– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 10 am Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 9°C on Tue night, min 3°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Sat night, min -3°C on Thu night). Winds decreasing (strong winds from the NW on Thu night, calm by Sat morning). | |||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | | |  |  | | | | | | |
clear | clear | cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | clear | clear | clear | some clouds | some clouds | |
Cloud base (m) | 4850 | 8100 | 5450 | 4100 | 8400 | 8700 | 8500 | 3600 | 3700 | 750 | 800 | 9350 | 6800 | 6800 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | 5 | 5 | 6 | 7 | 9 | 9 | 9 | 9 | 7 | 5 | 1 | -2 | 0 | 5 | 7 | 8 | 9 |
min °C | 3 | 4 | 4 | 6 | 7 | 8 | 9 | 9 | 8 | 5 | 3 | -3 | -3 | -1 | 1 | 6 | 7 | 9 |
chill °C | -1 | 2 | 4 | 3 | 4 | 5 | 6 | 7 | 6 | 2 | -2 | -11 | -12 | -8 | -4 | 5 | 7 | 8 |
Freezing level m | 2750 | 2800 | 2800 | 2950 | 3100 | 3200 | 3300 | 3250 | 3200 | 3050 | 2750 | 1250 | 1300 | 2300 | 3200 | 3400 | 3500 | 3550 |
 | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — |
 | — | 6:15 | — | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — |
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Mount Saint Helens Weather (Days 0-3):
The weather forecast for Mount Saint Helens is: Mostly dry. Mild temperatures (max 9°C on Tue night, min 3°C on Mon morning). Wind will be generally light.
Mount Saint Helens Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 9°C on Sat night, min -3°C on Thu night). Winds decreasing (strong winds from the NW on Thu night, calm by Sat morning).
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) | | ||||
| |||||
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* 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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