– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 10°C on Sat afternoon, min 6°C on Fri morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 10°C on Sun morning, min -2°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue night). | |||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | | |  | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | clear | clear | clear | clear | clear | |
Cloud base (m) | 9200 | 9350 | 9000 | 6350 | 1500 | 850 | 1900 | 8700 | ||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 9 | 8 | 7 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 9 | 6 | 6 | 5 | -2 | 0 | 3 |
min °C | 9 | 9 | 7 | 6 | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 8 | 6 | 6 | -1 | -2 | -1 | 1 |
chill °C | 8 | 7 | 3 | 4 | 6 | 6 | 7 | 10 | 10 | 9 | 9 | 5 | 2 | 2 | -9 | -10 | -8 | -4 |
Freezing level m | 3900 | 3850 | 3800 | 3800 | 3900 | 4000 | 4050 | 4100 | 4100 | 4050 | 4100 | 4000 | 3700 | 3600 | 2650 | 2150 | 2650 | 3150 |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — |
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Mount Saint Helens Weather (Days 0-3):
The weather forecast for Mount Saint Helens is: Mostly dry. Very mild (max 10°C on Sat afternoon, min 6°C on Fri morning). Wind will be generally light.
Mount Saint Helens Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 10°C on Sun morning, min -2°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue night).
This table gives the weather forecast for Mount Saint Helens at the specific elevation of 2549 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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