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

MERLIN (MLFO3)

Lat: 42.49975°NLon: 123.36917°WElev: 1144.0ft.

NA

79°F

26°C

Humidity 26%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index78°F (26°C)
Last update 20 Mar 02:58 PM PDT
Extended Forecast for

12 Miles WSW Langdon OR

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 51. West northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 61. North northeast wind 3 to 7 mph.

    High: 61 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. North wind around 7 mph becoming east after midnight.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. East northeast wind around 8 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. North northeast wind 5 to 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly after 11am. Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 51. West northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 61. North northeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 40. North wind around 7 mph becoming east after midnight.
Sunday
Mostly sunny, with a high near 64. East northeast wind around 8 mph.
Sunday Night
Mostly cloudy, with a low around 42. North northeast wind 5 to 8 mph.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Langdon OR
 42.71°N 123.83°W (Elev. 682 ft)
Last Update:
3:21 pm PDT Mar 20, 2026
Forecast Valid:
4pm PDT Mar 20, 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