– Lat/Long: 46.20° N 122.18° W
Mount Saint Helens Weather Forecast
Cascade Range · United StatesIssued: 4 am Wed 21 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Wed 21 Oct 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 6°C on Wed afternoon, min -3°C on Thu night). Winds decreasing (near gales from the N on Fri morning, light winds from the WNW by Fri night). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -5°C on Mon night). Winds increasing (light winds from the W on Sat morning, near gales from the SSW by Mon afternoon). | |||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | | | | | | |  |  | |  | | | | |
clear | clear | clear | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 6900 | 8650 | 8950 | 750 | 750 | 6350 | 5350 | 6850 | 3100 | 6300 | 3400 | 4250 | 2900 | 850 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 6 | 5 | 4 | 2 | -2 | -1 | 0 | 1 | 2 | 2 | 3 | 2 | 2 | 2 | 0 | -2 | -3 |
min °C | 5 | 5 | 5 | 3 | 0 | -3 | -1 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 1 | -1 | -2 | -5 |
chill °C | 0 | 0 | 0 | -2 | -5 | -11 | -10 | -8 | -6 | -2 | -2 | -3 | -4 | -4 | -6 | -9 | -11 | -12 |
Freezing level m | 3250 | 3300 | 3250 | 3100 | 2600 | 1300 | 1500 | 2600 | 2700 | 2950 | 3050 | 2950 | 2850 | 2850 | 2750 | 2450 | 2300 | 1950 |
 | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — |
 | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:04 | — |
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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 -3°C on Thu night). Winds decreasing (near gales from the N on Fri morning, light winds from the WNW by Fri night).
Mount Saint Helens Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -5°C on Mon night). Winds increasing (light winds from the W on Sat morning, near gales from the SSW by Mon afternoon).
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 |  | ||||
BUOY-LOPW1 | |||||
 | |||||
Vancouver Airport | | ||||
| |||||
Portland Airport | | ||||
SHIP8603 | |||||
SHIP9797 | |||||
SHIP10957 |
* 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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