Flow report
Illinois streamflow
Live discharge, gauge height, water temperature, and percent-of-normal readings from every USGS streamgauge in Illinois. Built for paddlers, anglers, water managers, and flood researchers.
USGS gauges
162
State percent normal
90%
Paddle runs
0
Updated
May 30
Open the Illinois flow layer on the map
Every USGS streamgauge filtered to Illinois.
Open the map →
May
30
2026
Flow briefing
Streamflow levels across Illinois are currently 90% of normal, with the Mississippi River At Chester reporting the highest discharge in the state at 384,000 cfs and a gauge stage of 24.07 ft.
Meanwhile, the Illinois River At Marseilles is seeing a spike today — up 93% 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 Illinois's named rivers.
Illinois at a glance
State-wide streamflow overview
The Illinois 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
90%
100% is the historical norm. Below 70% indicates drought; above 130% can flag elevated flood risk.
Highest discharge
Mississippi River At Chester
384,000 cfs
Gauge stage 24.07 ft
Biggest 24h spike
Illinois River At Marseilles
+93%
Now 8,160 cfs
Network coverage
Gauges + rivers tracked
162 + 24
USGS gauges feeding 24 named rivers in Illinois.
Full streamgauge inventory
Illinois USGS streamgauges
Every USGS gauge Snoflo tracks in Illinois. 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 |
|---|---|---|---|---|---|---|
|
Vermilion River Near Danville, Il
7 days ago · USGS 03339000 |
467 cfs | 3.38 ft | 64°F | 67°F | 517 ft | Vermilion |
|
Boneyard Creek At Lincoln Ave At Urbana, Il
7 days ago · USGS 03337100 |
3 cfs | 7.53 ft | · | 68°F | 714 ft | Vermilion |
|
Boneyard Creek At Urbana, Il
7 days ago · USGS 03337000 |
3 cfs | 10.34 ft | · | 68°F | 717 ft | Vermilion |
|
Middle Fork Vermilion River Above Oakwood, Il
8 days ago · USGS 03336645 |
88 cfs | 1.21 ft | · | 67°F | 560 ft | Vermilion |
|
Salt Fork Near St. Joseph, Il
8 days ago · USGS 03336900 |
41 cfs | 3.39 ft | · | 68°F | 661 ft | Vermilion |
|
Embarras River At Lawrenceville, Il
8 days ago · USGS 03346500 |
11,400 cfs | 31.34 ft | 61°F | 68°F | 424 ft | Embarras |
|
Embarras River At Ste. Marie, Il
8 days ago · USGS 03345500 |
2,870 cfs | 7.82 ft | · | 67°F | 499 ft | Embarras |
|
North Fork Embarras River Near Oblong, Il
7 days ago · USGS 03346000 |
248 cfs | 5.60 ft | · | 67°F | 498 ft | Embarras |
|
Embarras River Near Camargo, Il
7 days ago · USGS 03343400 |
118 cfs | 4.63 ft | · | 67°F | 644 ft | Embarras |
|
Bonpas Creek At Browns, Il
8 days ago · USGS 03378000 |
358 cfs | 5.78 ft | · | 69°F | 451 ft | Lower Wabash |
|
Wabash River At Mt. Carmel, Il
7 days ago · USGS 03377500 |
66,300 cfs | 18.05 ft | · | 70°F | 391 ft | Lower Wabash |
|
Little Wabash River At Carmi, Il
8 days ago · USGS 03381500 |
6,560 cfs | 17.89 ft | · | 70°F | 419 ft | Little Wabash |
|
Little Wabash River Below Clay City, Il
8 days ago · USGS 03379500 |
14,900 cfs | 21.88 ft | · | 67°F | 477 ft | Little Wabash |
|
Little Wabash River Near Effingham, Il
7 days ago · USGS 03378635 |
134 cfs | 10.99 ft | · | 67°F | 542 ft | Little Wabash |
|
Skillet Fork At Wayne City, Il
7 days ago · USGS 03380500 |
5,150 cfs | 13.11 ft | · | 68°F | 387 ft | Skillet |
|
Lusk Creek Near Eddyville, Il
7 days ago · USGS 03384450 |
19 cfs | 2.88 ft | · | 59°F | 388 ft | Lower Ohio-Bay |
|
South Fork Saline River Nr Carrier Mills, Il
7 days ago · USGS 03382100 |
52 cfs | 2.90 ft | · | 70°F | 415 ft | Saline |
|
Cache River At Forman, Il
7 days ago · USGS 03612000 |
26 cfs | 9.70 ft | · | 59°F | 367 ft | Lower Ohio |
|
Apple River Near Hanover, Il
7 days ago · USGS 05419000 |
86 cfs | 4.14 ft | · | 69°F | 596 ft | Apple-Plum |
|
Sinsinawa River Near Menominee, Il
7 days ago · USGS 05414820 |
22 cfs | 4.64 ft | · | 68°F | 645 ft | Apple-Plum |
|
Henderson Creek Near Oquawka, Il
7 days ago · USGS 05469000 |
250 cfs | 14.70 ft | · | 70°F | 611 ft | Flint-Henderson |
|
Pope Creek Near Keithsburg, Il
7 days ago · USGS 05467000 |
86 cfs | 19.79 ft | · | 71°F | 550 ft | Flint-Henderson |
|
Edwards River Near New Boston, Il
7 days ago · USGS 05466500 |
203 cfs | 13.60 ft | · | 71°F | 561 ft | Flint-Henderson |
|
Edwards River Near Orion, Il
1 year ago · USGS 05466000 |
66 cfs | 1.53 ft | · | 43°F | 663 ft | Flint-Henderson |
|
Pecatonica River At Freeport, Il
7 days ago · USGS 05435500 |
999 cfs | 5.87 ft | · | 67°F | 754 ft | Pecatonica |
|
Pecatonica River Nr Shirland, Il
7 days ago · USGS 05437050 |
1,750 cfs | 6.29 ft | · | 66°F | 718 ft | Pecatonica |
|
Mill Creek At Milan, Il
7 days ago · USGS 05448000 |
29 cfs | 2.00 ft | · | 70°F | 574 ft | Lower Rock |
|
Rock River Near Joslin, Il
8 days ago · USGS 05446500 |
8,530 cfs | 7.49 ft | 34°F | 70°F | 588 ft | Lower Rock |
|
Rock River At Como, Il
7 days ago · USGS 05443500 |
7,790 cfs | 5.40 ft | · | 70°F | 618 ft | Lower Rock |
|
Elkhorn Creek Near Penrose, Il
8 days ago · USGS 05444000 |
71 cfs | 3.02 ft | · | 70°F | 669 ft | Lower Rock |
|
Rock River At Byron, Il
7 days ago · USGS 05440700 |
7,050 cfs | 7.48 ft | 65°F | 68°F | 677 ft | Lower Rock |
|
Rock River At Rockton, Il
7 days ago · USGS 05437500 |
6,130 cfs | 5.81 ft | · | 66°F | 712 ft | Lower Rock |
|
South Branch Kishwaukee River At Dekalb, Il
7 days ago · USGS 05439000 |
26 cfs | 3.20 ft | · | 68°F | 846 ft | Kishwaukee |
|
South Branch Kishwaukee River Nr Fairdale Il, Il
8 days ago · USGS 05439500 |
101 cfs | 2.38 ft | · | 67°F | 736 ft | Kishwaukee |
|
Kishwaukee River Near Perryville, Il
7 days ago · USGS 05440000 |
631 cfs | 6.13 ft | · | 67°F | 701 ft | Kishwaukee |
|
Kishwaukee River At Belvidere, Il
7 days ago · USGS 05438500 |
270 cfs | 1.76 ft | · | 66°F | 740 ft | Kishwaukee |
|
Green River Near Geneseo, Il
7 days ago · USGS 05447500 |
498 cfs | 3.59 ft | 58°F | 70°F | 586 ft | Green |
|
Bear Creek Near Marcelline, Il
7 days ago · USGS 05495500 |
108 cfs | 3.28 ft | · | 72°F | 523 ft | Bear-Wyaconda |
|
Bay Creek At Pittsfield, Il
1 year ago · USGS 05512500 |
43 cfs | 2.41 ft | · | 47°F | 655 ft | The Sny |
|
Kankakee River At Momence, Il
8 days ago · USGS 05520500 |
2,020 cfs | 2.19 ft | · | 71°F | 610 ft | Kankakee |
|
Kankakee River Near Wilmington, Il
8 days ago · USGS 05527500 |
2,980 cfs | 1.80 ft | 64°F | 71°F | 511 ft | Kankakee |
|
Sugar Creek At Milford, Il
7 days ago · USGS 05525500 |
62 cfs | 3.49 ft | · | 70°F | 644 ft | Iroquois |
|
Iroquois River At Iroquois, Il
7 days ago · USGS 05525000 |
237 cfs | 6.23 ft | · | 70°F | 638 ft | Iroquois |
|
Iroquois River Near Chebanse, Il
8 days ago · USGS 05526000 |
604 cfs | 3.77 ft | · | 71°F | 600 ft | Iroquois |
|
Deer Creek Near Chicago Heights, Il
7 days ago · USGS 05536235 |
6 cfs | 3.15 ft | · | 69°F | 628 ft | Chicago |
|
Thorn Creek At Glenwood, Il
7 days ago · USGS 05536215 |
21 cfs | 2.56 ft | · | 69°F | 628 ft | Chicago |
|
Butterfield Creek At Flossmoor, Il
7 days ago · USGS 05536255 |
4 cfs | 3.97 ft | · | 69°F | 635 ft | Chicago |
|
Thorn Creek At Thornton, Il
7 days ago · USGS 05536275 |
42 cfs | 2.81 ft | · | 68°F | 603 ft | Chicago |
|
Little Calumet River At South Holland, Il
8 days ago · USGS 05536290 |
54 cfs | 5.29 ft | · | 67°F | 596 ft | Chicago |
|
Midlothian Creek At Oak Forest, Il
7 days ago · USGS 05536340 |
1 cfs | 1.52 ft | · | 69°F | 629 ft | Chicago |
|
Tinley Creek Near Palos Park, Il
8 days ago · USGS 05536500 |
1 cfs | 2.49 ft | · | 69°F | 608 ft | Chicago |
|
Nb Chicago River At Albany Avenue At Chicago, Il
8 years ago · USGS 05536105 |
355 cfs | 2.97 ft | · | 46°F | 596 ft | Chicago |
|
North Branch Chicago River At Niles, Il
7 days ago · USGS 05536000 |
32 cfs | · | · | 63°F | 608 ft | Chicago |
|
Wf Of Nb Chicago River At Northbrook Il, Il
7 days ago · USGS 05535500 |
5 cfs | · | · | 61°F | 653 ft | Chicago |
|
North Branch Chicago River At Deerfield, Il
7 days ago · USGS 05534500 |
3 cfs | 4.21 ft | · | 60°F | 642 ft | Chicago |
|
Skokie River Near Highland Park, Il
7 days ago · USGS 05535070 |
1 cfs | 2.66 ft | · | 59°F | 632 ft | Chicago |
|
Skokie River At Lake Forest, Il
9 days ago · USGS 05535000 |
2 cfs | 1.92 ft | · | 45°F | 664 ft | Chicago |
|
Hickory Creek At Joliet, Il
7 days ago · USGS 05539000 |
51 cfs | 10.84 ft | · | 70°F | 535 ft | Des Plaines |
|
Du Page River At Shorewood, Il
8 days ago · USGS 05540500 |
299 cfs | 10.51 ft | · | 70°F | 566 ft | Des Plaines |
|
Long Run Near Lemont, Il
7 days ago · USGS 05537500 |
6 cfs | · | · | 69°F | 641 ft | Des Plaines |
|
Sawmill Creek Near Lemont, Il
7 days ago · USGS 05533400 |
1 cfs | 8.22 ft | · | 68°F | 647 ft | Des Plaines |
|
East Branch Du Page River At Bolingbrook, Il
7 days ago · USGS 05540250 |
81 cfs | 14.73 ft | · | 69°F | 640 ft | Des Plaines |
|
West Branch Du Page River Near Naperville, Il
7 days ago · USGS 05540130 |
47 cfs | 4.25 ft | · | 69°F | 637 ft | Des Plaines |
|
Spring Brook At 87th Street Near Naperville, Il
8 days ago · USGS 05540275 |
5 cfs | 2.73 ft | · | 69°F | 652 ft | Des Plaines |
|
Flag Creek Near Willow Springs, Il
7 days ago · USGS 05533000 |
12 cfs | 3.21 ft | · | 68°F | 610 ft | Des Plaines |
|
St. Joseph Creek At U.S. Route 34 At Lisle, Il
7 days ago · USGS 05540195 |
0 cfs | 3.99 ft | · | 68°F | 673 ft | Des Plaines |
|
West Br Du Page River Near Warrenville, Il
7 days ago · USGS 05540095 |
52 cfs | 7.63 ft | · | 68°F | 688 ft | Des Plaines |
|
Des Plaines River At Riverside, Il
8 days ago · USGS 05532500 |
286 cfs | 2.04 ft | · | 67°F | 598 ft | Des Plaines |
|
Salt Creek At Western Springs, Il
8 days ago · USGS 05531500 |
88 cfs | 1.66 ft | · | 68°F | 634 ft | Des Plaines |
|
E Br Du Page River Near Downers Grove, Il
7 days ago · USGS 05540160 |
21 cfs | 11.81 ft | · | 68°F | 675 ft | Des Plaines |
|
Spring Bk At Forest Preserve Nr Warrenville, Il
15 years ago · USGS 05540091 |
12 cfs | 7.56 ft | · | 58°F | 705 ft | Des Plaines |
|
Kress Creek At West Chicago, Il
7 days ago · USGS 05540060 |
4 cfs | 3.97 ft | · | 68°F | 706 ft | Des Plaines |
|
Addison Creek At Bellwood, Il
7 days ago · USGS 05532000 |
5 cfs | 1.29 ft | · | 67°F | 627 ft | Des Plaines |
|
Salt Creek At Elmhurst, Il
7 days ago · USGS 05531300 |
73 cfs | 5.08 ft | · | 68°F | 670 ft | Des Plaines |
|
W Branch Du Page River Nr West Chicago, Il
8 days ago · USGS 05539900 |
22 cfs | 3.75 ft | · | 67°F | 723 ft | Des Plaines |
|
Salt Creek Near Elk Grove Village, Il
10 years ago · USGS 05531044 |
645 cfs | 12.16 ft | · | 57°F | 684 ft | Des Plaines |
|
Weller Creek At Des Plaines, Il
7 days ago · USGS 05530000 |
1 cfs | · | · | 66°F | 648 ft | Des Plaines |
|
Salt Creek At Rolling Meadows, Il
8 days ago · USGS 05530990 |
9 cfs | 2.28 ft | · | 66°F | 694 ft | Des Plaines |
|
Des Plaines River Near Des Plaines, Il
8 days ago · USGS 05529000 |
283 cfs | 8.07 ft | · | 65°F | 625 ft | Des Plaines |
|
Mc Donald Creek Near Mount Prospect, Il
8 days ago · USGS 05529500 |
