– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens
Weather Forecast, United StatesIssued: 10 am Mon 18 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 18 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 18 May Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 7°C on Wed night, min 0°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 10°C on Fri afternoon, min 4°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the WNW by Sat afternoon). | |||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | |  | | | | | | | |
some clouds | clear | some clouds | cloudy | light rain | rain shwrs | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | 0.5 | 0.4 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 3 | 2 | 1 | 2 | 2 | 3 | 6 | 7 | 8 | 9 | 8 | 7 | 10 | 9 | 7 | 8 | 6 |
min °C | 0 | 2 | 1 | 1 | 1 | 2 | 2 | 6 | 5 | 8 | 9 | 7 | 7 | 10 | 7 | 6 | 7 | 4 |
-5 | -3 | -4 | -5 | -4 | -3 | -1 | 5 | 2 | 8 | 8 | 5 | 6 | 9 | 4 | 3 | 3 | -1 | |
2150 | 2400 | 2200 | 2300 | 2600 | 2900 | 3150 | 3350 | 3450 | 3250 | 3400 | 3500 | 3500 | 3750 | 3750 | 3450 | 3400 | 3350 | |
Cloud base (m) | 5050 | 2300 | 750 | 700 | 750 | 750 | 800 | 9300 | 6950 | 8450 | 9150 | 7000 | 6650 | |||||
 | 5:31 | — | — | 5:31 | — | — | 5:30 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — |
 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:40 | — | — | 8:42 | — | — | 8:43 |
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Mount Saint Helens Weather (Days 0-3):
The weather forecast for Mount Saint Helens is: Mostly dry. Freeze-thaw conditions (max 7°C on Wed night, min 0°C on Mon morning). Wind will be generally light.
Mount Saint Helens Weather (Days 3-6):
Mostly dry. Very mild (max 10°C on Fri afternoon, min 4°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the WNW by Sat 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 |
|---|---|---|---|---|---|
BUOY-KLMW1 | |||||
Kelso Longveiw Airport |  | ||||
BUOY-LOPW1 | |||||
SHIP7783 | |||||
| |||||
SHIP4287 | |||||
SHIP9276 | |||||
SHIP5037 | |||||
| |||||
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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