Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Clear

23°F

-5°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 20 Jan 05:53 AM PST
Extended Forecast for

2 Miles WNW Altamont OR

Air Stagnation Advisory January 20, 06:03am until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 06:03am until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Today

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Light northeast wind.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 49. Light and variable wind.
Tonight
Mostly cloudy, with a low around 19. Light northeast wind.
Wednesday
Mostly cloudy, with a high near 48. Calm wind.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 21. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 49. Calm wind.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Altamont OR
 42.21°N 121.74°W (Elev. 4190 ft)
3:41 am PST Jan 20, 2026
6am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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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