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

54°F

12°C

Humidity 51%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 21 Mar 09:58 PM PDT
Extended Forecast for

Langdon OR

  • Tonight

    Tonight: Partly cloudy, with a low around 34. North wind around 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. North wind 5 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. North northwest wind 5 to 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. North northwest wind around 5 mph becoming calm.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 48. Light and variable wind becoming south 5 to 8 mph after midnight.

    Low: 48 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 57. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain.  Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Snow level 5900 feet lowering to 4800 feet in the afternoon . Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain, mixing with snow after 8pm, then gradually ending.  Snow level 4600 feet lowering to 2800 feet after midnight . Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 55. North wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 38. North northwest wind 5 to 8 mph.
Monday
Partly sunny, with a high near 60. North northwest wind around 5 mph becoming calm.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Light and variable wind becoming south 5 to 8 mph after midnight.
Tuesday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 43. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 11am. Snow level 5900 feet lowering to 4800 feet in the afternoon . Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain, mixing with snow after 8pm, then gradually ending. Snow level 4600 feet lowering to 2800 feet after midnight . Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Langdon OR
 42.77°N 123.64°W (Elev. 2549 ft)
4:40 pm PDT Mar 21, 2026
10pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database