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

 | 

SPRAGUE RIVER - CHILOQUIN (CHSO3)
Latitude: 42.58º NLongitude: 121.85º WElevation: 4202 FeetForecast Type: Unofficial Location
Location: Klamath County in OregonBulletin Group: North CoastRiver Group: Klamath
Issuance Time: May 18 2026 at 7:31 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: Sprague River - Chiloquin (CHSO3)
#
# File Generation Time:  05/18/2026 at 07:32 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/13/2026 at 11:00 AM PDT
# Maximum Observed Stage:                       1.78 Feet
# Maximum Observed Flow:                        254 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/20/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       1.67 Feet
# Maximum Forecast Flow:                        212 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/13/2026 07 AM PDT            1.78            254                Not Applicable
  05/13/2026 08 AM PDT            1.77            250         -      Not Applicable
  05/13/2026 09 AM PDT            1.77            250         0      Not Applicable
  05/13/2026 10 AM PDT            1.77            250         0      Not Applicable
  05/13/2026 11 AM PDT            1.78            254         +      Not Applicable
  05/13/2026 12 PM PDT            1.77            250         -      Not Applicable
  05/13/2026 01 PM PDT            1.77            250         0      Not Applicable
  05/13/2026 02 PM PDT            1.77            250         0      Not Applicable
  05/13/2026 03 PM PDT            1.75            242         -      Not Applicable
  05/13/2026 04 PM PDT            1.76            246         +      Not Applicable
  05/13/2026 05 PM PDT            1.75            242         -      Not Applicable
  05/13/2026 06 PM PDT            1.75            242         0      Not Applicable
  05/13/2026 07 PM PDT            1.74            239         -      Not Applicable
  05/13/2026 08 PM PDT            1.75            242         +      Not Applicable
  05/13/2026 09 PM PDT            1.75            242         0      Not Applicable
  05/13/2026 10 PM PDT            1.75            242         0      Not Applicable
  05/13/2026 11 PM PDT            1.73            235         -      Not Applicable
  05/14/2026 12 AM PDT            1.73            235         0      Not Applicable
  05/14/2026 01 AM PDT            1.72            231         -      Not Applicable
  05/14/2026 02 AM PDT            1.72            231         0      Not Applicable
  05/14/2026 03 AM PDT            1.73            235         +      Not Applicable
  05/14/2026 04 AM PDT            1.73            235         0      Not Applicable
  05/14/2026 05 AM PDT            1.72            231         -      Not Applicable
  05/14/2026 06 AM PDT            1.73            235         +      Not Applicable
  05/14/2026 07 AM PDT            1.73            235         0      Not Applicable
  05/14/2026 08 AM PDT            1.73            235         0      Not Applicable
  05/14/2026 09 AM PDT            1.72            231         -      Not Applicable
  05/14/2026 10 AM PDT            1.72            231         0      Not Applicable
  05/14/2026 11 AM PDT            1.72            231         0      Not Applicable
  05/14/2026 12 PM PDT            1.73            235         +      Not Applicable
  05/14/2026 01 PM PDT            1.72            231         -      Not Applicable
  05/14/2026 02 PM PDT            1.73            235         +      Not Applicable
  05/14/2026 03 PM PDT            1.73            235         0      Not Applicable
  05/14/2026 04 PM PDT            1.72            231         -      Not Applicable
  05/14/2026 05 PM PDT            1.72            231         0      Not Applicable
  05/14/2026 06 PM PDT            1.73            235         +      Not Applicable
  05/14/2026 07 PM PDT            1.72            231         -      Not Applicable
  05/14/2026 08 PM PDT            1.72            231         0      Not Applicable
  05/14/2026 09 PM PDT            1.71            227         -      Not Applicable
  05/14/2026 10 PM PDT            1.72            231         +      Not Applicable
  05/14/2026 11 PM PDT            1.72            231         0      Not Applicable
  05/15/2026 12 AM PDT            1.72            231         0      Not Applicable
  05/15/2026 01 AM PDT            1.71            227         -      Not Applicable
  05/15/2026 02 AM PDT            1.71            227         0      Not Applicable
  05/15/2026 03 AM PDT            1.71            227         0      Not Applicable
  05/15/2026 04 AM PDT            1.71            227         0      Not Applicable
  05/15/2026 05 AM PDT            1.71            227         0      Not Applicable
  05/15/2026 06 AM PDT            1.71            227         0      Not Applicable
  05/15/2026 07 AM PDT            1.70            223         -      Not Applicable
  05/15/2026 08 AM PDT            1.70            223         0      Not Applicable
  05/15/2026 09 AM PDT            1.71            227         +      Not Applicable
  05/15/2026 10 AM PDT            1.70            223         -      Not Applicable
  05/15/2026 11 AM PDT            1.71            227         +      Not Applicable
  05/15/2026 12 PM PDT            1.70            223         -      Not Applicable
  05/15/2026 01 PM PDT            1.70            223         0      Not Applicable
  05/15/2026 02 PM PDT            1.70            223         0      Not Applicable
  05/15/2026 03 PM PDT            1.71            227         +      Not Applicable
  05/15/2026 04 PM PDT            1.71            227         0      Not Applicable
  05/15/2026 05 PM PDT            1.70            223         -      Not Applicable
  05/15/2026 06 PM PDT            1.71            227         +      Not Applicable
  05/15/2026 07 PM PDT            1.70            223         -      Not Applicable
  05/15/2026 08 PM PDT            1.69            219         -      Not Applicable
  05/15/2026 09 PM PDT            1.69            219         0      Not Applicable
  05/15/2026 10 PM PDT            1.69            219         0      Not Applicable
  05/15/2026 11 PM PDT            1.70            223         +      Not Applicable
