– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 26 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 26 Oct Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 45mm), heaviest during Wed morning. Later becoming colder with a dusting of snow on Wed night. Mild temperatures (max 5°C on Mon afternoon, min 1°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Thu afternoon, min 1°C on Thu night). Wind will be generally light. | ||||||||||||||||
Mon 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | | |  |  |  | | |  | |
light rain | light rain | rain shwrs | rain shwrs | rain shwrs | mod. rain | mod. rain | snow shwrs | some clouds | light rain | snow shwrs | cloudy | snow shwrs | some clouds | cloudy | cloudy | cloudy | |
Cloud base (m) | 700 | 700 | 700 | 800 | 700 | 700 | 700 | 700 | 750 | 1550 | 700 | 700 | 700 | 800 | 900 | 700 | 750 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | 1 | — | — | 2 | — | 3 | — | — | — | — |
mm | 4 | 5 | 0.7 | 1.8 | 14 | 10 | 10 | — | — | 0.4 | 0.1 | — | — | — | — | — | — |
max °C | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 4 | 3 | 2 | 1 | 1 | 2 | 2 | 1 |
min °C | 4 | 5 | 4 | 4 | 2 | 2 | 3 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
chill °C | 2 | 3 | 2 | 0 | -2 | -2 | -1 | -1 | -2 | 2 | -2 | -3 | -2 | -2 | -2 | -1 | -1 |
Freezing level m | 1750 | 1750 | 1650 | 1600 | 1400 | 1400 | 1400 | 1250 | 1350 | 1500 | 1300 | 1200 | 1200 | 1100 | 1250 | 1200 | 1100 |
 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:46 | — | — | 7:47 | — | — |
 | 6:04 | — | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — | — | 5:57 | — | — | 5:55 | — |
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Mount Saint Helens Weather (Days 0-3):
The weather forecast for Mount Saint Helens is: Heavy rain (total 45mm), heaviest during Wed morning. Later becoming colder with a dusting of snow on Wed night. Mild temperatures (max 5°C on Mon afternoon, min 1°C on Wed night). Wind will be generally light.
Mount Saint Helens Weather (Days 3-6):
A light covering of new snow mostly falling on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Thu afternoon, min 1°C on Thu night). 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 |
|---|---|---|---|---|---|
BUOY-KLMW1 | |||||
Kelso Longveiw Airport |  | ||||
SHIP4409 | |||||
BUOY-LOPW1 | |||||
| |||||
SHIP5620 | |||||
BUOY-LOPW1 | |||||
| |||||
Vancouver Airport | | ||||
 |
* 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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