Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 

ALERT: December 5th update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. The outage map will be updated each Thursday. We apologize for the service interruption and hope to have the data restored as soon as possible.



Hydrograph River at a Glance Download
Little Sioux River near Montgomery Stage (ft)Highest Observation: 1387.21 ft at 6:00PM Dec 03, 2018Observed: 1387.19 ft at 7:00PM Dec 03, 2018Observed: 1387.18 ft at 8:00PM Dec 03, 2018Observed: 1387.16 ft at 9:00PM Dec 03, 2018Observed: 1387.15 ft at 10:00PM Dec 03, 2018Observed: 1387.14 ft at 11:00PM Dec 03, 2018Observed: 1387.14 ft at 12:00AM Dec 04, 2018Observed: 1387.13 ft at 1:00AM Dec 04, 2018Observed: 1387.13 ft at 2:00AM Dec 04, 2018Observed: 1387.13 ft at 3:00AM Dec 04, 2018Observed: 1387.13 ft at 4:00AM Dec 04, 2018Observed: 1387.12 ft at 5:00AM Dec 04, 2018Observed: 1387.12 ft at 6:00AM Dec 04, 2018Observed: 1387.12 ft at 7:00AM Dec 04, 2018Observed: 1387.1 ft at 8:00AM Dec 04, 2018Observed: 1387.1 ft at 9:00AM Dec 04, 2018Observed: 1387.09 ft at 10:00AM Dec 04, 2018Observed: 1387.08 ft at 11:00AM Dec 04, 2018Observed: 1387.08 ft at 12:00PM Dec 04, 2018Observed: 1387.07 ft at 1:00PM Dec 04, 2018Observed: 1387.08 ft at 2:00PM Dec 04, 2018Observed: 1387.09 ft at 3:00PM Dec 04, 2018Observed: 1387.09 ft at 4:00PM Dec 04, 2018Observed: 1387.09 ft at 5:00PM Dec 04, 2018Observed: 1387.09 ft at 6:00PM Dec 04, 2018Observed: 1387.09 ft at 7:00PM Dec 04, 2018Observed: 1387.09 ft at 8:00PM Dec 04, 2018Observed: 1387.08 ft at 9:00PM Dec 04, 2018Observed: 1387.07 ft at 10:00PM Dec 04, 2018Observed: 1387.03 ft at 11:00PM Dec 04, 2018Observed: 1387.06 ft at 12:00AM Dec 05, 2018Observed: 1387.06 ft at 1:00AM Dec 05, 2018Observed: 1387.05 ft at 2:00AM Dec 05, 2018Observed: 1387.06 ft at 3:00AM Dec 05, 2018Observed: 1387.05 ft at 4:00AM Dec 05, 2018Observed: 1387.02 ft at 5:00AM Dec 05, 2018Observed: 1387.02 ft at 6:00AM Dec 05, 2018Observed: 1386.97 ft at 7:00AM Dec 05, 2018Observed: 1386.96 ft at 8:00AM Dec 05, 2018Observed: 1386.92 ft at 9:00AM Dec 05, 2018Observed: 1386.9 ft at 10:00AM Dec 05, 2018Observed: 1386.88 ft at 11:00AM Dec 05, 2018Observed: 1386.85 ft at 12:00PM Dec 05, 2018Observed: 1386.82 ft at 1:00PM Dec 05, 2018Observed: 1386.79 ft at 2:00PM Dec 05, 2018Observed: 1386.78 ft at 3:00PM Dec 05, 2018Observed: 1386.82 ft at 4:00PM Dec 05, 2018Observed: 1386.88 ft at 5:00PM Dec 05, 2018Observed: 1386.93 ft at 6:00PM Dec 05, 2018Observed: 1386.95 ft at 7:00PM Dec 05, 2018Observed: 1387.05 ft at 8:00PM Dec 05, 2018Observed: 1387.06 ft at 9:00PM Dec 05, 2018Observed: 1387.07 ft at 10:00PM Dec 05, 2018Observed: 1387.07 ft at 11:00PM Dec 05, 2018Observed: 1387.09 ft at 12:00AM Dec 06, 2018Observed: 1387.1 ft at 1:00AM Dec 06, 2018Observed: 1387.14 ft at 2:00AM Dec 06, 2018Observed: 1387.14 ft at 3:00AM Dec 06, 2018Observed: 1387.17 ft at 4:00AM Dec 06, 2018Observed: 1387.18 ft at 5:00AM Dec 06, 2018Observed: 1387.19 ft at 6:00AM Dec 06, 2018Observed: 1387.19 ft at 7:00AM Dec 06, 2018Observed: 1387.15 ft at 8:00AM Dec 06, 2018Observed: 1387.07 ft at 9:00AM Dec 06, 2018Observed: 1387.03 ft at 10:00AM Dec 06, 2018Observed: 1386.95 ft at 11:00AM Dec 06, 2018Observed: 1386.89 ft at 12:00PM Dec 06, 2018Observed: 1386.84 ft at 1:00PM Dec 06, 2018Observed: 1386.84 ft at 2:00PM Dec 06, 2018Observed: 1386.82 ft at 3:00PM Dec 06, 2018Observed: 1386.84 ft at 4:00PM Dec 06, 2018Observed: 1386.91 ft at 5:00PM Dec 06, 2018Observed: 1386.99 ft at 6:00PM Dec 06, 2018Observed: 1387.06 ft at 7:00PM Dec 06, 2018Observed: 1387.08 ft at 8:00PM Dec 06, 2018Observed: 1387.1 ft at 9:00PM Dec 06, 2018Observed: 1387.12 ft at 10:00PM Dec 06, 2018Observed: 1387.13 ft at 11:00PM Dec 06, 2018Observed: 1387.15 ft at 12:00AM Dec 07, 2018Observed: 1387.14 ft at 1:00AM Dec 07, 2018Observed: 1387.14 ft at 2:00AM Dec 07, 2018Observed: 1387.15 ft at 3:00AM Dec 07, 2018Observed: 1387.14 ft at 4:00AM Dec 07, 2018Observed: 1387.13 ft at 5:00AM Dec 07, 2018Observed: 1387.13 ft at 6:00AM Dec 07, 2018Observed: 1387.13 ft at 7:00AM Dec 07, 2018Observed: 1387.12 ft at 8:00AM Dec 07, 2018Observed: 1387.11 ft at 9:00AM Dec 07, 2018Observed: 1387.11 ft at 10:00AM Dec 07, 2018Observed: 1387.11 ft at 11:00AM Dec 07, 2018Observed: 1387.08 ft at 12:00PM Dec 07, 2018Observed: 1387.06 ft at 1:00PM Dec 07, 2018Observed: 1387.08 ft at 2:00PM Dec 07, 2018Observed: 1387.08 ft at 3:00PM Dec 07, 2018Observed: 1387.08 ft at 4:00PM Dec 07, 2018Observed: 1387.07 ft at 5:00PM Dec 07, 2018Observed: 1387.08 ft at 6:00PM Dec 07, 2018Observed: 1387.08 ft at 7:00PM Dec 07, 2018Observed: 1387.06 ft at 8:00PM Dec 07, 2018Observed: 1387.05 ft at 9:00PM Dec 07, 2018Observed: 1387.01 ft at 10:00PM Dec 07, 2018Observed: 1387.01 ft at 11:00PM Dec 07, 2018Observed: 1387.01 ft at 12:00AM Dec 08, 2018Observed: 1387 ft at 1:00AM Dec 08, 2018Observed: 1387.04 ft at 2:00AM Dec 08, 2018Observed: 1387.07 ft at 3:00AM Dec 08, 2018Observed: 1387.04 ft at 4:00AM Dec 08, 2018Observed: 1387.05 ft at 5:00AM Dec 08, 2018Observed: 1387.04 ft at 6:00AM Dec 08, 2018Observed: 1387.04 ft at 7:00AM Dec 08, 2018Observed: 1387.05 ft at 8:00AM Dec 08, 2018Observed: 1387.04 ft at 9:00AM Dec 08, 2018Observed: 1387.03 ft at 10:00AM Dec 08, 2018Observed: 1387.02 ft at 11:00AM Dec 08, 2018Observed: 1387 ft at 12:00PM Dec 08, 2018Observed: 1386.91 ft at 1:00PM Dec 08, 2018Observed: 1386.93 ft at 2:00PM Dec 08, 2018Observed: 1386.94 ft at 3:00PM Dec 08, 2018Observed: 1386.96 ft at 4:00PM Dec 08, 2018Observed: 1387.01 ft at 5:00PM Dec 08, 2018Observed: 1387.02 ft at 6:00PM Dec 08, 2018Observed: 1387.06 ft at 7:00PM Dec 08, 2018Observed: 1387.07 ft at 8:00PM Dec 08, 2018Observed: 1387.08 ft at 9:00PM Dec 08, 2018Observed: 1387.08 ft at 10:00PM Dec 08, 2018Observed: 1387.07 ft at 11:00PM Dec 08, 2018Observed: 1387.07 ft at 12:00AM Dec 09, 2018Observed: 1387.08 ft at 1:00AM Dec 09, 2018Observed: 1387.1 ft at 2:00AM Dec 09, 2018Observed: 1387.12 ft at 3:00AM Dec 09, 2018Observed: 1387.11 ft at 4:00AM