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Hydrograph River at a Glance Download
Chicago Sanitary and Ship Canal at Lockport Lock (tailwater) Tailwater (ft)Observed: 539.02 ft at 8:00AM Jun 24, 2022Observed: 539.03 ft at 8:30AM Jun 24, 2022Observed: 538.8 ft at 9:00AM Jun 24, 2022Observed: 538.65 ft at 9:30AM Jun 24, 2022Observed: 538.63 ft at 10:00AM Jun 24, 2022Observed: 538.47 ft at 10:30AM Jun 24, 2022Observed: 538.61 ft at 11:00AM Jun 24, 2022Observed: 538.72 ft at 11:30AM Jun 24, 2022Observed: 538.55 ft at 12:00PM Jun 24, 2022Observed: 538.67 ft at 12:30PM Jun 24, 2022Observed: 538.62 ft at 1:00PM Jun 24, 2022Observed: 538.77 ft at 1:30PM Jun 24, 2022Observed: 539.13 ft at 2:00PM Jun 24, 2022Observed: 538.79 ft at 2:30PM Jun 24, 2022Observed: 539.09 ft at 3:00PM Jun 24, 2022Observed: 538.94 ft at 3:30PM Jun 24, 2022Observed: 539.04 ft at 5:00PM Jun 24, 2022Observed: 539.05 ft at 5:30PM Jun 24, 2022Observed: 539.05 ft at 6:00PM Jun 24, 2022Observed: 539.05 ft at 6:30PM Jun 24, 2022Observed: 539.06 ft at 7:00PM Jun 24, 2022Observed: 539.06 ft at 7:30PM Jun 24, 2022Observed: 538.7 ft at 8:00PM Jun 24, 2022Observed: 539.05 ft at 8:30PM Jun 24, 2022Observed: 538.93 ft at 9:00PM Jun 24, 2022Observed: 538.98 ft at 9:30PM Jun 24, 2022Observed: 539.02 ft at 10:00PM Jun 24, 2022Observed: 538.71 ft at 10:30PM Jun 24, 2022Observed: 539.31 ft at 11:00PM Jun 24, 2022Observed: 539.01 ft at 11:30PM Jun 24, 2022Observed: 539.35 ft at 12:00AM Jun 25, 2022Observed: 539.01 ft at 12:30AM Jun 25, 2022Observed: 539.66 ft at 1:00AM Jun 25, 2022Observed: 539.12 ft at 1:30AM Jun 25, 2022Observed: 539.31 ft at 2:00AM Jun 25, 2022Observed: 539.12 ft at 2:30AM Jun 25, 2022Observed: 539.12 ft at 3:00AM Jun 25, 2022Observed: 539.32 ft at 3:30AM Jun 25, 2022Observed: 539.59 ft at 4:00AM Jun 25, 2022Observed: 539.29 ft at 4:30AM Jun 25, 2022Observed: 539.14 ft at 5:00AM Jun 25, 2022Observed: 539.06 ft at 5:30AM Jun 25, 2022Observed: 539.08 ft at 6:00AM Jun 25, 2022Observed: 538.83 ft at 6:30AM Jun 25, 2022Observed: 538.88 ft at 7:00AM Jun 25, 2022Observed: 539.07 ft at 7:30AM Jun 25, 2022Observed: 538.65 ft at 8:00AM Jun 25, 2022Observed: 538.85 ft at 8:30AM Jun 25, 2022Observed: 539.41 ft at 9:00AM Jun 25, 2022Observed: 538.68 ft at 9:30AM Jun 25, 2022Observed: 538.94 ft at 10:00AM Jun 25, 2022Observed: 538.78 ft at 10:30AM Jun 25, 2022Observed: 539.16 ft at 11:00AM Jun 25, 2022Observed: 538.65 ft at 11:30AM Jun 25, 2022Observed: 538.92 ft at 12:00PM Jun 25, 2022Observed: 538.86 ft at 12:30PM Jun 25, 2022Observed: 538.81 ft at 1:00PM Jun 25, 2022Observed: 538.85 ft at 1:30PM Jun 25, 2022Observed: 539.39 ft at 2:00PM Jun 25, 2022Observed: 538.82 ft at 2:30PM Jun 25, 2022Observed: 539.01 ft at 3:00PM Jun 25, 2022Observed: 538.83 ft at 3:30PM Jun 25, 2022Observed: 538.83 ft at 4:00PM Jun 25, 2022Observed: 538.81 ft at 4:30PM Jun 25, 2022Observed: 538.72 ft at 5:00PM Jun 25, 2022Observed: 539.23 ft at 5:30PM Jun 25, 2022Observed: 538.65 ft at 6:00PM Jun 25, 2022Observed: 539.07 ft at 6:30PM Jun 25, 2022Observed: 539 ft at 7:00PM Jun 25, 2022Observed: 539.06 ft at 7:30PM Jun 25, 2022Observed: 539.02 ft at 8:00PM Jun 25, 2022Observed: 538.87 ft at 8:30PM Jun 25, 2022Observed: 539.17 ft at 9:00PM Jun 25, 2022Observed: 539.27 ft at 9:30PM Jun 25, 2022Observed: 539.46 ft at 10:00PM Jun 25, 2022Observed: 538.95 ft at 10:30PM Jun 25, 2022Observed: 538.96 ft at 11:00PM Jun 25, 2022Observed: 539.12 ft at 11:30PM Jun 25, 2022Observed: 539.06 ft at 12:00AM Jun 26, 2022Observed: 539.01 ft at 12:30AM Jun 26, 2022Observed: 539.17 ft at 1:00AM Jun 26, 2022Observed: 539.22 ft at 1:30AM Jun 26, 2022Observed: 538.96 ft at 2:00AM Jun 26, 2022Observed: 539.01 ft at 2:30AM Jun 26, 2022Observed: 539.1 ft at 3:00AM Jun 26, 2022Observed: 539.01 ft at 3:30AM Jun 26, 2022Observed: 539.03 ft at 4:00AM Jun 26, 2022Observed: 539.01 ft at 4:30AM Jun 26, 2022Observed: 539.04 ft at 5:00AM Jun 26, 2022Observed: 539.04 ft at 5:30AM Jun 26, 2022Observed: 539.08 ft at 6:00AM Jun 26, 2022Observed: 538.96 ft at 6:30AM Jun 26, 2022Observed: 539.13 ft at 7:00AM Jun 26, 2022Observed: 539.05 ft at 7:30AM Jun 26, 2022Observed: 539.02 ft at 8:00AM Jun 26, 2022Observed: 538.88 ft at 8:30AM Jun 26, 2022Observed: 538.81 ft at 9:00AM Jun 26, 2022Observed: 538.88 ft at 9:30AM Jun 26, 2022Observed: 539.01 ft at 10:00AM Jun 26, 2022Observed: 538.78 ft at 10:30AM Jun 26, 2022Observed: 538.88 ft at 11:00AM Jun 26, 2022Observed: 538.65 ft at 11:30AM Jun 26, 2022Observed: 538.69 ft at 12:00PM Jun 26, 2022Observed: 538.77 ft at 12:30PM Jun 26, 2022Observed: 538.89 ft at 1:00PM Jun 26, 2022Observed: 538.74 ft at 1:30PM Jun 26, 2022Observed: 538.71 ft at 2:00PM Jun 26, 2022Observed: 538.77 ft at 2:30PM Jun 26, 2022Observed: 538.64 ft at 3:00PM Jun 26, 2022Observed: 538.75 ft at 3:30PM Jun 26, 2022Observed: 538.94 ft at 4:00PM Jun 26, 2022Observed: 538.8 ft at 4:30PM Jun 26, 2022Observed: 539.02 ft at 5:00PM Jun 26, 2022Observed: 538.84 ft at 5:30PM Jun 26, 2022Observed: 538.91 ft at 6:00PM Jun 26, 2022Observed: 538.99 ft at 6:30PM Jun 26, 2022Observed: 539.23 ft at 7:00PM Jun 26, 2022Observed: 539.21 ft at 7:30PM Jun 26, 2022Observed: 539.05 ft at 8:00PM Jun 26, 2022Observed: 539.2 ft at 8:30PM Jun 26, 2022Observed: 539.18 ft at 9:00PM Jun 26, 2022Observed: 539.09 ft at 9:30PM Jun 26, 2022Observed: 539.21 ft at 10:00PM Jun 26, 2022Observed: 539.16 ft at 10:30PM Jun 26, 2022Observed: 539.17 ft at 11:00PM Jun 26, 2022Observed: 539.38 ft at 11:30PM Jun 26, 2022Observed: 539.28 ft at 12:00AM Jun 27, 2022Observed: 539.4 ft at 12:30AM Jun 27, 2022Observed: 539.15 ft at 1:00AM Jun 27, 2022Observed: 538.97 ft at 1:30AM Jun 27, 2022Observed: 539.24 ft at 2:00AM Jun 27, 2022Observed: 539.2 ft at 2:30AM Jun 27, 2022Observed: 539.12 ft at 3:00AM Jun 27, 2022Observed: 539.17 ft at 3:30AM Jun 27, 2022Observed: 539.08 ft at 4:00AM Jun 27, 2022Observed: 539.18 ft at 4:30AM Jun 27, 2022Observed: 539.15 ft at 5:00AM Jun 27, 2022Observed: 539.1 ft at 5:30AM Jun 27, 2022Observed: 538.64 ft at 6:00AM Jun 27, 2022Observed: 539.34 ft at 6:30AM Jun 27, 2022Observed: 538.56 ft at 7:00AM Jun 27, 2022Observed: 538.93 ft at 7:30AM Jun 27, 2022Observed: 538.84 ft at 8:00AM Jun 27, 2022Observed: 538.88 ft at 8:30AM Jun 27, 2022Observed: 538.86 ft at 9:00AM Jun 27, 2022Observed: 539.35 ft at 9:30AM Jun 27, 2022Observed: 538.84 ft at 10:00AM Jun 27, 2022Observed: 539.01 ft at 10:30AM Jun 27, 2022Observed: 538.84 ft at 11:00AM Jun 27, 2022Observed: 538.79 ft at 11:30AM Jun 27, 2022Observed: 538.77 ft at 12:00PM Jun 27, 2022Observed: 538.72 ft at 12:30PM Jun 27, 2022Observed: 538.7 ft at 1:00PM Jun 27, 2022Observed: 538.71 ft at 1:30PM Jun 27, 2022Observed: 538.68 ft at 2:00PM Jun 27, 2022Observed: 538.83 ft at 2:30PM Jun 27, 2022Observed: 538.82 ft at 3:00PM Jun 27, 2022Observed: 538.68 ft at 3:30PM Jun 27, 2022Observed: 538.88 ft at 4:00PM Jun 27, 2022Observed: 538.9 ft at 4:30PM Jun 27, 2022Observed: 538.92 ft at 5:00PM Jun 27, 2022Observed: 538.94 ft at 5:30PM Jun 27, 2022Observed: 539.08 ft at 6:00PM Jun 27, 2022Observed: 539.14 ft at 6:30PM Jun 27, 2022Highest Observation: 539.79 ft at 7:30PM Jun 27, 2022Observed: 539.22 ft at 8:00PM Jun 27, 2022Observed: 539.13 ft at 8:30PM Jun 27, 2022Observed: 539.78 ft at 9:00PM Jun 27, 2022Observed: 538.92 ft at 9:30PM Jun 27, 2022Observed: 539.35 ft at 10:00PM Jun 27, 2022Observed: 539.12 ft at 10:30PM Jun 27, 2022Observed: 539.38 ft at 11:00PM Jun 27, 2022Observed: 539.28 ft at 11:30PM Jun 27, 2022Observed: 539.4 ft at 12:00AM Jun 28, 2022Observed: 539.32 ft at 12:30AM Jun 28, 2022Observed: 539.27 ft at 1:00AM Jun 28, 2022Observed: 539.19 ft at 1:30AM Jun 28, 2022Observed: 539.28 ft at 2:00AM Jun 28, 2022Observed: 539.36 ft at 2:30AM Jun 28, 2022Observed: 539.31 ft at 3:00AM Jun 28, 2022Observed: 539.21 ft at 3:30AM Jun 28, 2022Observed: 539.19 ft at 4:00AM Jun 28, 2022Observed: 539.16 ft at 4:30AM Jun 28, 2022Observed: 539.08 ft at 5:00AM Jun 28, 2022Observed: 539.08 ft at 5:30AM Jun 28, 2022Observed: 539.2 ft at 6:00AM Jun 28, 2022Observed: 539.01 ft at 6:30AM Jun 28, 2022Observed: 538.99 ft at 7:00AM Jun 28, 2022Observed: 538.93 ft at 7:30AM Jun 28, 2022Observed: 538.73 ft at 8:00AM Jun 28, 2022Observed: 538.53 ft at 8:30AM Jun 28, 2022Observed: 538.61 ft at 9:00AM Jun 28, 2022Observed: 538.36 ft at 9:30AM Jun 28, 2022Observed: 538.88 ft at 10:00AM Jun 28, 2022Observed: 538.72 ft at 10:30AM Jun 28, 2022Observed: 538.83 ft at 11:00AM Jun 28, 2022Observed: 538.89 ft at 11:30AM Jun 28, 2022Observed: 538.85 ft at 12:00PM Jun 28, 2022Observed: 539.07 ft at 12:30PM Jun 28, 2022Observed: 539.2 ft at 1:00PM Jun 28, 2022Observed: 538.76 ft at 1:30PM Jun 28, 2022Observed: 539.17 ft at 2:00PM Jun 28, 2022Observed: 539.01 ft at 2:30PM Jun 28, 2022Observed: 539.12 ft at 3:00PM Jun 28, 2022Observed: 538.84 ft at 3:30PM Jun 28, 2022Observed: 539.03 ft at 4:00PM Jun 28, 2022Observed: 538.79 ft at 4:30PM Jun 28, 2022Observed: 538.74 ft at 5:00PM Jun 28, 2022Observed: 538.75 ft at 5:30PM Jun 28, 2022Observed: 538.82 ft at 6:00PM Jun 28, 2022Observed: 538.86 ft at 6:30PM Jun 28, 2022Observed: 538.84 ft at 7:00PM Jun 28, 2022Observed: 539.52 ft at 7:30PM Jun 28, 2022Observed: 538.82 ft at 8:00PM Jun 28, 2022Observed: 539 ft at 8:30PM Jun 28, 2022Observed: 539.13 ft at 9:00PM Jun 28, 2022Observed: 538.8 ft at 9:30PM Jun 28, 2022Observed: 539.02 ft at 10:00PM Jun 28, 2022Observed: 538.8 ft at 10:30PM Jun 28, 2022Observed: 538.94 ft at 11:00PM Jun 28, 2022Observed: 539.43 ft at 11:30PM Jun 28, 2022Observed: 538.7 ft at 12:00AM Jun 29, 2022Observed: 539.14 ft at 12:30AM Jun 29, 2022Observed: 538.97 ft at 1:00AM Jun 29, 2022Observed: 538.94 ft at 1:30AM Jun 29, 2022Observed: 538.94 ft at 2:00AM Jun 29, 2022Observed: 539.19 ft at 2:30AM Jun 29, 2022Observed: 538.72 ft at 3:00AM Jun 29, 2022Observed: 538.99 ft at 3:30AM Jun 29, 2022Observed: 538.59 ft at 4:00AM Jun 29, 2022Observed: 538.81 ft at 4:30AM Jun 29, 2022Observed: 538.58 ft at 5:00AM Jun 29, 2022Observed: 538.6 ft at 5:30AM Jun 29, 2022Observed: 539.38 ft at 6:00AM Jun 29, 2022Observed: 538.98 ft at 7:30AM Jun 29, 2022Observed: 539.08 ft at 8:00AM Jun 29, 2022Observed: 539.13 ft at 8:30AM Jun 29, 2022Observed: 539.12 ft at 9:00AM Jun 29, 2022Observed: 538.87 ft at 9:30AM Jun 29, 2022Observed: 538.82 ft at 10:00AM Jun 29, 2022Observed: 538.7 ft at 10:30AM Jun 29, 2022Observed: 538.64 ft at 11:00AM Jun 29, 2022Observed: 538.62 ft at 11:30AM Jun 29, 2022Observed: 538.58 ft at 12:00PM Jun 29, 2022Observed: 538.8 ft at 12:30PM Jun 29, 2022Observed: 538.72 ft at 1:00PM Jun 29, 2022Observed: 538.73 ft at 1:30PM Jun 29, 2022Observed: 538.88 ft at 2:00PM Jun 29, 2022Observed: 538.98 ft at 2:30PM Jun 29, 2022Observed: 538.85 ft at 3:00PM Jun 29, 