Skip to content
NWS / NWPSSite ID: ALZM5active

NWS / NWPS ALZM5

South Fork Zumbro River near Oronoco

South Fork Zumbro River • Olmsted • MN

Latest public reading31.01 ftObserved Sep 3, 2026 at 7:15 AM CDT
TrendFallingNo forecast linked
Data freshnessAgingPast the publishing interval but inside three times it. Still shown, flagged.Observation 68 minutes old
Flood contextContext unavailableFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed

Stage and discharge chart includes 24 observed points.

Line chart: Observed0501001502002026-08-042026-08-122026-08-192026-08-272026-09-02
Data series

Flood-stage context

Source-published thresholds where available

Flood-stage context unavailable

Flood category levels are not published or not linked for this gauge.

Forecast

Linked NWS/NWPS values

Forecast unavailable

Forecasts are not available for this gauge in RiverStat.us launch sources.

Observations

flow

157 cfs

Observed Sep 1, 2026 at 7:00 PM CDT

flow

87.1 cfs

Observed Aug 31, 2026 at 7:00 PM CDT

flow

96 cfs

Observed Aug 30, 2026 at 7:00 PM CDT

flow

91.5 cfs

Observed Aug 28, 2026 at 7:00 PM CDT

flow

88.5 cfs

Observed Aug 27, 2026 at 7:00 PM CDT

flow

96 cfs

Observed Aug 26, 2026 at 7:00 PM CDT

flow

90 cfs

Observed Aug 25, 2026 at 7:00 PM CDT

flow

104 cfs

Observed Aug 23, 2026 at 7:00 PM CDT

flow

91.5 cfs

Observed Aug 22, 2026 at 7:00 PM CDT

flow

97.6 cfs

Observed Aug 21, 2026 at 7:00 PM CDT

flow

102 cfs

Observed Aug 20, 2026 at 7:00 PM CDT

flow

110 cfs

Observed Aug 18, 2026 at 7:00 PM CDT

flow

181 cfs

Observed Aug 17, 2026 at 7:00 PM CDT

flow

110 cfs

Observed Aug 16, 2026 at 7:00 PM CDT

flow

109 cfs

Observed Aug 15, 2026 at 7:00 PM CDT

flow

112 cfs

Observed Aug 13, 2026 at 7:00 PM CDT

flow

124 cfs

Observed Aug 12, 2026 at 7:00 PM CDT

flow

115 cfs

Observed Aug 11, 2026 at 7:00 PM CDT

flow

130 cfs

Observed Aug 10, 2026 at 7:00 PM CDT

flow

128 cfs

Observed Aug 8, 2026 at 7:00 PM CDT

flow

132 cfs

Observed Aug 7, 2026 at 7:00 PM CDT

flow

138 cfs

Observed Aug 6, 2026 at 7:00 PM CDT

flow

149 cfs

Observed Aug 5, 2026 at 7:00 PM CDT

flow

187 cfs

Observed Aug 3, 2026 at 7:00 PM CDT

Alerts

Alerts unavailable

Alerts are shown only when the API returns a source-backed match.

Official public sources

Readings and thresholds stay tied to USGS, NOAA/NWS, or source-backed records.

Source freshness

Observed and fetched timestamps are shown separately when the API returns them.

Transparent methodology

Unavailable forecasts, alerts, and thresholds are shown as unavailable states.