Dec 09, 2018Observed: 1387.12 ft at 5:00AM Dec 09, 2018Observed: 1387.09 ft at 6:00AM Dec 09, 2018Observed: 1387.11 ft at 7:00AM Dec 09, 2018Observed: 1387.11 ft at 8:00AM Dec 09, 2018Observed: 1387.05 ft at 9:00AM Dec 09, 2018Observed: 1387.02 ft at 10:00AM Dec 09, 2018Observed: 1386.96 ft at 11:00AM Dec 09, 2018Observed: 1386.93 ft at 12:00PM Dec 09, 2018Observed: 1386.89 ft at 1:00PM Dec 09, 2018Observed: 1386.9 ft at 2:00PM Dec 09, 2018Observed: 1386.96 ft at 3:00PM Dec 09, 2018Observed: 1387.01 ft at 4:00PM Dec 09, 2018Observed: 1387.02 ft at 5:00PM Dec 09, 2018Observed: 1387.02 ft at 6:00PM Dec 09, 2018Observed: 1387.03 ft at 7:00PM Dec 09, 2018Observed: 1387.02 ft at 8:00PM Dec 09, 2018Observed: 1387.02 ft at 9:00PM Dec 09, 2018Observed: 1387.02 ft at 10:00PM Dec 09, 2018Observed: 1387.01 ft at 11:00PM Dec 09, 2018Observed: 1387.03 ft at 12:00AM Dec 10, 2018Observed: 1387.03 ft at 1:00AM Dec 10, 2018Observed: 1387.04 ft at 2:00AM Dec 10, 2018Observed: 1387.04 ft at 3:00AM Dec 10, 2018Observed: 1387.03 ft at 4:00AM Dec 10, 2018Observed: 1387.03 ft at 5:00AM Dec 10, 2018Observed: 1387.03 ft at 6:00AM Dec 10, 2018Observed: 1387.03 ft at 7:00AM Dec 10, 2018Observed: 1387.04 ft at 8:00AM Dec 10, 2018Observed: 1387.04 ft at 9:00AM Dec 10, 2018Observed: 1387.03 ft at 10:00AM Dec 10, 2018Observed: 1386.97 ft at 11:00AM Dec 10, 2018Observed: 1386.92 ft at 12:00PM Dec 10, 2018Observed: 1386.93 ft at 1:00PM Dec 10, 2018Observed: 1386.96 ft at 2:00PM Dec 10, 2018Observed: 1386.99 ft at 3:00PM Dec 10, 2018Observed: 1386.95 ft at 4:00PM Dec 10, 2018Observed: 1387.02 ft at 5:00PM Dec 10, 2018Observed: 1387.04 ft at 6:00PM Dec 10, 2018Observed: 1387.06 ft at 7:00PM Dec 10, 2018Observed: 1387.04 ft at 8:00PM Dec 10, 2018Observed: 1387.05 ft at 9:00PM Dec 10, 2018Observed: 1387.05 ft at 10:00PM Dec 10, 2018Observed: 1387.05 ft at 11:00PM Dec 10, 2018Observed: 1387.04 ft at 12:00AM Dec 11, 2018Observed: 1387.04 ft at 1:00AM Dec 11, 2018Observed: 1387.03 ft at 2:00AM Dec 11, 2018Observed: 1387 ft at 3:00AM Dec 11, 2018Observed: 1386.99 ft at 4:00AM Dec 11, 2018Observed: 1386.99 ft at 5:00AM Dec 11, 2018Observed: 1387 ft at 6:00AM Dec 11, 2018Observed: 1387 ft at 7:00AM Dec 11, 2018Observed: 1387 ft at 8:00AM Dec 11, 2018Observed: 1387.01 ft at 9:00AM Dec 11, 2018Observed: 1386.89 ft at 10:00AM Dec 11, 2018Observed: 1386.86 ft at 11:00AM Dec 11, 2018Observed: 1386.83 ft at 12:00PM Dec 11, 2018Observed: 1386.85 ft at 1:00PM Dec 11, 2018Observed: 1386.91 ft at 2:00PM Dec 11, 2018Observed: 1386.95 ft at 3:00PM Dec 11, 2018Observed: 1386.97 ft at 4:00PM Dec 11, 2018Observed: 1386.97 ft at 5:00PM Dec 11, 2018Observed: 1386.98 ft at 6:00PM Dec 11, 2018Observed: 1386.99 ft at 7:00PM Dec 11, 2018Observed: 1387.01 ft at 8:00PM Dec 11, 2018Observed: 1387.01 ft at 9:00PM Dec 11, 2018Observed: 1386.97 ft at 10:00PM Dec 11, 2018Observed: 1386.99 ft at 11:00PM Dec 11, 2018Observed: 1387 ft at 12:00AM Dec 12, 2018Observed: 1387.04 ft at 1:00AM Dec 12, 2018Observed: 1387.03 ft at 2:00AM Dec 12, 2018Observed: 1387.04 ft at 3:00AM Dec 12, 2018Observed: 1387.04 ft at 4:00AM Dec 12, 2018Observed: 1387.04 ft at 5:00AM Dec 12, 2018Observed: 1387.05 ft at 6:00AM Dec 12, 2018Observed: 1386.99 ft at 7:00AM Dec 12, 2018Observed: 1387.02 ft at 8:00AM Dec 12, 2018Observed: 1387.03 ft at 9:00AM Dec 12, 2018Observed: 1387.02 ft at 10:00AM Dec 12, 2018Observed: 1387.01 ft at 11:00AM Dec 12, 2018Observed: 1387.01 ft at 12:00PM Dec 12, 2018Observed: 1387 ft at 1:00PM Dec 12, 2018Observed: 1387 ft at 2:00PM Dec 12, 2018Observed: 1387.01 ft at 3:00PM Dec 12, 2018Observed: 1387.01 ft at 4:00PM Dec 12, 2018Observed: 1387.03 ft at 5:00PM Dec 12, 2018Observed: 1387.03 ft at 6:00PM Dec 12, 2018Observed: 1387.02 ft at 7:00PM Dec 12, 2018Observed: 1387.03 ft at 8:00PM Dec 12, 2018Observed: 1387.03 ft at 9:00PM Dec 12, 2018Observed: 1387.03 ft at 10:00PM Dec 12, 2018Observed: 1387.03 ft at 11:00PM Dec 12, 2018Observed: 1387.03 ft at 12:00AM Dec 13, 2018Observed: 1387.04 ft at 1:00AM Dec 13, 2018Observed: 1387.03 ft at 2:00AM Dec 13, 2018Observed: 1387.03 ft at 3:00AM Dec 13, 2018Observed: 1387 ft at 4:00AM Dec 13, 2018Observed: 1387.02 ft at 5:00AM Dec 13, 2018Observed: 1387.04 ft at 6:00AM Dec 13, 2018Observed: 1387.04 ft at 7:00AM Dec 13, 2018Observed: 1387.04 ft at 8:00AM Dec 13, 2018Observed: 1387.04 ft at 9:00AM Dec 13, 2018Iowa Flood CenterMLSI4(plotting HGIRP) Graph Created (9:33AM Dec 13, 2018)ObservedLatest observed value: 1387.04 ft at 9:00 AM CST 13-Dec-2018. Flood Stage is 1391 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: Graphical forecasts are not available for the Little Sioux River near Montgomery. During times of high water, forecast crest information can be found in the text products.

Return to Area Map
Downstream Gauge Downstream Gauge - near Milford
Flood Categories (in feet)
Major Flood Stage: 1394.5
Moderate Flood Stage: 1393
Flood Stage: 1391
Action Stage: 1390
Low Stage (in feet): -9999

Historic Crests
(1) 1,390.13 ft on 04/15/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,390.13 ft on 04/15/2018

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
1397 The bridge on 140th Street west of Montgomery is overtopped.
1396.5 140th Street west of Montgomery begins to flood.
1395 190th Avenue south of the MN/IA State Line begins to flood, and the bridge on 170th Avenue north of Highway 9 is overtopped. Water also reaches the bottom of the bridge on 140th Street west of Montgomery.
1394.5 Highway 9 east of the Little Sioux River bridge is flooded in two lower spots.
1391.5 170th Avenue north of Highway 9 begins to flood.
1391 Crop and pasture land begin to flood.
Photos
(1) upstream view
(2) at gage
(3) downstream view
About This Location Collapse

Latitude: 43.459518° N, Longitude: 95.230817° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1391 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
Ask Questions/Webmaster
Page last modified: 21-Dec-2016 10:37 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities