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ID9 associated gaugesSource-backed records

Big Lost River

Linked station records, forecasts, and alerts stay source-specific so the river page can show context without flattening it into a single safety score.

This page does not create a single river-wide condition or safety rating.

Associated gauges9Station-level records
Gauges with readings9Observation-capable records
Forecast availability11 linked forecast gauge
Last source updateAvailableSep 1, 2026 at 11:45 PM CDT

Current gauges on Big Lost River

Station readings stay source-specific and compact for scanning.

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StaleBeyond three times the publishing interval. Value shown with its age, never hidden.
Forecast

Latest public reading

498 cfs

Observed May 14, 2026 at 1:45 AM CDT

Observation 161163 minutes old

NWS / NWPS LESI1

Big Lost River at Leslie

ID

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

381 cfs

Observed May 14, 2026 at 2:45 AM CDT

Observation 161103 minutes old

NWS / NWPS ARCI1

Big Lost River near Arco

ID

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

2 ft

Observed Sep 1, 2026 at 2:00 AM CDT

Observation 2748 minutes old

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

5.08 ft

Observed Sep 1, 2026 at 12:45 AM CDT

Observation 2823 minutes old

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

41.29 ft

Observed Sep 1, 2026 at 11:45 PM CDT

Observation 1443 minutes old

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

3.67 ft

Observed Aug 31, 2026 at 10:30 PM CDT

Observation 2958 minutes old

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

12.72 ft

Observed Jul 9, 2026 at 8:30 AM CDT

Observation 80118 minutes old

Recent hydrograph

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Hydrograph unavailable

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Station-level detail

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Persisted source data

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Station-level detail

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Official source context

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