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

64°F

18°C

Humidity 34%
Wind Speed NW 18 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 03:35 PM PDT
Extended Forecast for

5 Miles NNW Merrill OR

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Northwest wind 6 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. East wind 5 to 7 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Calm wind becoming north northwest around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. South southwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 28 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Breezy.

    High: 66 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Northwest wind 6 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 63. East wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 40. Calm wind becoming north northwest around 5 mph.
Monday
Mostly sunny, with a high near 66. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 45. South southwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 28 mph.
Tuesday
Mostly sunny, with a high near 66. Breezy.
Tuesday Night
Mostly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 32. Breezy.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Merrill OR
 42.09°N 121.64°W (Elev. 4895 ft)
Last Update:
3:21 pm PDT Mar 21, 2026
Forecast Valid:
3pm PDT Mar 21, 2026-6pm PDT Mar 28, 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