RIVER GAUGE · BIG MUDDY RIVER
Big Muddy River at Murphysboro
Jackson County, Illinois
Water level3.44 ft
Flow139 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action20 ft
Minor flood22 ft
Moderate flood28 ft
Major flood36 ft
The past week
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What floods at each level
- 36 ft
Damage begins to property near Shoemaker Drive in Murphysboro. Evacuations may be needed to parts of a mobile home park.
- 34 ft
Areas around S 3rd & 4th Streets begin to flood.
- 24 ft
Some minor flooding in S 3rd & Division / Plum Street area.
- 22 ft
Minor flooding occurs affecting mainly low lying areas.
- 20 ft
Some farmers may have to move livestock and equipment to higher ground.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 2, 2011 | 40.47 ft | 37,700 cfs |
| May 11, 1961 | 39.03 ft | -9,999 cfs |
| May 5, 2017 | 38.56 ft | 35,350 cfs |
More on Big Muddy River
UpstreamBig Muddy River at Plumfield
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