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Klamath River, California Weather Forecast
Klamath River, California Weather
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Weather Forecast for Klamath River, California : Siskiyou County
Issued: 12:41 am PST Dec 18, 2025 Latitude: 41.8612461 Longitude: -122.825589 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of rain on Overnight 60% chance of rain on Thursday 100% chance of rain on Friday 30% chance of rain & snow on Saturday Rain on Sunday 70% chance of rain & snow on Monday 20% chance of rain & snow on Tuesday 20% chance of rain & snow on Wednesday
Low: 40°F High: 56°F High: 53°F High: 48°F High: 51°F High: 47°F High: 45°F High: 45°F
Low: 43°F Low: 33°F Low: 37°F Low: 36°F Low: 31°F Low: 31°F  
Rain Rain Rain Rain & Snow Rain Rain & Snow Rain & Snow Rain & Snow
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Current Conditions at
MONTAGUE/SSK - (KSIY)
39°
Cloudy
as of 12:53 AM PST
Rel. Humidity: 86%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Solid Overcast at 6500ft
Current Conditions at
MEDFORD - (KMFR)
43°
Cloudy
Light Rain
as of 12:53 AM PST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 5000ft, Solid Overcast at 7000ft
Current Conditions at
MT SHASTA - (KMHS)
39°
Cloudy
as of 12:56 AM PST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 300ft, Scattered at 6500ft, Solid Overcast at 8500ft
Current Conditions at
SEXTON SUMMIT - (KSXT)
37°
Feels like 30°F
Cloudy
Light Rain
as of 1:03 AM PST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 22 MPH
180° South
Cloud Level(s): Solid Overcast at 3900ft
20% chance of rain Overnight Overnight... A 20 percent chance of rain before 4am. Cloudy, with a steady temperature around 40. South wind around 7 mph.

60% chance of rain Thursday Thursday... A slight chance of rain before 8am, then rain likely after 10am. Cloudy, then gradually becoming mostly sunny, with a high near 56. South southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Thursday Night Thursday Night... Rain, mainly after 10pm. Low around 43. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain Friday Friday... Rain. High near 53. South wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

60% chance of rain & snow Friday Night Friday Night... Rain likely, mainly before 10pm. Snow level 4900 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 33. West wind around 7 mph. Chance of precipitation is 60%.

30% chance of rain & snow Saturday Saturday... A 30 percent chance of rain, mainly after 10am. Snow level 3700 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 48.

80% chance of rain & snow Saturday Night Saturday Night... Rain, mainly after 10pm. Snow level 5300 feet rising to 6100 feet after midnight. Low around 37. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Rain on Sunday Sunday... Rain. Cloudy, with a high near 51.

Rain on Sunday Night Sunday Night... Rain. Mostly cloudy, with a low around 36.

70% chance of rain & snow Monday Monday... Rain likely. Snow level 5000 feet. Mostly cloudy, with a high near 47.

20% chance of rain & snow Monday Night Monday Night... A chance of rain. Snow level 4400 feet. Mostly cloudy, with a low around 31.

20% chance of rain & snow Tuesday Tuesday... A chance of rain. Snow level 4300 feet. Partly sunny, with a high near 45.

70% chance of rain & snow Tuesday Night Tuesday Night... Rain likely. Snow level 4500 feet. Mostly cloudy, with a low around 31.

20% chance of rain & snow Wednesday Wednesday... A chance of rain. Snow level 4200 feet. Partly sunny, with a high near 45.

Current Radar Image


Sun Almanac for Klamath River, California
Sunrise: 07:34 AM
Sunset: 4:42 PM
Civil Sunrise:07:03 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:27 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:53 AM
Astro Sunset: 6:23 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.