– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
3 Mount Saint Helens Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 6°C on Wed afternoon, min -2°C on Thu night). Winds increasing (light winds from the SW on Tue night, strong winds from the NNW by Thu night). | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 5°C on Sat afternoon, min 1°C on Fri afternoon). Winds decreasing (strong winds from the NNW on Fri afternoon, light winds from the NW by Sat night). | ||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  | | | | | | |  | | | | |
clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 8950 | 8350 | 8600 | 8600 | 750 | 750 | 8500 | 6900 | 6800 | 7000 | 6950 | ||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 5 | 5 | 6 | 5 | 4 | 2 | -1 | 0 | 1 | 3 | 4 | 5 | 5 | 5 | 5 | 5 |
min °C | 4 | 5 | 5 | 6 | 5 | 3 | 0 | -2 | -1 | 1 | 1 | 4 | 4 | 5 | 5 | 5 | 5 |
chill °C | 0 | 1 | 1 | 1 | 0 | -1 | -6 | -10 | -9 | -6 | -5 | 1 | 1 | 3 | 2 | 2 | 2 |
Freezing level m | 3300 | 3250 | 3250 | 3300 | 3350 | 3150 | 2500 | 1400 | 1450 | 3100 | 3200 | 3300 | 3450 | 3450 | 3400 | 3400 | 3450 |
 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — |
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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 6°C on Wed afternoon, min -2°C on Thu night). Winds increasing (light winds from the SW on Tue night, strong winds from the NNW by Thu night).
Mount Saint Helens Weather (Days 3-6):
Mostly dry. Mild temperatures (max 5°C on Sat afternoon, min 1°C on Fri afternoon). Winds decreasing (strong winds from the NNW on Fri afternoon, light winds from the NW by Sat 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 |
|---|---|---|---|---|---|
BUOY-KLMW1 | |||||
Kelso Longveiw Airport |  | ||||
SHIP4175 | |||||
BUOY-LOPW1 | |||||
| |||||
SHIP10099 | |||||
SHIP8590 | |||||
SHIP10387 | |||||
BUOY-LOPW1 | |||||
SHIP6100 |
* 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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