Flow report
Michigan River Levels & Streamflow
As of Aug 4, 2026, Michigan rivers are running at 104% of normal across 126 USGS gauges — the highest is 2,270 cfs on the St. Joseph River At Niles. Live discharge, gauge height, and percent-of-normal for every USGS streamgauge in Michigan.
USGS gauges
126
State percent normal
104%
Paddle runs
0
Updated
Aug 4
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Every USGS streamgauge filtered to Michigan.
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August
4
2026
Flow briefing
Streamflow levels across Michigan are currently 104% of normal, with the St. Joseph River At Niles reporting the highest discharge in the state at 2,270 cfs and a gauge stage of 5.22 ft.
Meanwhile, the Sturgeon River Near Nahma Junction is seeing a spike today — up 43% 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 Michigan's named rivers.
River levels near Michigan towns
Michigan at a glance
State-wide streamflow overview
The Michigan 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
104%
100% is the historical norm. Below 70% indicates drought; above 130% can flag elevated flood risk.
Highest discharge
St. Joseph River At Niles
2,270 cfs
Gauge stage 5.22 ft
Biggest 24h spike
Sturgeon River Near Nahma Junction
+43%
Now 556 cfs
Network coverage
Gauges + rivers tracked
126 + 0
USGS gauges feeding 0 named rivers in Michigan.
Full streamgauge inventory
Michigan USGS streamgauges
Every USGS gauge Snoflo tracks in Michigan. 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 |
|---|---|---|---|---|---|---|
|
St. Joseph River At Niles, Mi
1 day ago · USGS 04101500 |
2,380 cfs | 5.31 ft | 76°F | 58°F | 664 ft | St. Joseph |
|
Menominee River At Koss, Mi
1 day ago · USGS 04066800 |
2,050 cfs | 10.15 ft | · | 46°F | 663 ft | Menominee |
|
Menominee River Near Vulcan, Mi
1 day ago · USGS 04065722 |
1,790 cfs | 5.77 ft | · | 46°F | 807 ft | Menominee |
|
Menominee River At White Rapids Dam Near Banat, Mi
1 day ago · USGS 04066030 |
1,750 cfs | 6.87 ft | · | 46°F | 689 ft | Menominee |
|
Menominee River Below Pemene Creek Near Pembine, Mi
1 day ago · USGS 04066003 |
1,650 cfs | 7.50 ft | · | 46°F | 748 ft | Menominee |
|
Manistee River Near Wellston, Mi
1 day ago · USGS 04125550 |
1,630 cfs | 8.78 ft | 70°F | 49°F | 621 ft | Manistee |
|
Grand River At Grand Rapids, Mi
1 day ago · USGS 04119000 |
1,480 cfs | 1.27 ft | · | 58°F | 587 ft | Lower Grand |
|
Au Sable River Near Au Sable, Mi
1 day ago · USGS 04137500 |
1,340 cfs | 8.82 ft | 75°F | 52°F | 587 ft | Au Sable |
|
Au Sable River Near Curtisville, Mi
1 day ago · USGS 04137005 |
1,300 cfs | 8.49 ft | 71°F | 48°F | 803 ft | Au Sable |
|
Au Sable River Near Mc Kinley, Mi
1 day ago · USGS 04136900 |
1,210 cfs | 7.73 ft | 67°F | 47°F | 853 ft | Au Sable |
|
Manistee River Near Mesick, Mi
1 day ago · USGS 04124200 |
1,160 cfs | 3.78 ft | 69°F | 51°F | 754 ft | Manistee |
|
Muskegon River Near Croton, Mi
1 day ago · USGS 04121970 |
1,070 cfs | 4.49 ft | 72°F | 56°F | 685 ft | Muskegon |
|
Manistee River Near Sherman, Mi
1 day ago · USGS 04124000 |
1,060 cfs | 12.17 ft | 65°F | 51°F | 820 ft | Manistee |
|
Kalamazoo River At New Richmond, Mi
1 day ago · USGS 04108660 |
1,050 cfs | 10.32 ft | 76°F | 61°F | 605 ft | Kalamazoo |
|
Au Sable River At Mio, Mi
1 day ago · USGS 04136500 |
1,020 cfs | 3.19 ft | 69°F | 46°F | 946 ft | Au Sable |
|
Manistique River Near Manistique, Mi
1 day ago · USGS 04056500 |
958 cfs | 3.76 ft | · | 47°F | 617 ft | Manistique |
|
St. Joseph River At Mottville, Mi
1 day ago · USGS 04099000 |
919 cfs | 2.67 ft | · | 58°F | 780 ft | St. Joseph |
|
Menominee River Near Florence, Mi
1 day ago · USGS 04063000 |
849 cfs | 3.33 ft | · | 48°F | 1,118 ft | Brule |
|
Au Sable River Near Red Oak, Mi
1 day ago · USGS 04136000 |
849 cfs | 3.22 ft | 66°F | 46°F | 1,008 ft | Au Sable |
|
Tahquamenon River Near Paradise, Mi
1 day ago · USGS 04045500 |
807 cfs | 4.52 ft | · | 50°F | 729 ft | Tahquamenon |
|
Grand River At Ionia, Mi
1 day ago · USGS 04116000 |
671 cfs | 8.24 ft | · | 55°F | 620 ft | Lower Grand |
|
Ontonagon River Near Rockland, Mi
1 day ago · USGS 04040000 |
609 cfs | 5.50 ft | 32°F | 49°F | 670 ft | Ontonagon |
|
Tittabawassee River At Midland, Mi
1 day ago · USGS 04156000 |
571 cfs | 9.33 ft | · | 54°F | 586 ft | Tittabawassee |
|
Michigamme River Near Crystal Falls, Mi
1 day ago · USGS 04062500 |
570 cfs | 3.62 ft | · | 44°F | 1,305 ft | Michigamme |
|
Muskegon River At Evart, Mi
1 day ago · USGS 04121500 |
566 cfs | 7.00 ft | · | 55°F | 997 ft | Muskegon |
|
Thunder Bay River At Herron Road Near Bolton, Mi
1 day ago · USGS 04133501 |
556 cfs | 12.33 ft | · | 53°F | 704 ft | Thunder Bay |
|
Kalamazoo River At Comstock, Mi
1 day ago · USGS 04106000 |
547 cfs | 3.96 ft | · | 56°F | 792 ft | Kalamazoo |
|
Grand River At Portland, Mi
1 day ago · USGS 04114000 |
539 cfs | 5.43 ft | · | 56°F | 719 ft | Upper Grand |
|
St. Joseph River At Three Rivers, Mi
1 day ago · USGS 04097500 |
512 cfs | 2.95 ft | · | 57°F | 800 ft | St. Joseph |
|
Pere Marquette River At Scottville, Mi
1 day ago · USGS 04122500 |
508 cfs | 1.15 ft | · | 54°F | 625 ft | Pere Marquette-White |
|
Kalamazoo River Near Battle Creek, Mi
1 day ago · USGS 04105500 |
375 cfs | 2.88 ft | · | 60°F | 804 ft | Kalamazoo |
|
Escanaba River At Cornell, Mi
1 day ago · USGS 04059000 |
361 cfs | 1.48 ft | 66°F | 46°F | 735 ft | Escanaba |
|
Paw Paw River At Riverside, Mi
1 day ago · USGS 04102500 |
330 cfs | 5.94 ft | · | 57°F | 610 ft | St. Joseph |
|
Paint River Nr Alpha, Mi
1 day ago · USGS 04062000 |
292 cfs | 3.38 ft | · | 44°F | 1,271 ft | Brule |
|
Clinton River At Moravian Drive At Mt. Clemens, Mi
1 day ago · USGS 04165500 |
291 cfs | 5.90 ft | 71°F | 58°F | 574 ft | Clinton |
|
White River Near Whitehall, Mi
1 day ago · USGS 04122200 |
278 cfs | 1.31 ft | · | 57°F | 619 ft | Pere Marquette-White |
|
Sturgeon River Near Nahma Junction, Mi
1 day ago · USGS 04057510 |
275 cfs | 5.09 ft | · | 44°F | 662 ft | Fishdam-Sturgeon |
|
Grand River At Lansing, Mi
1 day ago · USGS 04113000 |
253 cfs | 2.25 ft | · | 59°F | 808 ft | Upper Grand |
|
Pine River At High School Bridge Nr Hoxeyville, Mi
1 day ago · USGS 04125460 |
245 cfs | 4.01 ft | 60°F | 50°F | 856 ft | Manistee |
|
Kalamazoo River At Marshall, Mi
1 day ago · USGS 04103500 |
240 cfs | 4.17 ft | · | 59°F | 882 ft | Kalamazoo |
|
Rifle River Near Sterling, Mi
1 day ago · USGS 04142000 |
232 cfs | 1.66 ft | 53°F | 49°F | 639 ft | Au Gres-Rifle |
|
Brule River At Us Highway 2 Near Florence, Mi
1 day ago · USGS 04060993 |
227 cfs | 3.63 ft | · | 48°F | 1,241 ft | Brule |
|
Dowagiac River At Sumnerville, Mi
1 day ago · USGS 04101800 |
227 cfs | 5.40 ft | · | 57°F | 716 ft | St. Joseph |
|
Sturgeon River At Wolverine, Mi
1 day ago · USGS 04127997 |
221 cfs | 2.89 ft | · | 48°F | 778 ft | Cheboygan |
|
Chippewa River Near Mount Pleasant, Mi
1 day ago · USGS 04154000 |
199 cfs | 3.30 ft | · | 57°F | 730 ft | Pine |
|
South Branch Au Sable River Near Luzerne, Mi
1 day ago · USGS 04135700 |
197 cfs | 4.71 ft | 63°F | 45°F | 1,070 ft | Au Sable |
|
Jordan River Near East Jordan, Mi
1 day ago · USGS 04127800 |
187 cfs | 3.50 ft | · | 52°F | 629 ft | Boardman-Charlevoix |
|
Little Muskegon River Near Oak Grove, Mi
1 day ago · USGS 04121944 |
177 cfs | 3.22 ft | 67°F | 55°F | 756 ft | Muskegon |
|
Clinton River Near Fraser, Mi
1 day ago · USGS 04164000 |
176 cfs | 5.87 ft | · | 61°F | 586 ft | Clinton |
|
Tobacco River At Glidden Road At Beaverton, Mi
1 day ago · USGS 04152500 |
174 cfs | 2.39 ft | · | 50°F | 715 ft | Tittabawassee |
|
Platte River At Honor, Mi
1 day ago · USGS 04126740 |
141 cfs | 1.27 ft | · | 55°F | 606 ft | Betsie-Platte |
|
Huron River At Ann Arbor, Mi
1 day ago · USGS 04174500 |
140 cfs | 11.89 ft | 64°F | 56°F | 758 ft | Huron |
|
Middle Branch Ontonagon River Near Paulding, Mi
1 day ago · USGS 04033000 |
135 cfs | 4.34 ft | · | 46°F | 1,500 ft | Ontonagon |
|
Boardman R Above Brown Bridge Road Nr Mayfield, Mi
1 day ago · USGS 04126970 |
133 cfs | 3.35 ft | · | 52°F | 826 ft | Boardman-Charlevoix |
|
Flint River Near Flint, Mi
1 day ago · USGS 04148500 |
128 cfs | 3.19 ft | · | 55°F | 684 ft | Flint |
|
Rogue River Near Rockford, Mi
1 day ago · USGS 04118500 |
126 cfs | 3.79 ft | · | 60°F | 665 ft | Lower Grand |
|
Pigeon R At Sturgeon Valley Rd Near Vanderbilt, Mi
1 day ago · USGS 04128990 |
123 cfs | 2.62 ft | · | 48°F | 914 ft | Cheboygan |
|
River Raisin Near Monroe, Mi
1 day ago · USGS 04176500 |
118 cfs | 2.22 ft | 67°F | 60°F | 618 ft | Raisin |
|
Clinton River At Sterling Heights, Mi
1 day ago · USGS 04161820 |
105 cfs | 7.56 ft | 70°F | 61°F | 612 ft | Clinton |
|
Shiawassee River At Owosso, Mi
1 day ago · USGS 04144500 |
102 cfs | 2.04 ft | · | 57°F | 695 ft | Shiawassee |
|
Thornapple River Near Hastings, Mi
1 day ago · USGS 04117500 |
99 cfs | 2.92 ft | · | 55°F | 803 ft | Thornapple |
|
River Raisin Near Adrian, Mi
1 day ago · USGS 04176000 |
98 cfs | 3.67 ft | · | 59°F | 699 ft | Raisin |
|
Middle Branch Escanaba River Nr Princeton, Mi
1 day ago · USGS 04058100 |
94 cfs | 1.60 ft | · | 47°F | 1,114 ft | Escanaba |
|
Huron River Near Hamburg, Mi
1 day ago · USGS 04172000 |
82 cfs | 4.31 ft | · | 58°F | 852 ft | Huron |
|
Clam River At Vogel Center, Mi
1 day ago · USGS 04121300 |
82 cfs | 2.77 ft | · | 47°F | 1,134 ft | Muskegon |
|
River Rouge At Detroit, Mi
1 day ago · USGS 04166500 |
79 cfs | 5.65 ft | 70°F | 62°F | 591 ft | Detroit |
|
Pine River Near Midland, Mi
1 day ago · USGS 04155500 |
75 cfs | 2.58 ft | · | 53°F | 628 ft | Pine |
|
Flint River Near Otisville, Mi
1 day ago · USGS 04147500 |
73 cfs | 2.52 ft | · | 57°F | 728 ft | Flint |
|
Cass River At Frankenmuth, Mi
1 day ago · USGS 04151500 |
68 cfs | 3.58 ft | · | 54°F | 591 ft | Cass |
|
Looking Glass River Near Eagle, Mi
1 day ago · USGS 04114498 |
66 cfs | 2.75 ft | · | 56°F | 754 ft | Upper Grand |
|
Iron River At County Hwy-424 At Caspian, Mi
1 day ago · USGS 04060500 |
63 cfs | 4.08 ft | · | 43°F | 1,446 ft | Brule |
|
St. Joseph River At Burlington, Mi
1 day ago · USGS 04096405 |
62 cfs | 3.17 ft | · | 59°F | 906 ft | St. Joseph |
|
South Branch Tobacco River Near Beaverton, Mi
1 day ago · USGS 04152238 |
60 cfs | 4.34 ft | · | 50°F | 727 ft | Tittabawassee |
|
Ford River Near Hyde, Mi
1 day ago · USGS 04059500 |
59 cfs | 1.73 ft | 46°F | 46°F | 707 ft | Cedar-Ford |
|
Prairie River Near Nottawa, Mi
1 day ago · USGS 04097540 |
58 cfs | 3.27 ft | 36°F | 58°F | 872 ft | St. Joseph |
|
Grand River At Jackson, Mi
1 day ago · USGS 04109000 |
56 cfs | 8.85 ft | · | 56°F | 911 ft | Upper Grand |
|
Red Cedar River At East Lansing, Mi
1 day ago · USGS 04112500 |
50 cfs | 3.27 ft | · | 56°F | 829 ft | Upper Grand |
|
Portage Creek At Kalamazoo, Mi
1 day ago · USGS 04106500 |
48 cfs | 2.33 ft | · | 57°F | 766 ft | Kalamazoo |
|
Sturgeon River Near Alston, Mi
5 days ago · USGS 04041500 |
45 cfs | 3.17 ft | 55°F | 46°F | 735 ft | Sturgeon |
|
South Branch Black River Near Bangor, Mi
1 day ago · USGS 04102700 |
45 cfs | 2.73 ft | · | 60°F | 613 ft | Black-Macatawa |
|
West Branch Ontonagon River Near Bergland, Mi
1 day ago · USGS 04036000 |
42 cfs | 1.40 ft | · | 50°F | 1,304 ft | Ontonagon |
|
Galien River Near Sawyer, Mi
1 day ago · USGS 04096015 |
40 cfs | 6.30 ft | · | 58°F | 614 ft | Little Calumet-Galien |
|
Lower River Rouge At Dearborn, Mi
1 day ago · USGS 04168400 |
40 cfs | 3.23 ft | 69°F | 60°F | 582 ft | Detroit |
|
Middle Branch Escanaba River At Humboldt, Mi
1 day ago · USGS 04057800 |
39 cfs | 2.35 ft | 65°F | 45°F | 1,526 ft | Escanaba |
|
Battle Creek At Battle Creek, Mi
1 day ago · USGS 04105000 |
39 cfs | · | · | 60°F | 824 ft | Kalamazoo |
|
Middle River Rouge Near Garden City, Mi
1 day ago · USGS 04167000 |
34 cfs | 2.59 ft | · | 60°F | 609 ft | Detroit |
|
Sturgeon River Near Sidnaw, Mi
1 day ago · USGS 04040500 |
33 cfs | 3.55 ft | · | 44°F | 1,228 ft | Sturgeon |
|
Red Cedar River Near Williamston, Mi
1 day ago · USGS 04111379 |
32 cfs | 2.35 ft | · | 56°F | 865 ft | Upper Grand |
|
Clinton River At Auburn Hills, Mi
1 day ago · USGS 04161000 |
32 cfs | 1.01 ft | · | 58°F | 846 ft | Clinton |
|
Saline River Near Saline, Mi
1 day ago · USGS 04176400 |
30 cfs | 4.88 ft | · | 58°F | 711 ft | Raisin |
|
South Branch Flint River Near Columbiaville, Mi
1 day ago · USGS 04146063 |
28 cfs | 1.31 ft | · | 57°F | 768 ft | Flint |
|
River Rouge At Southfield, Mi
1 day ago · USGS 04166100 |
26 cfs | 3.96 ft | 69°F | 59°F | 618 ft | Detroit |
|
Mill Creek Near Dexter, Mi
1 day ago · USGS 04173500 |
26 cfs | 5.58 ft | · | 58°F | 856 ft | Huron |
|
Silver River Near L'Anse, Mi
1 day ago · USGS 04043150 |
25 cfs | 6.45 ft | · | 49°F | 625 ft | Dead-Kelsey |
|
Greenwood Release Near Greenwood, Mi
1 day ago · USGS 04057814 |
25 cfs | 2.43 ft | · | 46°F | 1,478 ft | Escanaba |
|
Augusta Creek Near Augusta, Mi
1 day ago · USGS 04105700 |
25 cfs | · | · | 59°F | 817 ft | Kalamazoo |
|
North Branch Clinton River Near Mt. Clemens, Mi
1 day ago · USGS 04164500 |
22 cfs | 4.34 ft | · | 58°F | 584 ft | Clinton |
|
Rabbit River Near Hopkins, Mi
1 day ago · USGS 04108600 |
19 cfs | 2.65 ft | · | 60°F | 717 ft | Kalamazoo |
|
Black River Near Jeddo, Mi
1 day ago · USGS 04159492 |
19 cfs | 3.03 ft | · | 60°F | 664 ft | St. Clair |
|
Greenwood Diversion Near Greenwood, Mi
1 day ago · USGS 04057813 |
18 cfs | 1.49 ft | · | 46°F | 1,439 ft | Escanaba |
|
Fish Creek Near Crystal, Mi
1 day ago · USGS 04115265 |
18 cfs | 2.19 ft | · | 58°F | 802 ft | Maple |
|
Black River Near Bessemer, Mi
1 day ago · USGS 04031000 |
17 cfs | 1.92 ft | · | 53°F | 1,186 ft | Black-Presque Isle |
|
Trap Rock River Near Lake Linden, Mi
2 days ago · USGS 04043050 |
16 cfs | 2.96 ft | · | 52°F | 633 ft | Keweenaw Peninsula |
|
Sycamore Creek At Holt Road Near Holt, Mi
1 day ago · USGS 04112850 |
15 cfs | 2.23 ft | · | 58°F | 856 ft | Upper Grand |
|
Maple River At Maple Rapids, Mi
1 day ago · USGS 04115000 |
14 cfs | 2.58 ft | · | 55°F | 646 ft | Maple |
|
Middle Branch Clinton River At Macomb, Mi
1 day ago · USGS 04164800 |
14 cfs | 6.11 ft | · | 56°F | 610 ft | Clinton |
|
Wanadoga Creek Near Battle Creek, Mi
1 day ago · USGS 04104945 |
13 cfs | 3.18 ft | · | 59°F | 833 ft | Kalamazoo |
|
Cisco Branch Ontonagon R At Cisco Lake Outlet, Mi
1 day ago · USGS 04037500 |
12 cfs | 4.28 ft | · | 50°F | 1,688 ft | Ontonagon |
|
South Branch Hog Creek Near Allen, Mi
1 day ago · USGS 04096515 |
12 cfs | 1.77 ft | · | 56°F | 1,013 ft | St. Joseph |
|
East Branch Pine River Near Tustin, Mi
1 day ago · USGS 04124500 |
11 cfs | 2.36 ft | · | 55°F | 1,149 ft | Manistee |
|
Belle River At Memphis, Mi
1 day ago · USGS 04160600 |
10 cfs | 1.06 ft | · | 59°F | 713 ft | St. Clair |
|
West Fork Portage Creek At Kalamazoo, Mi
1 day ago · USGS 04106400 |
9 cfs | 2.44 ft | · | 57°F | 883 ft | Kalamazoo |
|
Upper River Rouge At Farmington, Mi
1 day ago · USGS 04166300 |
9 cfs | 3.03 ft | · | 61°F | 692 ft | Detroit |
|
Kearsley Creek Near Davison, Mi
1 day ago · USGS 04148140 |
8 cfs | 3.06 ft | · | 58°F | 759 ft | Flint |
|
Mill Creek Near Avoca, Mi
1 day ago · USGS 04159900 |
8 cfs | · | · | 56°F | 714 ft | St. Clair |
|
Black River Near Garnet, Mi
1 day ago · USGS 04046000 |
7 cfs | 2.45 ft | · | 52°F | 655 ft | Brevoort-Millecoquins |
|
West Fork Portage Creek Near Oshtemo, Mi
1 day ago · USGS 04106320 |
7 cfs | 1.51 ft | · | 60°F | 875 ft | Kalamazoo |
|
Schweitzer Creek Near Palmer, Mi
1 day ago · USGS 04058200 |
6 cfs | 2.94 ft | · | 48°F | 1,277 ft | Escanaba |
|
East Pond Creek At Romeo, Mi
1 day ago · USGS 04164100 |
5 cfs | 1.07 ft | · | 59°F | 778 ft | Clinton |
|
Malletts Creek At Ann Arbor, Mi
1 day ago · USGS 04174518 |
4 cfs | 3.23 ft | · | 56°F | 749 ft | Huron |
|
Bear Creek Near Muskegon, Mi
1 day ago · USGS 04122100 |
4 cfs | 10.49 ft | · | 58°F | 609 ft | Muskegon |
|
Macatawa River At State Road Near Zeeland, Mi
1 day ago · USGS 04108800 |
4 cfs | 1.94 ft | · | 57°F | 598 ft | Black-Macatawa |
|
Plum Brook At Utica, Mi
1 day ago · USGS 04163400 |
4 cfs | 2.09 ft | · | 61°F | 633 ft | Clinton |
|
Farmers Creek Near Lapeer, Mi
1 day ago · USGS 04146000 |
3 cfs | 15.10 ft | · | 57°F | 827 ft | Flint |
|
Ecorse River At Dearborn Heights, Mi
1 day ago · USGS 04168580 |
2 cfs | 2.43 ft | · | 60°F | 611 ft | Detroit |
|
Sloan Creek Near Williamston, Mi
1 day ago · USGS 04112000 |
0 cfs | 1.38 ft | · | 56°F | 870 ft | Upper Grand |
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Flow report FAQ
About Michigan streamflow
What are river levels like in Michigan right now?
As of August 4, 2026, Michigan rivers are running at 104% of normal across 126 USGS streamgauges, and the St. Joseph River At Niles is reporting the highest discharge at 2,270 cfs. The full sortable gauge table is below.
Which Michigan river is running highest right now?
As of August 4, 2026, the highest discharge in Michigan is 2,270 cfs on the St. Joseph River At Niles. See the sortable gauge table for the full statewide ranking.
Are Michigan rivers high or low right now?
Compare the statewide percent-of-normal on this page: above 100% means Michigan 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 Michigan 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 Michigan 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 Michigan 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.
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