1 cfs | · | · | 65°F | 641 ft | Des Plaines |
|
Buffalo Creek Near Wheeling, Il
7 days ago · USGS 05528500 |
6 cfs | 1.36 ft | · | 64°F | 667 ft | Des Plaines |
|
Des Plaines River Near Gurnee, Il
7 days ago · USGS 05528000 |
86 cfs | 1.76 ft | · | 62°F | 664 ft | Des Plaines |
|
Mill Creek At Old Mill Creek, Il
7 days ago · USGS 05527950 |
12 cfs | 6.05 ft | · | 63°F | 677 ft | Des Plaines |
|
Des Plaines River At Russell, Il
7 days ago · USGS 05527800 |
20 cfs | 3.00 ft | · | 62°F | 667 ft | Des Plaines |
|
Mazon River Near Coal City, Il
8 days ago · USGS 05542000 |
148 cfs | 1.90 ft | · | 72°F | 529 ft | Upper Illinois |
|
Illinois River At Marseilles, Il
8 days ago · USGS 05543500 |
8,160 cfs | 12.39 ft | · | 71°F | 459 ft | Upper Illinois |
|
Poplar Creek At Elgin, Il
7 days ago · USGS 05550500 |
6 cfs | 1.12 ft | · | 67°F | 730 ft | Upper Fox |
|
Tyler Creek At Elgin, Il
8 days ago · USGS 05550300 |
14 cfs | 5.71 ft | · | 67°F | 751 ft | Upper Fox |
|
Fox River At Algonquin (Tailwater), Il
7 days ago · USGS 05550001 |
873 cfs | 5.70 ft | 64°F | 66°F | 727 ft | Upper Fox |
|
Fox River At Algonquin, Il
16 years ago · USGS 05550000 |
725 cfs | 1.94 ft | · | 37°F | 733 ft | Upper Fox |
|
Boone Creek Near Mc Henry, Il
8 days ago · USGS 05549000 |
5 cfs | · | · | 65°F | 779 ft | Upper Fox |
|
Nippersink Creek Above Wonder Lake, Il
8 days ago · USGS 05548105 |
21 cfs | 4.77 ft | · | 64°F | 806 ft | Upper Fox |
|
Nippersink Creek Near Spring Grove, Il
7 days ago · USGS 05548280 |
118 cfs | 4.36 ft | · | 64°F | 754 ft | Upper Fox |
|
Fox River At Dayton, Il
8 days ago · USGS 05552500 |
1,800 cfs | 6.45 ft | · | 71°F | 472 ft | Lower Fox |
|
Blackberry Creek Near Yorkville, Il
7 days ago · USGS 05551700 |
35 cfs | 3.36 ft | · | 69°F | 617 ft | Lower Fox |
|
Fox River At Montgomery, Il
7 days ago · USGS 05551540 |
1,370 cfs | 11.63 ft | · | 69°F | 613 ft | Lower Fox |
|
Blackberry Creek Near Montgomery, Il
7 days ago · USGS 05551675 |
28 cfs | 3.57 ft | · | 69°F | 661 ft | Lower Fox |
|
Mill Creek Near Batavia, Il
7 days ago · USGS 05551330 |
5 cfs | 2.20 ft | · | 68°F | 690 ft | Lower Fox |
|
Ferson Creek Near St. Charles, Il
7 days ago · USGS 05551200 |
22 cfs | 1.60 ft | · | 68°F | 709 ft | Lower Fox |
|
Fox River At South Elgin, Il
8 days ago · USGS 05551000 |
1,040 cfs | 12.61 ft | · | 67°F | 696 ft | Lower Fox |
|
Farm Creek At Farmdale, Il
7 days ago · USGS 05560500 |
8 cfs | 1.44 ft | · | 71°F | 541 ft | Lower Illinois-Senachwine Lake |
|
Fondulac Creek Near East Peoria, Il
8 days ago · USGS 05561500 |
0 cfs | 1.37 ft | · | 72°F | 521 ft | Lower Illinois-Senachwine Lake |
|
Illinois River At Henry, Il
8 days ago · USGS 05558300 |
7,000 cfs | 14.66 ft | 68°F | 71°F | 440 ft | Lower Illinois-Senachwine Lake |
|
East Bureau Creek Near Bureau, Il
11 years ago · USGS 05557500 |
2 cfs | 5.70 ft | · | 61°F | 491 ft | Lower Illinois-Senachwine Lake |
|
Big Bureau Creek At Princeton, Il
8 days ago · USGS 05556500 |
24 cfs | 2.68 ft | · | 70°F | 603 ft | Lower Illinois-Senachwine Lake |
|
Vermilion River At Pontiac, Il
8 days ago · USGS 05554500 |
135 cfs | 3.39 ft | 76°F | 72°F | 661 ft | Vermilion |
|
Vermilion River Near Leonore, Il
8 days ago · USGS 05555300 |
398 cfs | 4.33 ft | 76°F | 71°F | 535 ft | Vermilion |
|
Illinois River At Kingston Mines, Il
8 days ago · USGS 05568500 |
10,700 cfs | 5.82 ft | · | 71°F | 441 ft | Lower Illinois-Lake Chautauqua |
|
Mackinaw River Near Green Valley, Il
8 days ago · USGS 05568000 |
351 cfs | 14.15 ft | 75°F | 71°F | 501 ft | Mackinaw |
|
Mackinaw River Near Congerville, Il
8 days ago · USGS 05567500 |
222 cfs | 1.83 ft | 47°F | 71°F | 611 ft | Mackinaw |
|
Spoon River At Seville, Il
8 days ago · USGS 05570000 |
675 cfs | 6.92 ft | 53°F | 71°F | 498 ft | Spoon |
|
Spoon River At London Mills, Il
8 days ago · USGS 05569500 |
455 cfs | 3.48 ft | 71°F | 71°F | 557 ft | Spoon |
|
Indian Creek Near Wyoming, Il
7 days ago · USGS 05568800 |
14 cfs | 9.83 ft | · | 72°F | 623 ft | Spoon |
|
Sangamon River At Rt 48 At Decatur, Il
8 days ago · USGS 05573540 |
387 cfs | 4.27 ft | 75°F | 68°F | 618 ft | Upper Sangamon |
|
Sangamon River At Monticello, Il
7 days ago · USGS 05572000 |
165 cfs | 6.06 ft | 77°F | 68°F | 646 ft | Upper Sangamon |
|
Sangamon River At Fisher, Il
7 days ago · USGS 05570910 |
59 cfs | 5.42 ft | 82°F | 69°F | 693 ft | Upper Sangamon |
|
South Fork Sangamon River Nr Rochester, Il
8 days ago · USGS 05576000 |
1,380 cfs | 14.62 ft | 75°F | 68°F | 518 ft | South Fork Sangamon |
|
Spring Creek At Springfield, Il
8 days ago · USGS 05577500 |
111 cfs | 3.22 ft | · | 68°F | 529 ft | Lower Sangamon |
|
Sangamon River At Riverton, Il
8 days ago · USGS 05576500 |
2,780 cfs | 9.85 ft | · | 68°F | 519 ft | Lower Sangamon |
|
Sangamon River At Petersburg, Il
7 days ago · USGS 05578000 |
3,610 cfs | 9.49 ft | 79°F | 69°F | 489 ft | Lower Sangamon |
|
Sangamon River Near Oakford, Il
8 days ago · USGS 05583000 |
4,740 cfs | 7.64 ft | 81°F | 69°F | 457 ft | Lower Sangamon |
|
Lake Fork Near Cornland, Il
7 days ago · USGS 05579500 |
136 cfs | 5.04 ft | · | 69°F | 569 ft | Salt |
|
Salt Creek Near Rowell, Il
7 days ago · USGS 05578500 |
93 cfs | 10.35 ft | 77°F | 69°F | 634 ft | Salt |
|
Salt Creek Near Greenview, Il
8 days ago · USGS 05582000 |
874 cfs | 2.51 ft | 83°F | 69°F | 481 ft | Salt |
|
Kickapoo Creek At Waynesville, Il
7 days ago · USGS 05580000 |
101 cfs | 3.23 ft | · | 70°F | 635 ft | Salt |
