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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


KLAMATH RIVER - UPPER KLAMATH LAKE AT KLAMATH FALLS (KLAO3)
Latitude: 42.25º NLongitude: 121.82º WElevation: 4098 Feet
Location: Klamath County in OregonBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 15, 2025 at 8:23 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are net inflow.
2025 Water Year Trend Plot
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Text Products (RNOHFSOSV and RNOHFSWYV)
Raw ESP Water Year Streamflow Volumes Tracker
Water Year Streamflow Volume Accumulation Forecast

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (ORZ029)
Today: Sunny then becoming partly cloudy early This Afternoon then becoming mostly cloudy. Highs in the mid 70s to lower 80s. North winds around 5 mph shifting to the southwest This Afternoon.

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

Monday: Partly cloudy in the morning then clearing. Highs in the lower to mid 70s. West winds 10 to 15 mph.

Monday Night: Mostly clear. Lows in the mid 30s to mid 40s. Northwest winds 10 to 20 mph decreasing to 5 to 10 mph after midnight.

Tuesday: Sunny. Highs in the mid 70s to lower 80s. Northwest winds around 5 mph shifting to the west in the afternoon.

Tuesday Night through Wednesday Night: Clear. Lows in the lower 40s to lower 50s. Highs in the mid 70s to mid 80s.

juneteenth and Thursday Night: Mostly clear. Highs in the mid 70s to lower 80s. Lows in the lower 40s to lower 50s.

Friday: Sunny, cooler. Highs in the lower to mid 60s.

Friday Night and Saturday: Partly cloudy with a slight chance of rain and snow showers. Cooler. Lows in the lower 30s to lower 40s. Highs in the mid 50s to mid 60s.