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

43°F

6°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Mar 11:55 PM PDT
Extended Forecast for

3 Miles SSW Altamont OR

  • Overnight

    Overnight: Partly cloudy, with a low around 39. Light southwest wind.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Light southwest wind.
Saturday
Sunny, with a high near 65. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Altamont OR
 42.15°N 121.72°W (Elev. 4140 ft)
Last Update:
10:41 pm PDT Mar 20, 2026
Forecast Valid:
12am 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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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation