Oklahoma River Levels & Streamflow
As of Aug 2, 2026, Oklahoma rivers are running at 91% of normal across 119 USGS gauges — the highest is 11,800 cfs on the Arkansas River Near Muskogee. Live discharge, gauge height, and percent-of-normal for every USGS streamgauge in Oklahoma.
Streamflow levels across Oklahoma are currently 91% of normal, with the Arkansas River Near Muskogee reporting the highest discharge in the state at 11,800 cfs and a gauge stage of 18.24 ft.
Meanwhile, the Verdigris River Near Lenapah is seeing a spike today — up 52% since yesterday and currently running near peak.
Tap any gauge below for the full hydrograph, paired weather forecast, and historical context. Use the rivers panel to jump into Oklahoma's named rivers.
State-wide streamflow overview
The Oklahoma flow picture in four data points -- where the state sits versus historical norms, what's flowing hardest, and what's spiking fastest.
Percent of normal
100% is the historical norm. Below 70% indicates drought; above 130% can flag elevated flood risk.
Highest discharge
Gauge stage 18.24 ft
Biggest 24h spike
Now 251 cfs
Network coverage
USGS gauges feeding 0 named rivers in Oklahoma.
Oklahoma USGS streamgauges
Every USGS gauge Snoflo tracks in Oklahoma. Sortable, quickly filterable. Numeric columns heat-mapped from light to deep. Tap any gauge for its full hydrograph and forecast.
| Streamgage | Streamflow | Gage height | Water temp | Air temp | Elevation | Watershed |
|---|---|---|---|---|---|---|
|
Arkansas River At Tulsa, Ok
5 days ago · USGS 07164500 |
10,200 cfs | 1.79 ft | 83°F | 70°F | 638 ft | Polecat-Snake |
|
Arkansas River Near Muskogee, Ok
6 hours ago · USGS 07194500 |
9,250 cfs | 18.25 ft | · | 67°F | 492 ft | Dirty-Greenleaf |
|
Arkansas River At Ralston, Ok
6 hours ago · USGS 07152500 |
4,300 cfs | 5.83 ft | · | 67°F | 790 ft | Black Bear-Red Rock |
|
Verdigris River Near Claremore, Ok
5 hours ago · USGS 07176000 |
4,190 cfs | 7.56 ft | · | 68°F | 548 ft | Lower Verdigris |
|
Arkansas River Near Haskell, Ok
6 hours ago · USGS 07165570 |
4,110 cfs | 4.36 ft | · | 68°F | 539 ft | Polecat-Snake |
|
Canadian River Near Whitefield, Ok
5 hours ago · USGS 07245000 |
2,390 cfs | 3.30 ft | · | 68°F | 491 ft | Lower Canadian |
|
Neosho River Near Commerce, Ok
5 hours ago · USGS 07185000 |
1,500 cfs | 3.54 ft | · | 65°F | 750 ft | Lake O'Cherokees |
|
Neosho River Near Langley, Ok
5 hours ago · USGS 07190500 |
1,370 cfs | 12.72 ft | · | 66°F | 623 ft | Lower Neosho |
|
Red River At Arthur City, Ok
6 hours ago · USGS 07335500 |
1,040 cfs | 4.11 ft | · | 69°F | 387 ft | Bois D'Arc-Island |
|
Spring River Near Quapaw, Ok
6 hours ago · USGS 07188000 |
563 cfs | 5.77 ft | · | 65°F | 750 ft | Spring |
|
Illinois River Near Tahlequah, Ok
5 hours ago · USGS 07196500 |
498 cfs | 5.36 ft | · | 66°F | 666 ft | Illinois |
|
Neosho River Near Chouteau, Ok
6 hours ago · USGS 07191500 |
495 cfs | 6.40 ft | · | 67°F | 564 ft | Lower Neosho |
|
Illinois River At Chewey, Ok
5 hours ago · USGS 07196090 |
417 cfs | 2.85 ft | · | 65°F | 806 ft | Illinois |
|
Illinois River Near Watts, Ok
5 hours ago · USGS 07195500 |
309 cfs | 2.48 ft | 82°F | 65°F | 881 ft | Illinois |
|
Illinois River Near Gore, Ok
5 hours ago · USGS 07198000 |
297 cfs | 7.31 ft | 69°F | 68°F | 489 ft | Illinois |
|
Mountain Fork Near Eagletown, Ok
5 hours ago · USGS 07339000 |
250 cfs | 1.11 ft | 78°F | 67°F | 350 ft | Mountain Fork |
|
Bird Ck At State Highway 266 Near Catoosa, Ok
5 hours ago · USGS 07178200 |
225 cfs | 4.27 ft | 80°F | 69°F | 575 ft | Bird |
|
Verdigris River Near Lenapah, Ok
6 hours ago · USGS 07171000 |
206 cfs | 4.05 ft | · | 66°F | 649 ft | Middle Verdigris |
|
Cimarron River Near Ripley, Ok
7 hours ago · USGS 07161450 |
197 cfs | 6.64 ft | · | 67°F | 804 ft | Lower Cimarron |
|
Bird Creek Near Owasso, Ok
6 hours ago · USGS 07178000 |
161 cfs | 4.68 ft | · | 69°F | 587 ft | Bird |
|
Washita River Near Dickson, Ok
5 hours ago · USGS 07331000 |
148 cfs | 6.58 ft | 73°F | 68°F | 665 ft | Middle Washita |
|
Bird Creek Near Sperry, Ok
6 hours ago · USGS 07177500 |
140 cfs | 1.77 ft | 74°F | 69°F | 620 ft | Bird |
|
Little River Blw Lukfata Creek, Ok
5 hours ago · USGS 07338500 |
140 cfs | 5.41 ft | · | 68°F | 331 ft | Upper Little |
|
Chikaskia River Near Blackwell, Ok
5 hours ago · USGS 07152000 |
124 cfs | 2.53 ft | · | 65°F | 978 ft | Chikaskia |
|
North Canadian River Near Wetumka, Ok
6 hours ago · USGS 07242000 |
124 cfs | 5.88 ft | · | 67°F | 686 ft | Lower North Canadian |
|
Washita River Near Pauls Valley, Ok
5 hours ago · USGS 07328500 |
118 cfs | 2.95 ft | · | 67°F | 856 ft | Middle Washita |
|
North Canadian River At Shawnee, Ok
6 hours ago · USGS 07241800 |
111 cfs | 9.03 ft | · | 67°F | 978 ft | Lower North Canadian |
|
Poteau River Near Panama, Ok
5 hours ago · USGS 07249413 |
105 cfs | 6.02 ft | · | 69°F | 435 ft | Poteau |
|
Canadian River At Calvin, Ok
6 hours ago · USGS 07231500 |
88 cfs | 4.80 ft | · | 68°F | 688 ft | Lower Canadian-Walnut |
|
North Canadian River Near Harrah, Ok
6 hours ago · USGS 07241550 |
86 cfs | 3.07 ft | 79°F | 67°F | 1,079 ft | Lower North Canadian |
|
Lee Creek At Short, Ok
5 hours ago · USGS 07249800 |
84 cfs | 2.32 ft | · | 68°F | 466 ft | Robert S. Kerr Reservoir |
|
Lee Creek Near Short, Ok
5 hours ago · USGS 07249985 |
84 cfs | 1.89 ft | · | 69°F | 429 ft | Robert S. Kerr Reservoir |
|
Red Rv Nr Terral, Ok
6 hours ago · USGS 07315500 |
84 cfs | 3.61 ft | · | 68°F | 794 ft | Farmers-Mud |
|
Spavinaw Creek Near Colcord, Ok
5 hours ago · USGS 071912213 |
65 cfs | 7.15 ft | 70°F | 65°F | 839 ft | Lower Neosho |
|
Blue River Near Connerville, Ok
6 hours ago · USGS 07332390 |
64 cfs | 5.71 ft | · | 69°F | 902 ft | Blue |
|
Spavinaw Creek Near Eucha, Ok
5 hours ago · USGS 07191288 |
58 cfs | 7.62 ft | 81°F | 66°F | 705 ft | Lower Neosho |
|
Baron Fork At Eldon, Ok
5 hours ago · USGS 07197000 |
56 cfs | 5.84 ft | · | 66°F | 720 ft | Illinois |
|
Spavinaw Creek Near Sycamore, Ok
5 hours ago · USGS 07191220 |
55 cfs | 4.03 ft | · | 65°F | 875 ft | Lower Neosho |
|
Flint Creek Near Kansas, Ok
5 hours ago · USGS 07196000 |
53 cfs | 6.14 ft | · | 65°F | 873 ft | Illinois |
|
Cimarron River Near Guthrie, Ok
5 hours ago · USGS 07160000 |
51 cfs | 5.19 ft | · | 67°F | 908 ft | Lower Cimarron-Skeleton |
|
Salt Fork Arkansas River At Tonkawa, Ok
5 hours ago · USGS 07151000 |
48 cfs | 3.05 ft | · | 66°F | 938 ft | Lower Salt Fork Arkansas |
|
Canadian River At Bridgeport, Ok
5 hours ago · USGS 07228500 |
43 cfs | 8.70 ft | · | 66°F | 1,379 ft | Lower Canadian-Walnut |
|
Blue River Near Blue, Ok
5 hours ago · USGS 07332500 |
40 cfs | 5.58 ft | · | 71°F | 507 ft | Blue |
|
Red River Near Gainesville, Ok
6 hours ago · USGS 07316000 |
35 cfs | 4.41 ft | · | 70°F | 640 ft | Farmers-Mud |
|
Cottonwood Creek Near Seward, Ok
5 hours ago · USGS 07159750 |
35 cfs | 2.37 ft | · | 67°F | 939 ft | Lower Cimarron-Skeleton |
|
Muddy Boggy Creek Near Unger, Ok
6 hours ago · USGS 07335300 |
32 cfs | 8.20 ft | · | 70°F | 412 ft | Muddy Boggy |
|
Deep Fork Near Beggs, Ok
5 hours ago · USGS 07243500 |
31 cfs | · | · | 68°F | 657 ft | Deep Fork |
|
Caney River Above Coon Creek At Bartlesville, Ok
6 hours ago · USGS 07174400 |
26 cfs | 3.01 ft | · | 65°F | 669 ft | Caney |
|
Cimarron River Near Dover, Ok
5 hours ago · USGS 07159100 |
24 cfs | 8.97 ft | · | 67°F | 1,018 ft | Lower Cimarron-Skeleton |
|
Kiamichi River Near Clayton, Ok
6 hours ago · USGS 07335790 |
23 cfs | 3.35 ft | · | 69°F | 544 ft | Kiamichi |
|
Caney Creek Near Barber, Ok
6 hours ago · USGS 07197360 |
22 cfs | 4.75 ft | · | 66°F | 673 ft | Illinois |
|
Bird Creek At Avant, Ok
5 hours ago · USGS 07176500 |
18 cfs | 3.58 ft | · | 68°F | 666 ft | Bird |
|
Canadian River At Norman, Ok
6 hours ago · USGS 07229050 |
18 cfs | 85.36 ft | · | 68°F | 1,103 ft | Lower Canadian-Walnut |
|
Pennington Creek Near Reagan, Ok
5 hours ago · USGS 07331300 |
17 cfs | 10.83 ft | · | 68°F | 895 ft | Lower Washita |
|
Beaty Creek Near Jay, Ok
5 hours ago · USGS 07191222 |
14 cfs | 4.80 ft | 77°F | 66°F | 798 ft | Lower Neosho |
|
Washita River At Anadarko, Ok
5 hours ago · USGS 07326500 |
13 cfs | 6.47 ft | · | 66°F | 1,175 ft | Upper Washita |
|
Sager Creek Near West Siloam Springs, Ok
16 hours ago · USGS 07195865 |
13 cfs | 5.57 ft | · | 65°F | 968 ft | Illinois |
|
Canadian River At Purcell, Ok
5 hours ago · USGS 07229200 |
11 cfs | 2.90 ft | · | 67°F | 1,032 ft | Lower Canadian-Walnut |
|
North Fork Red River Near Carter, Ok
6 hours ago · USGS 07301500 |
11 cfs | 5.03 ft | 81°F | 65°F | 1,688 ft | Middle North Fork Red |
|
Deep Fork At Warwick, Ok
6 hours ago · USGS 07242380 |
11 cfs | 4.15 ft | · | 67°F | 824 ft | Deep Fork |
|
North Fork Red River Near Tipton, Ok
5 hours ago · USGS 07307028 |
10 cfs | 4.88 ft | · | 68°F | 1,250 ft | Lower North Fork Red |
|
Salt Fork Arkansas River Nr Alva, Ok
5 hours ago · USGS 07148400 |
10 cfs | 2.20 ft | · | 65°F | 1,300 ft | Upper Salt Fork Arkansas |
|
Kiamichi River Near Antlers, Ok
5 hours ago · USGS 07336200 |
10 cfs | 1.62 ft | · | 68°F | 452 ft | Kiamichi |
|
Muddy Boggy Creek Near Farris, Ok
5 hours ago · USGS 07334000 |
10 cfs | 6.89 ft | · | 72°F | 469 ft | Muddy Boggy |
