St Joe River at Calder water level

Name: St Joe River at Calder water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, St Joe River, Idaho, United States

Directions

Below flood stage

Water level

5.15ft Steady over the last 24 hours

Measured Oct 19, 2026, 07:30 AM PDT (12 min ago)

Flow: 341 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 5.14 ft by Wednesday, October 21 at 11:00 PM. Issued Sunday, October 18 at 09:44 AM by NOAA National Weather Service.

What this means

The St Joe River at Calder is at 5.15 ft, in the normal range.

It is 7.85 ft below the flood stage of 13.00 ft.

The level has held steady over the past 24 hours. The forecast expects the river to fall to 5.14 ft by Wednesday, October 21 at 11:00 PM. In the last month it has stayed between 5.15 ft and 5.18 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 18.20 ftApril 18, 1938
Forecast peak: 5.15 ftMonday, October 19 at 05:00 AM

Floating and fishing near St Joe River at Calder

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 13.00 ft, 7.85 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

13.00 ft: Bear Creek will begin to back up from the St Joe River and may start to spill into the town of Calder, flooding the low spots in yards, roads and parking lots.
11.00 ft: Flooding in riverside RV areas near Meadow and Oxbow Lanes downstream of Calder to the Cutthroat Resort.
10.00 ft: Water may cover the low spots on Calder Road between the St Joe River Road and the Calder Bridge.
5.15 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	18.20 ft	April 18, 1938
2	17.50 ft	December 23, 1933
3	17.04 ft	February 10, 2017
4	16.04 ft	December 2, 1975
5	15.87 ft	January 16, 1974
6	15.40 ft	January 15, 1984
7	15.22 ft	February 9, 1996
8	15.21 ft	January 6, 1969
9	15.20 ft	February 4, 1925
10	15.04 ft	December 23, 1964

Weather at the gauge

No rain in the last 3 days.

17 Sat 68° 46° – Wind 12 mph

18 Sun 65° 42° – Wind 5 mph

19 Mon 69° 47° – Wind 6 mph

20 Tue 68° 45° – Wind 4 mph

21 Wed 72° 45° 0.02 in Wind 6 mph

22 Thu 65° 44° 0.00 in, 27% Wind 6 mph

23 Fri 64° 41° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:09 AM Sunset 05:51 PM Daylight 10 hr, 42 min First quarter 60%

Map

Other gauges on the St Joe River

Gauge	Level	Compared with normal	24 hours	Distance
St Joe River at Red Ives Ranger StationRiver gauge, St Joe River	47.0 cfs	Very low	±0	42 mi
St Joe River at Ramsdell near St MariesRiver gauge, St Joe River	388 cfs	Low	−5.0 cfs	23 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
St Maries River near SantaRiver gauge, St Maries River	40.3 cfs	Very low	±0	16 mi
Sf Coeur D Alene at Elizabeth Park near KelloggRiver gauge, Sf Coeur D Alene	63.2 cfs	Low	±0	18 mi
Sf Coeur D Alene River above Placer Creek at WallaceRiver gauge, Sf Coeur D Alene River	32.1 cfs	Low	−0.8 cfs	18 mi
Ninemile Creek above Mouth at WallaceRiver gauge, Ninemile Creek	2.9 cfs	Normal	±0	19 mi
Canyon Creek above Mouth at WallaceRiver gauge, Canyon Creek	10.0 cfs	Very low	±0	19 mi
Sf Coeur D Alene River above Pine Creek near PinehurstRiver gauge, Sf Coeur D Alene River	81.6 cfs	Normal	±0	19 mi
SF Coeur D Alene River near PinehurstRiver gauge, SF Coeur D Alene River	5.54 ft	Very low	±0	19 mi
Coeur D Alene River near CataldoRiver gauge, Coeur D Alene River	32.52 ft	Below flood stage	−0.01 ft	20 mi

Questions and answers

What is flood stage for the St Joe River at Calder?

The official flood stage is 13.00 ft. The level is currently 7.85 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of St Joe River at Calder today?

On Oct 19, 2026, 07:30 AM PDT, the water level was 5.15 ft. Steady over the last 24 hours.

Is St Joe River at Calder rising or falling?

Steady over the last 24 hours.

Is the level of St Joe River at Calder normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at St Joe River at Calder?

The highest level on record is 18.20 ft on April 18, 1938.

Is St Joe River at Calder expected to rise?

The forecast expects the river to fall to 5.14 ft by Wednesday, October 21 at 11:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:12414500 (Agency page)
Coordinates: 47.27444, -116.18889 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	5.15 ft	2026-10-19 14:30	Provisional
Flow	341 cfs	2026-10-19 14:30	Provisional

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How to cite

U.S. Geological Survey: St Joe River at Calder (usgs:12414500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/st-joe-river-at-calder

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer