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36 rivers · Apr 21, 2026
Apr 21, 3:05 AM
56
Madison River
near West Yellowstone
422 cfs
54.9°F
56
Missouri River
at Toston
3,990 cfs
55.2°F
52
Marias River
near Chester
504 cfs
50.5°F
52
Clark Fork
at St. Regis
12,200 cfs
50.0°F
51
Jefferson River
near Three Forks
1,670 cfs
52.7°F
51
Green River
below Fontenelle Dam
824 cfs
—
51
Bitterroot River
near Missoula
3,470 cfs
—
51
Laramie River
near Laramie
10.5 cfs
—
51
Blackfoot River
near Bonner
3,570 cfs
49.6°F
51
Wind River
near Riverton
28.8 cfs
—
50
Rock Creek
near Clinton
1,040 cfs
46.8°F
50
North Fork Flathead River
near Columbia Falls
4,230 cfs
47.1°F
48
Snake River
at Jackson WY
2,420 cfs
—
48
Clearwater River
at Orofino
15,600 cfs
—
48
South Fork Snake River
below Palisades Dam
8,880 cfs
—
48
South Fork Boise River
near Featherville
2,260 cfs
—
48
Boise River
at Glenwood Bridge Boise
1,980 cfs
—
45
Yellowstone River
near Livingston
2,950 cfs
50.9°F
44
Silver Creek
near Picabo
112 cfs
—
44
Yellowstone River
at Corwin Springs
2,610 cfs
48.4°F
44
Clarks Fork Yellowstone
near Belfry MT
663 cfs
—
44
Big Wood River
near Hailey
521 cfs
—
44
Salmon River
at Salmon
2,130 cfs
—
44
Henry's Fork of the Snake River
at Ashton
900 cfs
—
44
Gros Ventre River
near Kelly WY
451 cfs
—
44
Big Hole River
near Melrose
1,250 cfs
49.6°F
44
Teton River
near Newdale
624 cfs
—
44
Beaverhead River
at Dillon
38.7 cfs
—
43
Flathead River
at Columbia Falls
16,300 cfs
43.7°F
41
Gallatin River
near Gallatin Gateway
618 cfs
45.9°F
40
Bighorn River
at bridge, at St. Xavier
1,840 cfs
43.2°F
34
Kootenai River
below Libby Dam near Libby
19,200 cfs
39.2°F
—
North Platte River
at Grey Reef
—
—
—
North Platte River
at Cortes WY
—
—
—
Bighorn River
at Thermopolis
—
—
—
Shoshone River
above Willwood Dam
—
—
Montana River Intel
Updated Apr 21, 3:05 AM MT