National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

Lat: 42.14703°NLon: 121.72548°WElev: 4081.0ft.

Overcast

45°F

7°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 07 Dec 04:53 PM PST
Extended Forecast for

7 Miles SSW Klamath Falls OR

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 29. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 29 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 52 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Southwest wind 8 to 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 10am. Partly sunny, with a high near 54. West southwest wind 9 to 11 mph.

    High: 54 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33. Southwest wind around 8 mph.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 29. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind 8 to 10 mph.
Tuesday
A 30 percent chance of rain after 10am. Partly sunny, with a high near 54. West southwest wind 9 to 11 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33. Southwest wind around 8 mph.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 56.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 30.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 56.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 27.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Klamath Falls OR
 42.13°N 121.83°W (Elev. 4199 ft)
Last Update:
3:41 pm PST Dec 7, 2025
Forecast Valid:
5pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation