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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Mostly Cloudy

46°F

8°C

Humidity 61%
Wind Speed W 19 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Apr 03:00 PM PDT
Extended Forecast for

3 Miles S Altamont OR

  • This Afternoon

    This Afternoon: A chance of rain and snow showers before 4pm, then a chance of rain showers. Some thunder is also possible. Snow level 5200 feet. Partly sunny, with a high near 50. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before midnight. Snow level 5400 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 29. Southwest wind 5 to 10 mph.

    Low: 29 °F

    Chance Rain
    then Slight
    Chance Rain

  • Monday

    Monday: A slight chance of snow before 11am, then a chance of rain. Snow level 4500 feet rising to 5800 feet in the afternoon. Partly sunny, with a high near 51. West wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Light west southwest wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 11pm, mixing with snow after 2am. Snow level 6300 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 11am, then rain. Snow level 4900 feet rising to 5700 feet in the afternoon. High near 49. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then snow likely. Partly cloudy, with a low around 20.

    Low: 20 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of rain and snow showers before 4pm, then a chance of rain showers. Some thunder is also possible. Snow level 5200 feet. Partly sunny, with a high near 50. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A 50 percent chance of rain, mainly before midnight. Snow level 5400 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 29. Southwest wind 5 to 10 mph.
Monday
A slight chance of snow before 11am, then a chance of rain. Snow level 4500 feet rising to 5800 feet in the afternoon. Partly sunny, with a high near 51. West wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 25. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 57. Light west southwest wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
A chance of rain after 11pm, mixing with snow after 2am. Snow level 6300 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 11am, then rain. Snow level 4900 feet rising to 5700 feet in the afternoon. High near 49. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain likely before 8pm, then snow likely. Partly cloudy, with a low around 20.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A chance of rain. Snow level 6300 feet. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Altamont OR
 42.15°N 121.72°W (Elev. 4140 ft)
Last Update:
1:56 pm PDT Apr 12, 2026
Forecast Valid:
3pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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