Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Clear

45°F

7°C

Humidity 81%
Wind Speed E 3 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Sep 07:35 AM PDT
Extended Forecast for

3 Miles SSW Altamont OR

  • Today

    Today: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. West northwest wind 12 to 17 mph becoming light west southwest  after midnight. Winds could gust as high as 26 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Light northwest wind becoming west 6 to 11 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain after 11am.  Snow level 7100 feet. Mostly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Light and variable wind.
Tonight
Clear, with a low around 48. West northwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 83. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 44. West northwest wind 12 to 17 mph becoming light west southwest after midnight. Winds could gust as high as 26 mph.
Friday
Sunny, with a high near 78. Light northwest wind becoming west 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 38.
Saturday
A 30 percent chance of rain after 11am. Snow level 7100 feet. Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 68.
Monday Night
Clear, with a low around 37.
Tuesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Altamont OR
 42.15°N 121.72°W (Elev. 4140 ft)
4:40 am PDT Sep 9, 2026
7am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database