– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 3 am Thu 21 Nov Local TimeUpdates in: hr min sUpdate imminent
Mount SiWeather Forecast, United States
Issued: 3 am Thu 21 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Thu 21 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 10mm), heaviest on Thu night. Mild temperatures (max 8°C on Fri morning, min 3°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 8mm), mostly falling on Mon morning. Mild temperatures (max 5°C on Sun morning, min 2°C on Mon night). Wind will be generally light. | |||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | | | | | | | | | |
cloudy | some clouds | mod. rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | light rain | light rain | light rain | light rain | light rain | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 6 | 3 | 0.3 | 0.2 | 0.6 | 0.5 | 0.2 | 0.3 | 0.1 | 0.2 | 2 | 0.4 | 1.8 | 1.5 | 0.5 | 1.3 | |
max°C | 7 | 6 | 6 | 8 | 7 | 5 | 6 | 5 | 4 | 5 | 4 | 3 | 5 | 4 | 3 | 3 | 3 | 3 |
min°C | 6 | 4 | 4 | 7 | 6 | 3 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 2 |
5 | 2 | 1 | 5 | 5 | 3 | 5 | 3 | 2 | 0 | 1 | 1 | 1 | 3 | 2 | 3 | 3 | 2 | |
1550 | 1600 | 2050 | 2250 | 1750 | 1450 | 1250 | 1200 | 1100 | 1050 | 1200 | 1150 | 1200 | 1300 | 1100 | 1000 | 950 | 950 | |
Cloud base (m) | 1500 | 2050 | 700 | 700 | 1650 | 1850 | 800 | 500 | 1650 | 450 | 1550 | 650 | 400 | 450 | 450 | 450 | 450 | |
 | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — |
 | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:20 | — |
Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Moderate rain (total 10mm), heaviest on Thu night. Mild temperatures (max 8°C on Fri morning, min 3°C on Fri night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Light rain (total 8mm), mostly falling on Mon morning. Mild temperatures (max 5°C on Sun morning, min 2°C on Mon night). 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
SHIP5343 | |||||
SHIP2254 | |||||
SHIP6115 | |||||
SHIP2909 | |||||
SHIP6612 | |||||
SHIP6346 |
* 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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