CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SPRAGUE RIVER - BEATTY (BTYO3)

Latitude: 42.45º N	Longitude: 121.24º W	Elevation: 4305 Feet
Location: Klamath County in Oregon		Bulletin Group: North Coast		River Group: Klamath

Issuance Time:

Jul 05 2025 at 7:42 AM PDT

Next Issuance:

Jul 06 2025 at 9:00 AM PDT

Action/Monitor: 7.5 Feet

Minor Flood: 8.5 Feet

Moderate Flood: 11.0 Feet

Major Flood: 12.0 Feet

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the Oregon Water Resources Department (ORWRD). View Oregon Water Resources Department (ORWRD) Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024	961	5.96	May 5, 2024
2023	1,670	7.97	Apr 13, 2023
2022	567	5.14	Jun 6, 2022
2021	290	3.22	Apr 25, 2021
2020	666	5.35	Jan 27, 2020
Historical High Stage/Flow Events (Period of Record - Oct 1953 to Present) - Ranked by Flow
1965	6,980	12.19	Dec 23, 1964
1997	6,372	11.50	Jan 2, 1997
1970	3,810	10.01	Jan 24, 1970
1956	3,340	9.44	Dec 23, 1955
1996	3,280	9.30	Feb 8, 1996

* Data utilizes mean daily values rather than instantaneous values
** Most recent continuous record back to Oct 1953 with segmented periods back to Apr 1912

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
10.0 Feet	Flooding of numerous homes and other structures along the Sprague River is likely. Some relocations and evacuations have taken place at these river stages in the past.
9.0 Feet	Flooding of structures along the Sprague River in the vicinity of Sprague River, Lone Pine, and down stream can be expected. Widespread agricultural flooding is likely in this area as well.
8.0 Feet	Widespread agricultural flooding can be expected downstream in the Sprague River Valley in the vicinity of Sprague River and Lone Pine.

Official 7 Day National Weather Service Forecast (ORZ030)

Tonight: Clear. Lows in the lower 40s to lower 50s. Northwest winds 5 to 10 mph.

Sunday: Sunny. Highs in the lower to mid 80s. North winds 5 to 10 mph shifting to the east early in the afternoon, then shifting to the west late in the afternoon.

Sunday Night: Clear. Lows in the mid 40s to mid 50s. North winds 5 to 10 mph.

Monday: Sunny. A 10 percent chance of thunderstorms in the afternoon. Highs in the mid 80s to lower 90s. North winds 5 to 10 mph shifting to the east in the late morning and early afternoon, then shifting to the southwest late in the afternoon.

Monday Night: Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower to mid 50s. Northwest winds 5 to 10 mph shifting to the northeast well after midnight.

Tuesday and Tuesday Night: Mostly clear. Slight chance of thunderstorms. Highs in the mid 80s to lower 90s. Lows in the mid 40s to mid 50s.

Wednesday and Wednesday Night: Mostly clear. Slight chance of thunderstorms. Highs in the lower to mid 80s. Lows in the mid 40s to lower 50s.

Thursday through Friday: Clear. Highs in the lower 80s to lower 90s. Lows in the mid 40s to mid 50s.

Friday Night: Mostly clear. Lows in the lower to mid 50s.

Saturday: Sunny. Highs in the mid 80s to lower 90s.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Medford Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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Verification - Historical Graphical RVF
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