Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Clear

48°F

9°C

Humidity 42%
Wind Speed SE 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Jan 03:35 PM PST
Extended Forecast for

6 Miles ESE Altamont OR

Air Stagnation Advisory January 21, 03:46pm until January 23, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 21, 03:46pm until January 23, 04:00pm

    NOW until 4:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 26 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Southwest wind around 7 mph becoming north northwest after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. North northeast wind 6 to 10 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 19. North northeast wind 9 to 11 mph.

    Low: 19 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 18.

    Low: 18 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Calm wind.
Thursday
Sunny, with a high near 46. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 27. Southwest wind around 7 mph becoming north northwest after midnight.
Friday
Sunny, with a high near 42. North northeast wind 6 to 10 mph.
Friday Night
Clear, with a low around 19. North northeast wind 9 to 11 mph.
Saturday
Sunny, with a high near 41.
Saturday Night
Clear, with a low around 18.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A slight chance of rain and snow showers. Snow level rising to 5600 feet in the afternoon. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Altamont OR
 42.17°N 121.6°W (Elev. 4577 ft)
3:41 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 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