– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 10 am Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Sun afternoon, min -1°C on Fri night). Winds decreasing (gales from the SW on Fri morning, calm by Sun morning). | Days 4–6 Weather SummaryLight rain (total 4mm), mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Mon night, min 0°C on Wed morning). Winds increasing (light winds from the NW on Mon morning, strong winds from the WSW by Tue afternoon). | |||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | | | | |  |  | | |  | |
mod. snow | light snow | cloudy | some clouds | cloudy | some clouds | some clouds | clear | some clouds | clear | clear | some clouds | some clouds | light rain | rain shwrs | clear | some clouds | clear | |
Cloud base (m) | 700 | 750 | 950 | 950 | 7050 | 6550 | 5300 | 8600 | 6300 | 2250 | 900 | 750 | 900 | 1800 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 6 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.4 | 2 | — | — | — |
max °C | 0 | 0 | -1 | 1 | 4 | 5 | 5 | 6 | 5 | 5 | 6 | 7 | 6 | 5 | 5 | 1 | 3 | 2 |
min °C | 0 | 0 | -1 | 0 | 4 | 4 | 4 | 5 | 4 | 5 | 6 | 6 | 5 | 5 | 1 | 0 | 3 | 0 |
chill °C | -9 | -9 | -8 | -5 | 2 | 4 | 4 | 2 | 0 | 2 | 3 | 2 | 0 | 0 | -6 | -6 | -2 | -6 |
Freezing level m | 1950 | 1950 | 1750 | 2250 | 2700 | 2800 | 2800 | 2900 | 3100 | 3350 | 3450 | 3700 | 3000 | 3050 | 3100 | 2500 | 2600 | 2300 |
 | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 7:00 | — | — | 6:59 | — | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — |
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Mount Saint Helens Weather (Days 0-3):
The weather forecast for Mount Saint Helens is: A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Sun afternoon, min -1°C on Fri night). Winds decreasing (gales from the SW on Fri morning, calm by Sun morning).
Mount Saint Helens Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Mon night, min 0°C on Wed morning). Winds increasing (light winds from the NW on Mon morning, strong winds from the WSW by Tue afternoon).
This table gives the weather forecast for Mount Saint Helens at the specific elevation of 2000 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) | | ||||
 | |||||
* 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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