  05/16/2026 12 AM PDT            1.69            219         -      Not Applicable
  05/16/2026 01 AM PDT            1.68            215         -      Not Applicable
  05/16/2026 02 AM PDT            1.68            215         0      Not Applicable
  05/16/2026 03 AM PDT            1.69            219         +      Not Applicable
  05/16/2026 04 AM PDT            1.69            219         0      Not Applicable
  05/16/2026 05 AM PDT            1.69            219         0      Not Applicable
  05/16/2026 06 AM PDT            1.68            215         -      Not Applicable
  05/16/2026 07 AM PDT            1.68            215         0      Not Applicable
  05/16/2026 08 AM PDT            1.68            215         0      Not Applicable
  05/16/2026 09 AM PDT            1.67            212         -      Not Applicable
  05/16/2026 10 AM PDT            1.67            212         0      Not Applicable
  05/16/2026 11 AM PDT            1.69            219         +      Not Applicable
  05/16/2026 12 PM PDT            1.68            215         -      Not Applicable
  05/16/2026 01 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 02 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 03 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 04 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 05 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 06 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 07 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 08 PM PDT            1.69            219         +      Not Applicable
  05/16/2026 09 PM PDT            1.68            215         -      Not Applicable
  05/16/2026 10 PM PDT            1.68            215         0      Not Applicable
  05/16/2026 11 PM PDT            1.69            219         +      Not Applicable
  05/17/2026 12 AM PDT            1.69            219         0      Not Applicable
  05/17/2026 01 AM PDT            1.69            219         0      Not Applicable
  05/17/2026 02 AM PDT            1.69            219         0      Not Applicable
  05/17/2026 03 AM PDT            1.70            223         +      Not Applicable
  05/17/2026 04 AM PDT            1.69            219         -      Not Applicable
  05/17/2026 05 AM PDT            1.69            219         0      Not Applicable
  05/17/2026 06 AM PDT            1.69            219         0      Not Applicable
  05/17/2026 07 AM PDT            1.70            223         +      Not Applicable
  05/17/2026 08 AM PDT            1.69            219         -      Not Applicable
  05/17/2026 09 AM PDT            1.69            219         0      Not Applicable
  05/17/2026 10 AM PDT            1.70            223         +      Not Applicable
  05/17/2026 11 AM PDT            1.69            219         -      Not Applicable
  05/17/2026 12 PM PDT            1.69            219         0      Not Applicable
  05/17/2026 01 PM PDT            1.70            223         +      Not Applicable
  05/17/2026 02 PM PDT            1.69            219         -      Not Applicable
  05/17/2026 03 PM PDT            1.70            223         +      Not Applicable
  05/17/2026 04 PM PDT            1.69            219         -      Not Applicable
  05/17/2026 05 PM PDT            1.69            219         0      Not Applicable
  05/17/2026 06 PM PDT            1.68            215         -      Not Applicable
  05/17/2026 07 PM PDT            1.68            215         0      Not Applicable
  05/17/2026 08 PM PDT            1.67            212         -      Not Applicable
  05/17/2026 09 PM PDT            1.67            212         0      Not Applicable
  05/17/2026 10 PM PDT            1.68            215         +      Not Applicable
  05/17/2026 11 PM PDT            1.67            212         -      Not Applicable
  05/18/2026 12 AM PDT            1.67            212         0      Not Applicable
  05/18/2026 01 AM PDT            1.66            208         -      Not Applicable
  05/18/2026 02 AM PDT            1.66            208         0      Not Applicable
  05/18/2026 03 AM PDT            1.65            204         -      Not Applicable
  05/18/2026 04 AM PDT            1.65            204         0      Not Applicable
  05/18/2026 05 AM PDT            1.65            204         0      Not Applicable
  05/18/2026 06 AM PDT            1.65            204         0      Not Applicable
  05/18/2026 07 AM PDT            1.65            204         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/18/2026 08 AM PDT            1.65            204                Not Applicable
  05/18/2026 09 AM PDT            1.65            204         0      Not Applicable
  05/18/2026 10 AM PDT            1.65            204         0      Not Applicable
  05/18/2026 11 AM PDT            1.65            204         0      Not Applicable
  05/18/2026 12 PM PDT            1.65            204         0      Not Applicable
  05/18/2026 01 PM PDT            1.65            204         0      Not Applicable
  05/18/2026 02 PM PDT            1.65            204         0      Not Applicable
  05/18/2026 03 PM PDT            1.65            204         0      Not Applicable
  05/18/2026 04 PM PDT            1.65            204         0      Not Applicable
  05/18/2026 05 PM PDT            1.65            204         0      Not Applicable
  05/18/2026 06 PM PDT            1.66            208         +      Not Applicable
  05/18/2026 07 PM PDT            1.66            208         0      Not Applicable
  05/18/2026 08 PM PDT            1.66            208         0      Not Applicable
  05/18/2026 09 PM PDT            1.66            208         0      Not Applicable
  05/18/2026 10 PM PDT            1.66            208         0      Not Applicable
  05/18/2026 11 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 12 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 01 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 02 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 03 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 04 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 05 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 06 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 07 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 08 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 09 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 10 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 11 AM PDT            1.66            208         0      Not Applicable
  05/19/2026 12 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 01 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 02 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 03 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 04 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 05 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 06 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 07 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 08 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 09 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 10 PM PDT            1.66            208         0      Not Applicable
  05/19/2026 11 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 12 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 01 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 02 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 03 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 04 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 05 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 06 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 07 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 08 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 09 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 10 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 11 AM PDT            1.66            208         0      Not Applicable
  05/20/2026 12 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 01 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 02 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 03 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 04 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 05 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 06 PM PDT            1.67            212         +      Not Applicable
  05/20/2026 07 PM PDT            1.67            212         0      Not Applicable
  05/20/2026 08 PM PDT            1.66            208         -      Not Applicable
  05/20/2026 09 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 10 PM PDT            1.66            208         0      Not Applicable
  05/20/2026 11 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 12 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 01 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 02 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 03 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 04 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 05 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 06 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 07 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 08 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 09 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 10 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 11 AM PDT            1.66            208         0      Not Applicable
  05/21/2026 12 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 01 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 02 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 03 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 04 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 05 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 06 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 07 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 08 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 09 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 10 PM PDT            1.66            208         0      Not Applicable
  05/21/2026 11 PM PDT            1.66            208         0      Not Applicable
  05/22/2026 12 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 01 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 02 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 03 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 04 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 05 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 06 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 07 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 08 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 09 AM PDT            1.66            208         0      Not Applicable
  05/22/2026 10 AM PDT            1.65            204         -      Not Applicable
  05/22/2026 11 AM PDT            1.65            204         0      Not Applicable
  05/22/2026 12 PM PDT            1.65            204         0      Not Applicable
  05/22/2026 01 PM PDT            1.65            204         0      Not Applicable
  05/22/2026 02 PM PDT            1.65            204         0      Not Applicable
  05/22/2026 03 PM PDT            1.65            204         0      Not Applicable
  05/22/2026 04 PM PDT            1.65            204         0      Not Applicable
  05/22/2026 05 PM PDT            1.65            204         0      Not Applicable
  05/22/2026 06 PM PDT            1.66            208         +      Not Applicable
  05/22/2026 07 PM PDT            1.66            208         0      Not Applicable
  05/22/2026 08 PM PDT            1.66            208         0      Not Applicable
  05/22/2026 09 PM PDT            1.66            208         0      Not Applicable
  05/22/2026 10 PM PDT            1.66            208         0      Not Applicable
  05/22/2026 11 PM PDT            1.65            204         -      Not Applicable
  05/23/2026 12 AM PDT            1.65            204         0      Not Applicable
  05/23/2026 01 AM PDT            1.65            204         0      Not Applicable
  05/23/2026 02 AM PDT            1.65            204         0      Not Applicable
  05/23/2026 03 AM PDT            1.65            204         0      Not Applicable
  05/23/2026 04 AM PDT            1.65            204         0      Not Applicable
  05/23/2026 05 AM PDT            1.65            204         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.