2022Observed: 538.79 ft at 3:30PM Jun 29, 2022Observed: 538.78 ft at 4:00PM Jun 29, 2022Observed: 538.91 ft at 4:30PM Jun 29, 2022Observed: 538.77 ft at 5:00PM Jun 29, 2022Observed: 538.8 ft at 5:30PM Jun 29, 2022Observed: 538.84 ft at 6:00PM Jun 29, 2022Observed: 538.84 ft at 6:30PM Jun 29, 2022Observed: 538.91 ft at 7:00PM Jun 29, 2022Observed: 538.93 ft at 7:30PM Jun 29, 2022Observed: 538.75 ft at 8:00PM Jun 29, 2022Observed: 538.99 ft at 8:30PM Jun 29, 2022Observed: 539.07 ft at 9:00PM Jun 29, 2022Observed: 538.9 ft at 9:30PM Jun 29, 2022Observed: 538.87 ft at 10:00PM Jun 29, 2022Observed: 539.3 ft at 10:30PM Jun 29, 2022Observed: 539.09 ft at 11:00PM Jun 29, 2022Observed: 539.18 ft at 11:30PM Jun 29, 2022Observed: 539.21 ft at 12:00AM Jun 30, 2022Observed: 539.18 ft at 12:30AM Jun 30, 2022Observed: 539.15 ft at 1:00AM Jun 30, 2022Observed: 539.09 ft at 1:30AM Jun 30, 2022Observed: 539.09 ft at 2:00AM Jun 30, 2022Observed: 539.04 ft at 2:30AM Jun 30, 2022Observed: 539.06 ft at 3:00AM Jun 30, 2022Observed: 539.04 ft at 3:30AM Jun 30, 2022Observed: 539.05 ft at 4:00AM Jun 30, 2022Observed: 539.21 ft at 4:30AM Jun 30, 2022Observed: 539.2 ft at 5:00AM Jun 30, 2022Observed: 538.91 ft at 5:30AM Jun 30, 2022Observed: 539.16 ft at 6:00AM Jun 30, 2022Observed: 538.97 ft at 6:30AM Jun 30, 2022Observed: 539.16 ft at 7:00AM Jun 30, 2022Observed: 538.91 ft at 7:30AM Jun 30, 2022Observed: 538.93 ft at 8:00AM Jun 30, 2022Observed: 539.05 ft at 8:30AM Jun 30, 2022Observed: 539.05 ft at 9:00AM Jun 30, 2022Observed: 539.08 ft at 9:30AM Jun 30, 2022Observed: 538.97 ft at 10:00AM Jun 30, 2022Observed: 538.89 ft at 10:30AM Jun 30, 2022Observed: 538.94 ft at 11:00AM Jun 30, 2022Observed: 539.02 ft at 11:30AM Jun 30, 2022Observed: 539 ft at 12:00PM Jun 30, 2022Observed: 539.04 ft at 12:30PM Jun 30, 2022Observed: 538.81 ft at 1:00PM Jun 30, 2022Observed: 538.89 ft at 1:30PM Jun 30, 2022Observed: 538.81 ft at 2:00PM Jun 30, 2022Observed: 538.8 ft at 2:30PM Jun 30, 2022Observed: 538.77 ft at 3:00PM Jun 30, 2022Observed: 538.76 ft at 3:30PM Jun 30, 2022Observed: 538.74 ft at 4:00PM Jun 30, 2022Observed: 538.72 ft at 4:30PM Jun 30, 2022Observed: 538.68 ft at 5:00PM Jun 30, 2022Observed: 538.89 ft at 5:30PM Jun 30, 2022Observed: 539.08 ft at 6:00PM Jun 30, 2022Observed: 539.33 ft at 6:30PM Jun 30, 2022Observed: 539.26 ft at 7:00PM Jun 30, 2022Observed: 539.27 ft at 7:30PM Jun 30, 2022Observed: 539.29 ft at 8:00PM Jun 30, 2022Observed: 538.98 ft at 8:30PM Jun 30, 2022Observed: 539.29 ft at 9:00PM Jun 30, 2022Observed: 539.26 ft at 9:30PM Jun 30, 2022Observed: 539.27 ft at 10:00PM Jun 30, 2022Observed: 539.28 ft at 10:30PM Jun 30, 2022Observed: 538.96 ft at 11:00PM Jun 30, 2022Observed: 539.64 ft at 11:30PM Jun 30, 2022Observed: 539.18 ft at 12:00AM Jul 01, 2022Observed: 539.45 ft at 12:30AM Jul 01, 2022Observed: 539.23 ft at 1:00AM Jul 01, 2022Observed: 538.97 ft at 1:30AM Jul 01, 2022Observed: 539.25 ft at 2:00AM Jul 01, 2022Observed: 539.02 ft at 2:30AM Jul 01, 2022Observed: 539.12 ft at 3:00AM Jul 01, 2022Observed: 539.06 ft at 3:30AM Jul 01, 2022Observed: 538.91 ft at 4:00AM Jul 01, 2022Observed: 539.15 ft at 4:30AM Jul 01, 2022Observed: 539.09 ft at 5:00AM Jul 01, 2022Observed: 539.01 ft at 5:30AM Jul 01, 2022Observed: 539.12 ft at 6:00AM Jul 01, 2022Observed: 538.97 ft at 6:30AM Jul 01, 2022Observed: 539.03 ft at 7:00AM Jul 01, 2022USGS--Water Resources of the United StatesLOKI2(plotting HTIRG) Graph Created (7:55AM Jul 1, 2022)ObservedLatest observed value: 539.03 ft at 7:00 AM CDT 1-Jul-2022. Flood Stage is 541 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Chicago Sanitary and Ship Canal at Lockport Lock (tailwater). During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 541
Action Stage: 540.5
Low Stage (in feet): 536.5

Historic Crests
(1) 546.59 ft on 12/04/1982
(2) 544.40 ft on 05/18/2020
(3) 543.74 ft on 09/14/2008
(4) 542.87 ft on 08/24/2007
(5) 542.86 ft on 05/02/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 544.40 ft on 05/18/2020
(2) 542.86 ft on 05/02/2019
(3) 542.09 ft on 02/22/2018
(4) 543.74 ft on 09/14/2008
(5) 542.87 ft on 08/24/2007
Show More Recent Crests

(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:15
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
10000 High streamflows begin to cause closures of portions of the Chicago Sanitary and Ship Canal.
7000 High streamflows begin to impact shipping interests along the river.
567 High water levels cause Lockport Lock to shut down.
546.6 High water levels begin to impact shipping interests along the river.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
536.5 Low water levels begin to impact shipping interests along the river.
About This Location Collapse

Latitude: 41.567215° N, Longitude: 88.077365° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 541 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  

Current/Historical Observations:

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Hydrologic Resources Additional Resources
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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
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Romeoville, IL 60446
(815) 834-1435
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Page last modified: 2-Nov-2020 7:29 PM
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