|
Sugar Creek Near Bloomington, Il
7 days ago · USGS 05580950 |
21 cfs | · | · | 70°F | 749 ft | Salt |
|
La Moine River At Ripley, Il
8 days ago · USGS 05585000 |
723 cfs | 8.35 ft | · | 70°F | 467 ft | La Moine |
|
La Moine River At Colmar, Il
8 days ago · USGS 05584500 |
300 cfs | 5.78 ft | · | 69°F | 511 ft | La Moine |
|
Illinois River At Valley City, Il
7 days ago · USGS 05586100 |
22,800 cfs | 6.56 ft | · | 70°F | 433 ft | Lower Illinois |
|
Macoupin Creek Near Kane, Il
7 days ago · USGS 05587000 |
842 cfs | 8.24 ft | · | 68°F | 445 ft | Macoupin |
|
Judys Branch At Rte 157 At Glen Carbon, Il
14 years ago · USGS 05588720 |
0 cfs | 15.55 ft | · | 72°F | 448 ft | Cahokia-Joachim |
|
Cahokia Creek At Edwardsville, Il
7 days ago · USGS 05587900 |
180 cfs | 4.25 ft | · | 69°F | 456 ft | Cahokia-Joachim |
|
Indian Creek At Wanda, Il
7 days ago · USGS 05588000 |
29 cfs | 1.20 ft | · | 69°F | 447 ft | Cahokia-Joachim |
|
Mississippi River At Thebes, Il
7 days ago · USGS 07022000 |
368,000 cfs | 25.62 ft | · | 60°F | 321 ft | Upper Mississippi-Cape Girardeau |
|
Mississippi River At Chester, Il
7 days ago · USGS 07020500 |
384,000 cfs | 24.07 ft | · | 70°F | 358 ft | Upper Mississippi-Cape Girardeau |
|
Crab Orchard Creek Near Marion, Il
7 days ago · USGS 05597500 |
4 cfs | · | · | 70°F | 430 ft | Big Muddy |
|
Big Muddy River At Rte 127 At Murphysboro, Il
7 days ago · USGS 05599490 |
38 cfs | 10.52 ft | 73°F | 70°F | 357 ft | Big Muddy |
|
Big Muddy River At Plumfield, Il
7 days ago · USGS 05597000 |
259 cfs | 5.02 ft | · | 70°F | 379 ft | Big Muddy |
|
Rayse Creek Near Waltonville, Il
7 days ago · USGS 05595730 |
16 cfs | 2.07 ft | · | 69°F | 424 ft | Big Muddy |
|
Casey Fork At Mount Vernon, Il
7 days ago · USGS 05595820 |
26 cfs | 2.56 ft | · | 69°F | 441 ft | Big Muddy |
|
Kaskaskia River Near Cowden, Il
7 days ago · USGS 05592100 |
1,130 cfs | 6.79 ft | · | 66°F | 553 ft | Upper Kaskaskia |
|
Kaskaskia River At Shelbyville, Il
7 days ago · USGS 05592000 |
1,080 cfs | 9.64 ft | · | 66°F | 568 ft | Upper Kaskaskia |
|
Robinson Creek Near Shelbyville, Il
7 days ago · USGS 05592050 |
47 cfs | 2.63 ft | · | 66°F | 616 ft | Upper Kaskaskia |
|
Whitley Creek Near Allenville, Il
7 days ago · USGS 05591550 |
30 cfs | 3.45 ft | · | 66°F | 625 ft | Upper Kaskaskia |
|
Kaskaskia River At Cooks Mills, Il
7 days ago · USGS 05591200 |
487 cfs | 5.38 ft | · | 66°F | 641 ft | Upper Kaskaskia |
|
Kaskaskia River At Chesterville, Il
2 years ago · USGS 05590950 |
436 cfs | 34.15 ft | · | 58°F | 650 ft | Upper Kaskaskia |
|
West Okaw River Near Lovington, Il
7 days ago · USGS 05591700 |
126 cfs | 5.16 ft | · | 67°F | 639 ft | Upper Kaskaskia |
|
Lake Fork At Atwood, Il
7 days ago · USGS 05590800 |
172 cfs | 4.74 ft | · | 67°F | 661 ft | Upper Kaskaskia |
|
Little Crooked Creek Near New Minden, Il
7 days ago · USGS 05593575 |
8 cfs | 5.51 ft | · | 68°F | 485 ft | Middle Kaskaskia |
|
Kaskaskia River At Carlyle, Il
7 days ago · USGS 05593000 |
4,170 cfs | 16.61 ft | · | 68°F | 413 ft | Middle Kaskaskia |
|
East Fork Kaskaskia River Near Sandoval, Il
7 days ago · USGS 05592900 |
83 cfs | 4.59 ft | · | 68°F | 491 ft | Middle Kaskaskia |
|
Hurricane Creek Near Mulberry Grove, Il
7 days ago · USGS 05592800 |
67 cfs | 4.22 ft | · | 67°F | 551 ft | Middle Kaskaskia |
|
Hickory Creek Nr Brownstown, Il
7 days ago · USGS 05592575 |
22 cfs | 5.10 ft | · | 67°F | 507 ft | Middle Kaskaskia |
|
Kaskaskia River At Vandalia, Il
7 days ago · USGS 05592500 |
1,410 cfs | 7.89 ft | · | 67°F | 537 ft | Middle Kaskaskia |
|
Shoal Creek Near Breese, Il
7 days ago · USGS 05594000 |
1,490 cfs | 10.30 ft | · | 68°F | 456 ft | Shoal |
|
Shoal Creek Nr Pierron, Il
7 days ago · USGS 05593945 |
836 cfs | 48.53 ft | · | 68°F | 465 ft | Shoal |
|
East Fork Shoal Creek Near Coffeen, Il
7 days ago · USGS 05593900 |
25 cfs | 3.13 ft | · | 66°F | 590 ft | Shoal |
|
Richland Creek Near Hecker, Il
7 days ago · USGS 05595200 |
126 cfs | 29.26 ft | · | 69°F | 403 ft | Lower Kaskaskia |
|
Kaskaskia River At New Athens, Il
7 days ago · USGS 05595000 |
12,900 cfs | 73.23 ft | 73°F | 69°F | 403 ft | Lower Kaskaskia |
|
Silver Creek Near Freeburg, Il
7 days ago · USGS 05594800 |
1,780 cfs | 9.05 ft | · | 69°F | 418 ft | Lower Kaskaskia |
|
Kaskaskia River Near Venedy Station, Il
7 days ago · USGS 05594100 |
11,000 cfs | 19.71 ft | · | 68°F | 395 ft | Lower Kaskaskia |
|
Silver Creek Near Troy, Il
7 days ago · USGS 05594450 |
165 cfs | 6.63 ft | · | 69°F | 491 ft | Lower Kaskaskia |
By river
Explore Illinois's named rivers
Rivers across Illinois with USGS gauge coverage. Tap any one to see every gauge that reports on it -- great for paddlers, anglers, and watershed researchers narrowing in on a specific drainage.
Apple River
Cache River
Edwards River
Embarras River
Green River
Illinois River
Iroquois River
Kankakee River
Kaskaskia River
Kishwaukee River
Little Calumet River
Little Wabash River
Mackinaw River
Mazon River
Mississippi River
Pecatonica River
Rock River
Sangamon River
Sinsinawa River
Skokie River
Spoon River
Vermilion River
Wabash River
West Okaw River
Flow report FAQ
About Illinois streamflow
Where does the Illinois 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 Illinois 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 Illinois 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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