– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 10 am Tue 27 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 27 Oct Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 33mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Thu night. Temperatures will be slightly above freezing (max 4°C on Tue morning, min 1°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of snow on Fri morning. Freezing level rising with drizzle on Fri afternoon. Mild temperatures (max 6°C on Sun night, min 1°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  |  |  |  | | | | | | | |
light rain | light rain | heavy rain | mod. rain | mod. rain | some clouds | some clouds | cloudy | light snow | snow shwrs | rain shwrs | rain shwrs | cloudy | rain shwrs | some clouds | rain shwrs | rain shwrs | some clouds | |
Cloud base (m) | 700 | 750 | 700 | 700 | 750 | 800 | 750 | 900 | 850 | 700 | 900 | 900 | 1850 | 1750 | 1850 | 750 | 900 | 750 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
mm | 5 | 2 | 13 | 8 | 5 | — | — | — | — | — | 0.8 | 0.4 | — | 0.2 | — | 0.1 | 0.1 | — |
max °C | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 4 | 3 | 2 | 3 | 3 | 4 | 5 | 3 | 2 | 4 | 6 |
min °C | 4 | 4 | 2 | 2 | 3 | 1 | 1 | 4 | 2 | 1 | 3 | 2 | 2 | 5 | 1 | 1 | 3 | 2 |
chill °C | 2 | 1 | -2 | -1 | 0 | -2 | 0 | 3 | -1 | -3 | 0 | -2 | -1 | 3 | -1 | -1 | 0 | 0 |
Freezing level m | 1700 | 1600 | 1450 | 1350 | 1450 | 1150 | 1300 | 1600 | 1250 | 1250 | 1400 | 1400 | 1600 | 1700 | 1450 | 1300 | 1450 | 3200 |
 | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:46 | — | — | 7:47 | — | — | 6:48 | — | — |
 | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — | — | 5:57 | — | — | 5:55 | — | — | 4:53 | — |
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Mount Saint Helens Weather (Days 0-3):
The weather forecast for Mount Saint Helens is: Heavy rain (total 33mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Thu night. Temperatures will be slightly above freezing (max 4°C on Tue morning, min 1°C on Wed night). Wind will be generally light.
Mount Saint Helens Weather (Days 3-6):
A dusting of snow on Fri morning. Freezing level rising with drizzle on Fri afternoon. Mild temperatures (max 6°C on Sun night, min 1°C on Fri morning). Wind will be generally light.
This table gives the weather forecast for Mount Saint Helens at the specific elevation of 1000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Saint Helens. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Kelso Longveiw Airport |  | ||||
BUOY-KLMW1 | |||||
BUOY-LOPW1 | |||||
| |||||
Vancouver Airport |  | ||||
| |||||
Portland Airport | | ||||
Ken Jernstedt Airfield - Hood River (Oregon) | | ||||
 | |||||
SHIP6599 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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