at 7:00 PM CDT
discharge
40,100 cfs
Observed Apr 20, 2026 at 7:00 PM CDT
discharge
54,900 cfs
Observed Apr 19, 2026 at 7:00 PM CDT
discharge
57,400 cfs
Observed Apr 18, 2026 at 7:00 PM CDT
discharge
52,900 cfs
Observed Apr 17, 2026 at 7:00 PM CDT
discharge
41,200 cfs
Observed Apr 16, 2026 at 7:00 PM CDT
discharge
31,600 cfs
Observed Apr 15, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 14, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 13, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 12, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 11, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 10, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 9, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 8, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 7, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 6, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 5, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 4, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 3, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 2, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Apr 1, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 31, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 30, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 29, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 27, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 26, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 25, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 24, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 23, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 22, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 21, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 18, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 17, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 16, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 15, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 14, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 13, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 12, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 11, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 10, 2026 at 7:00 PM CDT
discharge
-999,999 cfs
Observed Mar 5, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Mar 4, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Mar 3, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Mar 2, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Mar 1, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 28, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 26, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 25, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 24, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 23, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 22, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 21, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 20, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 19, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 18, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 17, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 16, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 15, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 14, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 13, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 12, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 11, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 10, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 9, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 8, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 7, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 6, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 5, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 4, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 3, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 2, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Feb 1, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 31, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 30, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 29, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 28, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 27, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 26, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 25, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 24, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 23, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 22, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 21, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 20, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 19, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 18, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 17, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 16, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 14, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 12, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 11, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 10, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 9, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Jan 8, 2026 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 27, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 26, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 25, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 24, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 23, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 22, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 21, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 20, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 19, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 18, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 17, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 9, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 8, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 7, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 6, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 5, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 4, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 3, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 2, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Dec 1, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 30, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 29, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 28, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 27, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 26, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 25, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 24, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 23, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 22, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 21, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 20, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 19, 2025 at 6:00 PM CST
discharge
-999,999 cfs
Observed Nov 18, 2025 at 6:00 PM CST
discharge
2,120 cfs
Observed Nov 17, 2025 at 6:00 PM CST
discharge
2,370 cfs
Observed Nov 16, 2025 at 6:00 PM CST
discharge
2,800 cfs
Observed Nov 15, 2025 at 6:00 PM CST
discharge
3,500 cfs
Observed Nov 14, 2025 at 6:00 PM CST
discharge
4,560 cfs
Observed Nov 13, 2025 at 6:00 PM CST
discharge
6,260 cfs
Observed Nov 12, 2025 at 6:00 PM CST
discharge
6,800 cfs
Observed Nov 11, 2025 at 6:00 PM CST
discharge
2,670 cfs
Observed Nov 10, 2025 at 6:00 PM CST
discharge
1,500 cfs
Observed Nov 9, 2025 at 6:00 PM CST
discharge
1,470 cfs
Observed Nov 8, 2025 at 6:00 PM CST
discharge
1,540 cfs
Observed Nov 7, 2025 at 6:00 PM CST
discharge
1,640 cfs
Observed Nov 6, 2025 at 6:00 PM CST
discharge
1,760 cfs
Observed Nov 5, 2025 at 6:00 PM CST
discharge
2,050 cfs
Observed Nov 4, 2025 at 6:00 PM CST
discharge
2,610 cfs
Observed Nov 3, 2025 at 6:00 PM CST
discharge
3,620 cfs
Observed Nov 2, 2025 at 6:00 PM CST
discharge
3,460 cfs
Observed Nov 1, 2025 at 7:00 PM CDT
discharge
1,410 cfs
Observed Oct 31, 2025 at 7:00 PM CDT
discharge
537 cfs
Observed Oct 30, 2025 at 7:00 PM CDT
discharge
452 cfs
Observed Oct 29, 2025 at 7:00 PM CDT
discharge
494 cfs
Observed Oct 28, 2025 at 7:00 PM CDT
discharge
540 cfs
Observed Oct 27, 2025 at 7:00 PM CDT
discharge
580 cfs
Observed Oct 26, 2025 at 7:00 PM CDT
discharge
552 cfs
Observed Oct 25, 2025 at 7:00 PM CDT
discharge
563 cfs
Observed Oct 24, 2025 at 7:00 PM CDT
discharge
591 cfs
Observed Oct 23, 2025 at 7:00 PM CDT
discharge
432 cfs
Observed Oct 22, 2025 at 7:00 PM CDT
discharge
308 cfs
Observed Oct 21, 2025 at 7:00 PM CDT
discharge
289 cfs
Observed Oct 20, 2025 at 7:00 PM CDT
discharge
290 cfs
Observed Oct 19, 2025 at 7:00 PM CDT
discharge
303 cfs
Observed Oct 18, 2025 at 7:00 PM CDT
discharge
318 cfs
Observed Oct 17, 2025 at 7:00 PM CDT
discharge
339 cfs
Observed Oct 16, 2025 at 7:00 PM CDT
discharge
361 cfs
Observed Oct 15, 2025 at 7:00 PM CDT
discharge
407 cfs
Observed Oct 14, 2025 at 7:00 PM CDT
discharge
478 cfs
Observed Oct 13, 2025 at 7:00 PM CDT
discharge
519 cfs
Observed Oct 12, 2025 at 7:00 PM CDT
discharge
521 cfs
Observed Oct 11, 2025 at 7:00 PM CDT
discharge
503 cfs
Observed Oct 10, 2025 at 7:00 PM CDT
discharge
482 cfs
Observed Oct 9, 2025 at 7:00 PM CDT
discharge
418 cfs
Observed Oct 8, 2025 at 7:00 PM CDT
discharge
327 cfs
Observed Oct 7, 2025 at 7:00 PM CDT
discharge
253 cfs
Observed Oct 6, 2025 at 7:00 PM CDT
discharge
264 cfs
Observed Oct 5, 2025 at 7:00 PM CDT
discharge
283 cfs
Observed Oct 4, 2025 at 7:00 PM CDT
discharge
303 cfs
Observed Oct 3, 2025 at 7:00 PM CDT
discharge
337 cfs
Observed Oct 2, 2025 at 7:00 PM CDT
discharge
378 cfs
Observed Oct 1, 2025 at 7:00 PM CDT
discharge
429 cfs
Observed Sep 30, 2025 at 7:00 PM CDT
discharge
494 cfs
Observed Sep 29, 2025 at 7:00 PM CDT
discharge
522 cfs
Observed Sep 28, 2025 at 7:00 PM CDT
discharge
556 cfs
Observed Sep 27, 2025 at 7:00 PM CDT
discharge
536 cfs
Observed Sep 26, 2025 at 7:00 PM CDT
discharge
355 cfs
Observed Sep 25, 2025 at 7:00 PM CDT
discharge
251 cfs
Observed Sep 24, 2025 at 7:00 PM CDT
discharge
234 cfs
Observed Sep 23, 2025 at 7:00 PM CDT
discharge
237 cfs
Observed Sep 22, 2025 at 7:00 PM CDT
discharge
237 cfs
Observed Sep 21, 2025 at 7:00 PM CDT
discharge
250 cfs
Observed Sep 20, 2025 at 7:00 PM CDT
discharge
269 cfs
Observed Sep 19, 2025 at 7:00 PM CDT
discharge
292 cfs
Observed Sep 18, 2025 at 7:00 PM CDT
discharge
319 cfs
Observed Sep 17, 2025 at 7:00 PM CDT
discharge
340 cfs
Observed Sep 16, 2025 at 7:00 PM CDT
discharge
373 cfs
Observed Sep 15, 2025 at 7:00 PM CDT
discharge
421 cfs
Observed Sep 14, 2025 at 7:00 PM CDT
discharge
482 cfs
Observed Sep 13, 2025 at 7:00 PM CDT
discharge
562 cfs
Observed Sep 12, 2025 at 7:00 PM CDT
discharge
673 cfs
Observed Sep 11, 2025 at 7:00 PM CDT
discharge
807 cfs
Observed Sep 10, 2025 at 7:00 PM CDT
discharge
930 cfs
Observed Sep 9, 2025 at 7:00 PM CDT
discharge
974 cfs
Observed Sep 8, 2025 at 7:00 PM CDT
discharge
973 cfs
Observed Sep 7, 2025 at 7:00 PM CDT
discharge
982 cfs
Observed Sep 6, 2025 at 7:00 PM CDT
discharge
1,010 cfs
Observed Sep 5, 2025 at 7:00 PM CDT
discharge
1,000 cfs
Observed Sep 4, 2025 at 7:00 PM CDT
discharge
1,110 cfs
Observed Sep 3, 2025 at 7:00 PM CDT
discharge
1,370 cfs
Observed Sep 2, 2025 at 7:00 PM CDT
Alerts
Alerts unavailable
Alerts are shown only when the API returns a source-backed match.
Official public sources
Readings and thresholds stay tied to USGS, NOAA/NWS, or source-backed records.
Source freshness
Observed and fetched timestamps are shown separately when the API returns them.
Transparent methodology
Unavailable forecasts, alerts, and thresholds are shown as unavailable states.