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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Klamath Falls International Airport (KLMT)

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

Clear

40°F

4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 03:53 AM PDT
Extended Forecast for

6 Miles ESE Altamont OR

  • Today

    Today: Sunny, with a high near 61. West wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 24 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Northeast wind around 6 mph.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Calm wind becoming north northwest around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. West wind 5 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 31. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 62. Northeast wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 34. Calm wind becoming north northwest around 5 mph.
Monday
Mostly sunny, with a high near 66. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 64. Breezy.
Tuesday Night
Mostly cloudy, with a low around 37. Breezy.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 29. Breezy.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Altamont OR
 42.17°N 121.6°W (Elev. 4577 ft)
Last Update:
3:21 am PDT Mar 21, 2026
Forecast Valid:
4am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation