Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Overcast

43°F

6°C

Humidity 48%
Wind Speed W 19 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Apr 04:00 AM PDT
Extended Forecast for

3 Miles S Altamont OR

  • Overnight

    Overnight: A 20 percent chance of rain.  Snow level 5000 feet. Mostly cloudy, with a steady temperature around 38. West southwest wind around 8 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain before 4pm, then rain likely, possibly mixed with snow.  Snow level 6100 feet lowering to 4400 feet in the afternoon . High near 49. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Chance Rain
    then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow between 10pm and 11pm.  Partly cloudy, with a low around 22. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.

    Low: 22 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 48. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. North northwest wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm.  Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of rain. Snow level 5000 feet. Mostly cloudy, with a steady temperature around 38. West southwest wind around 8 mph.
Wednesday
Rain before 4pm, then rain likely, possibly mixed with snow. Snow level 6100 feet lowering to 4400 feet in the afternoon . High near 49. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow between 10pm and 11pm. Partly cloudy, with a low around 22. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.
Thursday
Sunny, with a high near 48. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 21. North northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A slight chance of rain after 11pm. Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36.
Sunday
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Snow level 6500 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 33.
Monday
A chance of rain. Snow level 5400 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 61.
Monday Night
A slight chance of rain. Snow level 6500 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
A chance of rain. Snow level 5400 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Altamont OR
 42.15°N 121.72°W (Elev. 4140 ft)
2:22 am PDT Apr 15, 2026
4am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database