Blue Flower

Flooding: Illinois

Current Hydrologic Alerts for Illinois provided by the National Weather Service - Advanced Hydrologic Prediction Service
Illinois - Current Hydrologic Observations - NWS AHPS

  1. Low Water (5 ft) - Alert - WYNI2 - Skillet Fork River at Wayne City (Illinois)

    Flood Categories

    Primary (ft)

    • Action : 13 ft
    • Minor : 15 ft
    • Moderate : 17 ft
    • Major : 20 ft

    Secondary (kcfs)

    • Action : Not Set
    • Minor : Not Set
    • Moderate : Not Set
    • Major : Not Set

    The forecast flood categories are the same as the observation flood categories.

    Gauge Data

    Observations

    Latest Observation Category: Low Water
    Latest Observation: 5 ft
    Latest Observation (Secondary): 0.0039 kcfs
    Observation Time: Jun 6, 2023 03:00 AM -0500

    Forecasts

    Forecast Issued: N/A

    The forecast data exceeds it's assigned PEDTS code duration.

    Recent

    Recent Projected Forecast Available: N/A
    Recent Projected Forecast Time: N/A

    Highest

    Highest Projected Forecast Available: N/A
    Highest Projected Forecast Time: N/A

    Last

    Last Projected Forecast Available: N/A
    Last Projected Forecast Time: N/A


    U.S. Geological Survey (USGS) Data and Site Info for Wayne City: USGS ID: 03380500

  2. Low Water (0.93 ft) - Alert - NBRI2 - West Fork North Branch Chicago River at Northbrook (Illinois)

    Flood Categories

    Primary (ft)

    • Action : 6 ft
    • Minor : 7 ft
    • Moderate : 8 ft
    • Major : 8.5 ft

    Secondary (kcfs)

    • Action : Not Set
    • Minor : Not Set
    • Moderate : Not Set
    • Major : Not Set

    The forecast flood categories are the same as the observation flood categories.

    Gauge Data

    Observations

    Latest Observation Category: Low Water
    Latest Observation: 0.93 ft
    Latest Observation (Secondary): 0.005 kcfs
    Observation Time: Jun 6, 2023 03:00 AM -0500

    Forecasts

    Forecast Issued: N/A

    There is currently no forecast data available.

    Recent

    Recent Projected Forecast Available: N/A
    Recent Projected Forecast Time: N/A

    Highest

    Highest Projected Forecast Available: N/A
    Highest Projected Forecast Time: N/A

    Last

    Last Projected Forecast Available: N/A
    Last Projected Forecast Time: N/A


    U.S. Geological Survey (USGS) Data and Site Info for Northbrook: USGS ID: 05535500

  3. Low Water (7.77 ft) - Alert - LMTI2 - Sawmill Creek (IL) near Lemont (Illinois)

    Flood Categories

    Primary (ft)

    • Action : 12.5 ft
    • Minor : 14 ft
    • Moderate : 16 ft
    • Major : 20 ft

    Secondary (kcfs)

    • Action : Not Set
    • Minor : Not Set
    • Moderate : Not Set
    • Major : Not Set

    The forecast flood categories are the same as the observation flood categories.

    Gauge Data

    Observations

    Latest Observation Category: Low Water
    Latest Observation: 7.77 ft
    Latest Observation (Secondary): 0 kcfs
    Observation Time: Jun 6, 2023 03:00 AM -0500

    Forecasts

    Forecast Issued: N/A

    There is currently no forecast data available.

    Recent

    Recent Projected Forecast Available: N/A
    Recent Projected Forecast Time: N/A

    Highest

    Highest Projected Forecast Available: N/A
    Highest Projected Forecast Time: N/A

    Last

    Last Projected Forecast Available: N/A
    Last Projected Forecast Time: N/A


    U.S. Geological Survey (USGS) Data and Site Info for Lemont: USGS ID: 05533400

  4. Low Water (3.75 ft) - Alert - LISI2 - St. Joseph Creek (IL) above Lisle (Illinois)

    Flood Categories

    Primary (ft)

    • Action : 10.5 ft
    • Minor : 11 ft
    • Moderate : 13 ft
    • Major : 14.5 ft

    Secondary (kcfs)

    • Action : Not Set
    • Minor : Not Set
    • Moderate : Not Set
    • Major : Not Set

    The forecast flood categories are the same as the observation flood categories.

    Gauge Data

    Observations

    Latest Observation Category: Low Water
    Latest Observation: 3.75 ft
    Latest Observation (Secondary): -999 kcfs
    Observation Time: Jun 6, 2023 02:35 AM -0500

    Forecasts

    Forecast Issued: N/A

    There is currently no forecast data available.

    Recent

    Recent Projected Forecast Available: N/A
    Recent Projected Forecast Time: N/A

    Highest

    Highest Projected Forecast Available: N/A
    Highest Projected Forecast Time: N/A

    Last

    Last Projected Forecast Available: N/A
    Last Projected Forecast Time: N/A


    U.S. Geological Survey (USGS) Data and Site Info for Lisle: USGS ID: 05540195

  5. Low Water (3.85 ft) - Alert - FLSI2 - Butterfield Creek at Flossmoor (Illinois)

    Flood Categories

    Primary (ft)

    • Action : 8 ft
    • Minor : 9 ft
    • Moderate : 11 ft
    • Major : 15 ft

    Secondary (kcfs)

    • Action : Not Set
    • Minor : Not Set
    • Moderate : Not Set
    • Major : Not Set

    The forecast flood categories are the same as the observation flood categories.

    Gauge Data

    Observations

    Latest Observation Category: Low Water
    Latest Observation: 3.85 ft
    Latest Observation (Secondary): 0 kcfs
    Observation Time: Jun 6, 2023 03:30 AM -0500

    Forecasts

    Forecast Issued: N/A

    There is currently no forecast data available.

    Recent

    Recent Projected Forecast Available: N/A
    Recent Projected Forecast Time: N/A

    Highest

    Highest Projected Forecast Available: N/A
    Highest Projected Forecast Time: N/A

    Last

    Last Projected Forecast Available: N/A
    Last Projected Forecast Time: N/A


    U.S. Geological Survey (USGS) Data and Site Info for Flossmoor: USGS ID: 05536255