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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

NA

59°F

15°C

Humidity 54%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 12 Oct 12:52 PM PDT
Extended Forecast for

Mount St Helens WA

  • Columbus Day

    Columbus Day: Areas of frost before 2pm. Otherwise, sunny, with a steady temperature around 38. Calm wind becoming northwest around 5 mph.

    High: 38 °F

    Areas Frost

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 3 to 8 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Areas of frost between noon and 1pm. Otherwise, mostly sunny, with a high near 43. West northwest wind 5 to 7 mph becoming calm in the morning.

    High: 43 °F

    Mostly Sunny
    then Areas
    Frost

  • Tuesday Night

    Tuesday Night: Areas of frost before 9pm. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 36 °F

    Areas Frost
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Patchy fog between 2pm and 3pm. Otherwise, mostly sunny, with a high near 47. Northwest wind 5 to 8 mph becoming calm in the morning.

    High: 47 °F

    Mostly Sunny
    then Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Windy.

    Low: 45 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 55. Breezy.

    High: 55 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Columbus Day
Areas of frost before 2pm. Otherwise, sunny, with a steady temperature around 38. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 27. Northwest wind 3 to 8 mph.
Tuesday
Areas of frost between noon and 1pm. Otherwise, mostly sunny, with a high near 43. West northwest wind 5 to 7 mph becoming calm in the morning.
Tuesday Night
Areas of frost before 9pm. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming northwest 5 to 7 mph after midnight.
Wednesday
Patchy fog between 2pm and 3pm. Otherwise, mostly sunny, with a high near 47. Northwest wind 5 to 8 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 52. Breezy.
Thursday Night
Mostly clear, with a low around 45. Windy.
Friday
Sunny, with a high near 55. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A chance of rain. Snow level 8200 feet lowering to 6900 feet in the afternoon . Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
12:41 pm PDT Oct 12, 2026
Forecast Valid:
1pm PDT Oct 12, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation