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



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: Dec 13, 2025 at 9:48 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  KLAO3

Show:





What information is considered in this forecast?
Verification / Historical Plots
<-- Previous Forecast  Forecast Date:   Forecast Cycle:  

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (ORZ029)
Rest of Today: Partly cloudy early This Morning then clearing. Patchy fog early This Morning. Highs in the lower to mid 50s. East winds around 5 mph shifting to the southeast late This Afternoon.

Tonight: Mostly clear. Patchy freezing fog after midnight. Lows in the mid 20s to mid 30s. Southeast winds around 5 mph.

Sunday: Partly cloudy. Patchy freezing fog in the morning. Highs in the lower to mid 50s. Southeast winds around 5 mph.

Sunday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid 30s. Southeast winds 5 to 10 mph.

Monday: Mostly cloudy with a 30 percent chance of rain. Highs in the lower to mid 50s. South winds 5 to 10 mph.

Monday Night: Mostly cloudy with a chance of rain. Lows in the lower to mid 40s.

Tuesday: Mostly cloudy. Chance of rain in the morning, then rain likely in the afternoon. Highs in the mid 40s to lower 50s.

Tuesday Night: Rain, colder. Lows in the lower to mid 30s.

Wednesday: Mostly cloudy. Rain and snow likely in the morning, then chance of rain and snow in the afternoon. Highs in the lower to mid 40s.

Wednesday Night: Mostly cloudy. Chance of rain and snow in the evening, then rain and snow likely after midnight. Lows in the mid 20s to lower 30s.

Thursday: Rain and snow likely in the morning, then rain in the afternoon. Highs in the lower 40s to lower 50s.

Thursday Night: Rain in the evening, then rain and snow after midnight. Lows in the mid 30s.

Friday: Rain and snow in the morning, then rain in the afternoon. Highs in the lower to mid 40s.