– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 3 am Sat 22 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Sat 22 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sat 22 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 15mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Sun night. Very mild (max 10°C on Sat morning, min 1°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 114mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Thu morning, min 2°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  | | |  |  | | | | | | |
light rain | light rain | light rain | mod. rain | light rain | snow shwrs | light rain | light rain | rain shwrs | light rain | light rain | heavy rain | heavy rain | heavy rain | heavy rain | mod. rain | heavy rain | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | |
0.1 | 0.6 | 4 | 5 | 1.3 | 0.4 | 0.4 | 1.6 | 0.7 | 0.1 | 1.8 | 28 | 12 | 13 | 24 | 8 | 16 | 12 | |
max°C | 10 | 9 | 8 | 7 | 5 | 3 | 3 | 2 | 2 | 5 | 3 | 4 | 5 | 6 | 8 | 9 | 7 | 7 |
min°C | 9 | 9 | 8 | 7 | 4 | 1 | 3 | 2 | 1 | 4 | 2 | 2 | 4 | 6 | 6 | 8 | 6 | 6 |
8 | 8 | 6 | 4 | 2 | -1 | 1 | 0 | -1 | 3 | -1 | 0 | 0 | 3 | 3 | 6 | 3 | 3 | |
2300 | 2000 | 1900 | 1650 | 1200 | 750 | 900 | 850 | 850 | 1150 | 1300 | 1550 | 2000 | 1950 | 2250 | 1950 | 1800 | 1500 | |
Cloud base (m) | 650 | 650 | 450 | 400 | 500 | 500 | 500 | 600 | 450 | 500 | 2600 | 450 | 450 | 400 | 400 | 400 | 400 | 500 |
 | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — |
 | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:20 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Moderate rain (total 15mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Sun night. Very mild (max 10°C on Sat morning, min 1°C on Sun night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Heavy rain (total 114mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Thu morning, min 2°C on Tue afternoon). Wind will be generally light.
This table gives the weather forecast for Mount Si at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Si. 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
Seattl / oeing Airport | | ||||
| |||||
SHIP7264 | |||||
SHIP8599 |
* 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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