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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

47°F

8°C

Humidity 42%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 09 Apr 02:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Clear, with a low around 32. South southwest wind around 13 mph.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 48. South southeast wind 9 to 13 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Breezy, with a southeast wind 9 to 16 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: A chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Snow level 6700 feet rising to 7400 feet in the afternoon. Partly sunny, with a high near 48. Southeast wind 10 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Rain showers likely before 11pm, then rain, possibly mixed with snow showers between 11pm and 2am, then snow showers after 2am. Snow level 7500 feet lowering to 6600 feet after midnight . Low around 36. West wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow

  • Saturday

    Saturday: Snow showers. High near 40. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 33 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Snow showers. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: Rain and snow likely before 11pm, then a chance of snow. Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow

Detailed Forecast

Overnight
Clear, with a low around 32. South southwest wind around 13 mph.
Thursday
Sunny, with a high near 48. South southeast wind 9 to 13 mph.
Thursday Night
Partly cloudy, with a low around 38. Breezy, with a southeast wind 9 to 16 mph.
Friday
A chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Snow level 6700 feet rising to 7400 feet in the afternoon. Partly sunny, with a high near 48. Southeast wind 10 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Rain showers likely before 11pm, then rain, possibly mixed with snow showers between 11pm and 2am, then snow showers after 2am. Snow level 7500 feet lowering to 6600 feet after midnight . Low around 36. West wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers. High near 40. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers. Mostly cloudy, with a high near 34. Breezy.
Sunday Night
Rain and snow likely before 11pm, then a chance of snow. Mostly cloudy, with a low around 30. Breezy.
Monday
Snow likely. Mostly cloudy, with a high near 32. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27. Breezy.
Tuesday
A chance of snow. Mostly cloudy, with a high near 31.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 28. Breezy.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 31. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
3:42 am PDT Apr 9, 2026
Forecast Valid:
3am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation