National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 | 

CAJON CREEK - KEENBROOK (CJKC1)
Latitude: 34.27º NLongitude: 117.47º WElevation: 2600 FeetForecast Type: Unofficial Location
Location: San Bernardino County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Issuance Time: May 18 2026 at 7:29 AM PDTNext Issuance: May 19 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Cajon Creek - Keenbrook (CJKC1)
#
# File Generation Time:  05/18/2026 at 07:30 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/17/2026 at 10:00 AM PDT
# Maximum Observed Stage:                       4.40 Feet
# Maximum Observed Flow:                        12 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/18/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       4.39 Feet
# Maximum Forecast Flow:                        11 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/13/2026 07 AM PDT            4.12              0                Not Applicable
  05/13/2026 08 AM PDT            4.12              0         0      Not Applicable
  05/13/2026 09 AM PDT            4.17              1         +      Not Applicable
  05/13/2026 10 AM PDT            4.20              1         +      Not Applicable
  05/13/2026 11 AM PDT            4.20              1         0      Not Applicable
  05/13/2026 12 PM PDT            4.29              4         +      Not Applicable
  05/13/2026 01 PM PDT            4.29              4         0      Not Applicable
  05/13/2026 02 PM PDT            4.29              4         0      Not Applicable
  05/13/2026 03 PM PDT            4.28              4         -      Not Applicable
  05/13/2026 04 PM PDT            4.27              3         -      Not Applicable
  05/13/2026 05 PM PDT            4.27              3         0      Not Applicable
  05/13/2026 06 PM PDT            4.27              3         0      Not Applicable
  05/13/2026 07 PM PDT            4.27              3         0      Not Applicable
  05/13/2026 08 PM PDT            4.28              4         +      Not Applicable
  05/13/2026 09 PM PDT            4.28              4         0      Not Applicable
  05/13/2026 10 PM PDT            4.29              4         +      Not Applicable
  05/13/2026 11 PM PDT            4.29              4         0      Not Applicable
  05/14/2026 12 AM PDT            4.30              5         +      Not Applicable
  05/14/2026 01 AM PDT            4.30              5         0      Not Applicable
  05/14/2026 02 AM PDT            4.30              5         0      Not Applicable
  05/14/2026 03 AM PDT            4.30              5         0      Not Applicable
  05/14/2026 04 AM PDT            4.31              5         +      Not Applicable
  05/14/2026 05 AM PDT            4.31              5         0      Not Applicable
  05/14/2026 06 AM PDT            4.36              9         +      Not Applicable
  05/14/2026 07 AM PDT            4.35              8         -      Not Applicable
  05/14/2026 08 AM PDT            4.36              9         +      Not Applicable
  05/14/2026 09 AM PDT            4.36              9         0      Not Applicable
  05/14/2026 10 AM PDT            4.36              9         0      Not Applicable
  05/14/2026 11 AM PDT            4.35              8         -      Not Applicable
  05/14/2026 12 PM PDT            4.34              7         -      Not Applicable
  05/14/2026 01 PM PDT            4.34              7         0      Not Applicable
  05/14/2026 02 PM PDT            4.33              7         -      Not Applicable
  05/14/2026 03 PM PDT            4.33              7         0      Not Applicable
  05/14/2026 04 PM PDT            4.32              6         -      Not Applicable
  05/14/2026 05 PM PDT            4.32              6         0      Not Applicable
  05/14/2026 06 PM PDT            4.32              6         0      Not Applicable
  05/14/2026 07 PM PDT            4.33              7         +      Not Applicable
  05/14/2026 08 PM PDT            4.33              7         0      Not Applicable
  05/14/2026 09 PM PDT            4.33              7         0      Not Applicable
  05/14/2026 10 PM PDT            4.34              7         +      Not Applicable
  05/14/2026 11 PM PDT            4.34              7         0      Not Applicable
  05/15/2026 12 AM PDT            4.34              7         0      Not Applicable
  05/15/2026 01 AM PDT            4.35              8         +      Not Applicable
  05/15/2026 02 AM PDT            4.35              8         0      Not Applicable
  05/15/2026 03 AM PDT            4.36              9         +      Not Applicable
  05/15/2026 04 AM PDT            4.36              9         0      Not Applicable
  05/15/2026 05 AM PDT            4.36              9         0      Not Applicable
  05/15/2026 06 AM PDT            4.36              9         0      Not Applicable
  05/15/2026 07 AM PDT            4.37              9         +      Not Applicable
  05/15/2026 08 AM PDT            4.37              9         0      Not Applicable
  05/15/2026 09 AM PDT            4.37              9         0      Not Applicable
  05/15/2026 10 AM PDT            4.37              9         0      Not Applicable
  05/15/2026 11 AM PDT            4.37              9         0      Not Applicable
  05/15/2026 12 PM PDT            4.37              9         0      Not Applicable
  05/15/2026 01 PM PDT            4.37              9         0      Not Applicable
  05/15/2026 02 PM PDT            4.36              9         -      Not Applicable
  05/15/2026 03 PM PDT            4.36              9         0      Not Applicable
  05/15/2026 04 PM PDT            4.36              9         0      Not Applicable
  05/15/2026 05 PM PDT            4.35              8         -      Not Applicable
  05/15/2026 06 PM PDT            4.35              8         0      Not Applicable
  05/15/2026 07 PM PDT            4.35              8         0      Not Applicable
  05/15/2026 08 PM PDT            4.35              8         0      Not Applicable
  05/15/2026 09 PM PDT            4.36              9         +      Not Applicable
  05/15/2026 10 PM PDT            4.36              9         0      Not Applicable
  05/15/2026 11 PM PDT            4.37              9         +      Not Applicable
  05/16/2026 12 AM PDT            4.37              9         0      Not Applicable
  05/16/2026 01 AM PDT            4.37              9         0      Not Applicable
  05/16/2026 02 AM PDT            4.37              9         0      Not Applicable
  05/16/2026 03 AM PDT            4.37              9         0      Not Applicable
  05/16/2026 04 AM PDT            4.38             10         +      Not Applicable
  05/16/2026 05 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 06 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 07 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 08 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 09 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 10 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 11 AM PDT            4.38             10         0      Not Applicable
  05/16/2026 12 PM PDT            4.38             10         0      Not Applicable
  05/16/2026 01 PM PDT            4.37              9         -      Not Applicable
  05/16/2026 02 PM PDT            4.37              9         0      Not Applicable
  05/16/2026 03 PM PDT            4.36              9         -      Not Applicable
  05/16/2026 04 PM PDT            4.36              9         0      Not Applicable
  05/16/2026 05 PM PDT            4.35              8         -      Not Applicable
  05/16/2026 06 PM PDT            4.35              8         0      Not Applicable
  05/16/2026 07 PM PDT            4.36              9         +      Not Applicable
  05/16/2026 08 PM PDT            4.36              9         0      Not Applicable
  05/16/2026 09 PM PDT            4.37              9         +      Not Applicable
  05/16/2026 10 PM PDT            4.37              9         0      Not Applicable
  05/16/2026 11 PM PDT            4.37              9         0      Not Applicable
  05/17/2026 12 AM PDT            4.38             10         +      Not Applicable
  05/17/2026 01 AM PDT            4.38             10         0      Not Applicable
  05/17/2026 02 AM PDT            4.38             10         0      Not Applicable
  05/17/2026 03 AM PDT            4.39             11         +      Not Applicable
  05/17/2026 04 AM PDT            4.38             10         -      Not Applicable
  05/17/2026 05 AM PDT            4.39             11         +      Not Applicable
  05/17/2026 06 AM PDT            4.39             11         0      Not Applicable
  05/17/2026 07 AM PDT            4.39             11         0      Not Applicable
  05/17/2026 08 AM PDT            4.39             11         0      Not Applicable
  05/17/2026 09 AM PDT            4.39             11         0      Not Applicable
  05/17/2026 10 AM PDT            4.40             12         +      Not Applicable
  05/17/2026 11 AM PDT            4.39             11         -      Not Applicable
  05/17/2026 12 PM PDT            4.38             10         -      Not Applicable
  05/17/2026 01 PM PDT            4.38             10         0      Not Applicable
  05/17/2026 02 PM PDT            4.38             10         0      Not Applicable
  05/17/2026 03 PM PDT            4.37              9         -      Not Applicable
  05/17/2026 04 PM PDT            4.37              9         0      Not Applicable
  05/17/2026 05 PM PDT            4.38             10         +      Not Applicable
  05/17/2026 06 PM PDT            4.37              9         -      Not Applicable
  05/17/2026 07 PM PDT            4.38             10         +      Not Applicable
  05/17/2026 08 PM PDT            4.38             10         0      Not Applicable
  05/17/2026 09 PM PDT            4.38             10         0      Not Applicable
  05/17/2026 10 PM PDT            4.39             11         +      Not Applicable
  05/17/2026 11 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 12 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 01 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 02 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 03 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 04 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 05 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 06 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 07 AM PDT            4.39             11         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/18/2026 08 AM PDT            4.39             11                Not Applicable
  05/18/2026 09 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 10 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 11 AM PDT            4.39             11         0      Not Applicable
  05/18/2026 12 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 01 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 02 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 03 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 04 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 05 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 06 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 07 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 08 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 09 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 10 PM PDT            4.39             11         0      Not Applicable
  05/18/2026 11 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 12 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 01 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 02 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 03 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 04 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 05 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 06 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 07 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 08 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 09 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 10 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 11 AM PDT            4.39             11         0      Not Applicable
  05/19/2026 12 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 01 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 02 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 03 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 04 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 05 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 06 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 07 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 08 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 09 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 10 PM PDT            4.39             11         0      Not Applicable
  05/19/2026 11 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 12 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 01 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 02 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 03 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 04 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 05 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 06 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 07 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 08 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 09 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 10 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 11 AM PDT            4.39             11         0      Not Applicable
  05/20/2026 12 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 01 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 02 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 03 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 04 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 05 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 06 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 07 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 08 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 09 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 10 PM PDT            4.39             11         0      Not Applicable
  05/20/2026 11 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 12 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 01 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 02 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 03 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 04 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 05 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 06 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 07 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 08 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 09 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 10 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 11 AM PDT            4.39             11         0      Not Applicable
  05/21/2026 12 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 01 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 02 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 03 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 04 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 05 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 06 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 07 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 08 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 09 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 10 PM PDT            4.39             11         0      Not Applicable
  05/21/2026 11 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 12 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 01 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 02 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 03 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 04 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 05 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 06 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 07 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 08 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 09 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 10 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 11 AM PDT            4.39             11         0      Not Applicable
  05/22/2026 12 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 01 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 02 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 03 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 04 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 05 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 06 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 07 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 08 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 09 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 10 PM PDT            4.39             11         0      Not Applicable
  05/22/2026 11 PM PDT            4.39             11         0      Not Applicable
  05/23/2026 12 AM PDT            4.39             11         0      Not Applicable
  05/23/2026 01 AM PDT            4.39             11         0      Not Applicable
  05/23/2026 02 AM PDT            4.39             11         0      Not Applicable
  05/23/2026 03 AM PDT            4.39             11         0      Not Applicable
  05/23/2026 04 AM PDT            4.39             11         0      Not Applicable
  05/23/2026 05 AM PDT            4.39             11         0      Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.