|
Honey Creek Near South West City, Ok
5 hours ago · USGS 07189542 |
10 cfs | 4.41 ft | · | 66°F | 794 ft | Lake O'Cherokees |
|
North Canadian River At Britton Rd At Okc, Ok
6 hours ago · USGS 07241520 |
9 cfs | 4.39 ft | 81°F | 67°F | 1,120 ft | Lower North Canadian |
|
Big Cabin Creek Near Big Cabin, Ok
5 hours ago · USGS 07191000 |
9 cfs | 12.12 ft | · | 66°F | 668 ft | Lower Neosho |
|
Rock Creek At Sulphur, Ok
5 hours ago · USGS 07329852 |
9 cfs | 5.38 ft | · | 67°F | 912 ft | Middle Washita |
|
Fourche Maline Near Red Oak, Ok
5 hours ago · USGS 07247500 |
8 cfs | 1.96 ft | · | 67°F | 554 ft | Poteau |
|
Mountain Fork At Smithville, Ok
5 hours ago · USGS 07338750 |
8 cfs | 6.09 ft | · | 66°F | 674 ft | Mountain Fork |
|
North Canadian River Blw Lk Overholser Nr Okc, Ok
6 hours ago · USGS 07241000 |
8 cfs | 3.79 ft | 79°F | 68°F | 1,220 ft | Middle North Canadian |
|
North Canadian River Near Yukon, Ok
5 hours ago · USGS 07239700 |
7 cfs | · | 74°F | 68°F | 1,260 ft | Middle North Canadian |
|
Cimarron River Near Waynoka, Ok
11 hours ago · USGS 07158000 |
7 cfs | 5.31 ft | · | 64°F | 1,372 ft | Lower Cimarron-Eagle Chief |
|
Salt Fork Red River Near Elmer, Ok
6 hours ago · USGS 07301110 |
7 cfs | 5.11 ft | · | 68°F | 1,271 ft | Groesbeck-Sandy |
|
Poteau River At Loving, Ok
5 hours ago · USGS 07247015 |
7 cfs | 8.77 ft | · | 67°F | 532 ft | Poteau |
|
North Canadian River At Woodward, Ok
6 hours ago · USGS 07237500 |
7 cfs | 2.20 ft | · | 63°F | 1,851 ft | Middle North Canadian |
|
Black Bear Creek At Pawnee, Ok
5 hours ago · USGS 07153000 |
7 cfs | 1.57 ft | · | 67°F | 812 ft | Black Bear-Red Rock |
|
Skeleton Creek Near Lovell, Ok
5 hours ago · USGS 07160500 |
6 cfs | 8.96 ft | · | 67°F | 941 ft | Lower Cimarron-Skeleton |
|
Black Fork Below Big Creek Nr Page, Ok
6 hours ago · USGS 07247250 |
5 cfs | 4.70 ft | · | 67°F | 688 ft | Poteau |
|
Mud Creek Near Courtney, Ok
21 hours ago · USGS 07315700 |
5 cfs | 7.52 ft | · | 69°F | 753 ft | Farmers-Mud |
|
Skeleton Creek At Enid, Ok
6 hours ago · USGS 07160350 |
5 cfs | 2.42 ft | 76°F | 65°F | 1,124 ft | Lower Cimarron-Skeleton |
|
Glover River Near Glover, Ok
5 hours ago · USGS 07337900 |
3 cfs | 2.27 ft | · | 68°F | 387 ft | Upper Little |
|
East Cache Creek Near Walters, Ok
5 hours ago · USGS 07311000 |
3 cfs | 4.20 ft | · | 68°F | 965 ft | Cache |
|
Cobb Creek Near Eakly, Ok
5 hours ago · USGS 07325800 |
2 cfs | 2.97 ft | · | 66°F | 1,384 ft | Upper Washita |
|
North Canadian River Near El Reno, Ok
5 hours ago · USGS 07239500 |
2 cfs | 2.33 ft | 68°F | 66°F | 1,331 ft | Middle North Canadian |
|
North Canadian River Near Calumet, Ok
6 hours ago · USGS 07239450 |
2 cfs | 2.86 ft | 78°F | 66°F | 1,336 ft | Middle North Canadian |
|
North Canadian River Blw Weavers Ck Nr Watonga, Ok
5 hours ago · USGS 07239300 |
2 cfs | 6.99 ft | · | 66°F | 1,482 ft | Middle North Canadian |
|
Cave Springs Branch Near South West City, Ok
6 hours ago · USGS 07189540 |
2 cfs | 4.57 ft | · | 66°F | 934 ft | Lake O'Cherokees |
|
Joe Creek At 61st St At Tulsa, Ok
5 hours ago · USGS 07164600 |
2 cfs | · | · | 70°F | 647 ft | Polecat-Snake |
|
Tar Creek At 22nd Street Bridge, Ok
5 hours ago · USGS 07185095 |
2 cfs | 3.68 ft | · | 65°F | 769 ft | Lake O'Cherokees |
|
Cobb Creek Near Fort Cobb, Ok
6 hours ago · USGS 07326000 |
2 cfs | 2.76 ft | · | 66°F | 1,282 ft | Upper Washita |
|
Little Washita River East Of Ninnekah, Ok
6 hours ago · USGS 07327550 |
2 cfs | 6.07 ft | · | 67°F | 1,059 ft | Upper Washita |
|
Flat Rock Creek At Cincinnati Ave At Tulsa, Ok
5 hours ago · USGS 07177650 |
2 cfs | 3.87 ft | · | 69°F | 658 ft | Bird |
|
Coal Creek At Tulsa, Ok
5 hours ago · USGS 07177800 |
2 cfs | 4.50 ft | · | 69°F | 630 ft | Bird |
|
Washita River Near Foss, Ok
6 hours ago · USGS 07324400 |
2 cfs | 6.08 ft | · | 65°F | 1,574 ft | Upper Washita |
|
Washita River Near Hammon, Ok
5 hours ago · USGS 07324200 |
1 cfs | 6.95 ft | · | 64°F | 1,662 ft | Washita Headwaters |
|
North Fork Red River Blw Altus Dam Nr Lugert, Ok
5 hours ago · USGS 07303000 |
1 cfs | 5.23 ft | · | 66°F | 1,486 ft | Middle North Fork Red |
|
Little River Blw Lk Thunderbird Nr Norman, Ok
6 hours ago · USGS 07230000 |
1 cfs | 3.08 ft | · | 68°F | 972 ft | Little |
|
Little Haikey Creek At 101st St South At Tulsa, Ok
5 hours ago · USGS 07165565 |
1 cfs | 5.23 ft | · | 69°F | 652 ft | Polecat-Snake |
|
Haikey Creek At 101st St South At Tulsa, Ok
5 hours ago · USGS 07165562 |
1 cfs | 4.10 ft | · | 69°F | 634 ft | Polecat-Snake |
|
Sweetwater Creek Near Sweetwater, Ok
6 hours ago · USGS 07301420 |
1 cfs | 6.54 ft | · | 64°F | 2,098 ft | Middle North Fork Red |
|
Washita River Near Cheyenne, Ok
6 hours ago · USGS 07316500 |
0 cfs | 5.49 ft | · | 64°F | 1,915 ft | Washita Headwaters |
|
North Canadian River Near Seiling, Ok
6 hours ago · USGS 07238000 |
0 cfs | 3.61 ft | · | 64°F | 1,685 ft | Middle North Canadian |
|
Little Washita River Near Cyril, Ok
6 hours ago · USGS 07327442 |
0 cfs | 9.85 ft | · | 66°F | 1,292 ft | Upper Washita |
|
Lake Creek Near Eakly, Ok
6 hours ago · USGS 07325850 |
0 cfs | 3.88 ft | · | 66°F | 1,384 ft | Upper Washita |
|
Walnut Creek At Purcell, Ok
5 hours ago · USGS 07229300 |
0 cfs | 2.65 ft | · | 67°F | 1,026 ft | Lower Canadian-Walnut |
|
Flint Cr Nr W Siloam Sprgs Ok, Ok
5 hours ago · USGS 07195855 |
0 cfs | 4.27 ft | · | 65°F | 958 ft | Illinois |
|
Beaver River At Beaver, Ok
6 hours ago · USGS 07234000 |
0 cfs | 2.36 ft | · | 63°F | 2,377 ft | Lower Beaver |
|
Little Washita River Near Cement, Ok
6 hours ago · USGS 07327447 |
0 cfs | 2.32 ft | · | 67°F | 1,218 ft | Upper Washita |
|
Caney River Near Ramona, Ok
5 hours ago · USGS 07175500 |
0 cfs | 2.67 ft | · | 68°F | 616 ft | Caney |
|
North Criner Creek Near Criner, Ok
5 hours ago · USGS 07328180 |
0 cfs | 2.78 ft | · | 67°F | 1,045 ft | Middle Washita |
|
Little River Near Sasakwa, Ok
5 hours ago · USGS 07231000 |
0 cfs | 2.54 ft | · | 68°F | 753 ft | Little |
|
Cimarron River Near Buffalo, Ok
5 hours ago · USGS 07157950 |
0 cfs | 3.12 ft | · | 63°F | 1,613 ft | Lower Cimarron-Eagle Chief |
|
Little Lee Creek Near Short, Ok
6 hours ago · USGS 07249920 |
0 cfs | · | · | 68°F | 507 ft | Robert S. Kerr Reservoir |
|
Salt Fork Red River At Mangum, Ok
5 hours ago · USGS 07300500 |
0 cfs | 1.56 ft | · | 66°F | 1,502 ft | Lower Salt Fork Red |
|
North Fork Red River Near Headrick, Ok
6 hours ago · USGS 07305000 |
0 cfs | 4.96 ft | 53°F | 68°F | 1,307 ft | Lower North Fork Red |
|
Deep Red Creek Near Randlett, Ok
5 hours ago · USGS 07311500 |
0 cfs | 2.19 ft | · | 68°F | 936 ft | West Cache |
|
Washita River Near Clinton, Ok
5 hours ago · USGS 07325000 |
0 cfs | 4.04 ft | · | 66°F | 1,482 ft | Upper Washita |
|
Kiamichi River Near Big Cedar, Ok
5 hours ago · USGS 07335700 |
0 cfs | 2.56 ft | 84°F | 67°F | 901 ft | Kiamichi |
See every Oklahoma gauge ranked against normal.
- Percentile rank & % of median for all 119 gauges
- 15-day PULSE forecast on every gauge
- Custom flow alerts & full daily history
About Oklahoma streamflow
What are river levels like in Oklahoma right now?
As of August 2, 2026, Oklahoma rivers are running at 91% of normal across 119 USGS streamgauges, and the Arkansas River Near Muskogee is reporting the highest discharge at 11,800 cfs. The full sortable gauge table is below.
Which Oklahoma river is running highest right now?
As of August 2, 2026, the highest discharge in Oklahoma is 11,800 cfs on the Arkansas River Near Muskogee. See the sortable gauge table for the full statewide ranking.
Are Oklahoma rivers high or low right now?
Compare the statewide percent-of-normal on this page: above 100% means Oklahoma rivers are running higher than the seasonal average for the date, below 100% means lower (a dry spell or drought). Each gauge also shows its own percent of median.
Where does the Oklahoma streamflow data come from?
The U.S. Geological Survey National Water Information System. USGS streamgauges report continuously (every 15 minutes) and the data is the canonical real-time record for U.S. rivers. Snoflo pulls the latest readings and joins them to a 7-day NOAA weather forecast for each station.
What is cfs?
Cubic feet per second — the standard unit for streamflow. One cfs is about 7.5 gallons per second. Small creeks run at single-digit cfs; the Mississippi at hundreds of thousands.
What does Gauge Height mean?
The water level at the gauge in feet above the reference datum. Used together with discharge to track river state. Flood stage and runnable levels are typically expressed in gauge height (e.g., "flood at 16 ft").
How fresh is the Oklahoma data?
USGS streamgauges report every 15 minutes; Snoflo re-pulls throughout the day. The AI briefing regenerates daily.
Can I get a flow alert for a Oklahoma gauge?
Yes. Save any USGS gauge as a favorite in the Snoflo iOS app, set a discharge or stage threshold (e.g. "alert me when discharge crosses 2,000 cfs"), and you'll get a push the moment it crosses.
Is this a substitute for an NWS flood warning?
No. Snoflo is informational. For flood life-safety decisions always follow guidance from your local NWS forecast office and state emergency management. Snoflo data is one input among several.