– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 10 am Tue 26 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 26 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 26 May Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Tue afternoon. Warm (max 22°C on Thu afternoon, min 7°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 12°C on Sat afternoon, min 4°C on Sat night). Wind will be generally light. | |||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | | | |  |  | | | |
light rain | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | rain shwrs | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.4 | 0.7 | 0.1 | — | — | — | — | — | 0.1 | 0.8 | 1.4 | 0.8 | 0.1 | 0.1 | — | — | 0.2 | — | |
max °C | 8 | 11 | 11 | 15 | 20 | 17 | 20 | 22 | 19 | 9 | 9 | 9 | 9 | 12 | 10 | 8 | 12 | 10 |
min °C | 7 | 9 | 8 | 12 | 18 | 14 | 17 | 22 | 9 | 9 | 9 | 5 | 6 | 11 | 4 | 6 | 10 | 5 |
7 | 8 | 8 | 12 | 18 | 14 | 17 | 22 | 8 | 8 | 8 | 5 | 5 | 10 | 4 | 5 | 9 | 5 | |
1750 | 2400 | 3650 | 3850 | 3950 | 3800 | 3800 | 3950 | 3500 | 2950 | 2500 | 2950 | 1550 | 2200 | 2000 | 1500 | 2000 | 2050 | |
Cloud base (m) | 550 | 500 | 8950 | 850 | 600 | 400 | 450 | 550 | 950 | 2050 | 850 | 900 | 1800 | |||||
 | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — | 5:13 | — | — |
 | — | — | 8:50 | — | — | 8:51 | — | — | 8:52 | — | — | 8:52 | — | — | 8:53 | — | — | 8:54 |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Some drizzle, heaviest during Tue afternoon. Warm (max 22°C on Thu afternoon, min 7°C on Tue morning). Wind will be generally light.
Mount Si Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 12°C on Sat afternoon, min 4°C on Sat 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 |
|---|---|---|---|---|---|
 | |||||
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SHIP7389 |
* 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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