– Lat/Long: 47.50° N 121.76° W
Little Si
Weather Forecast, United StatesIssued: 3 pm Thu 18 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Thu 18 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 18 Dec Local Time
Updates in:
Update imminent hr min s
Little Si Weather Forecast at 480 mDays 1–4 Weather SummaryHeavy rain (total 28mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 10°C on Thu afternoon, min 0°C on Thu night). Winds decreasing (strong winds from the SW on Thu afternoon, light winds from the S by Sat night). | Days 5–7 Weather SummaryMild at first with light rain (total 6mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 4°C on Mon morning, min 0°C on Mon night). Wind will be generally light. | ||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | | | | |  |  | |  | |
heavy rain | rain shwrs | cloudy | light snow | light snow | light rain | light rain | light rain | rain shwrs | light snow | light snow | light rain | light snow | mod. snow | some clouds | cloudy | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | 1 | 2 | — | — | — | — | 3 | 3 | — | 1 | 7 | — | — | — | |
16 | 1.8 | — | — | 1.7 | 3 | 2 | 2 | 0.6 | 6 | — | 0.1 | 0.2 | — | — | — | — | |
max°C | 10 | 5 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 3 | 2 | 4 | 3 | 2 | 3 | 2 | 2 |
min°C | 7 | 0 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 1 | 3 | 2 | 0 | 2 | 2 | 1 |
2 | -5 | -3 | -3 | -3 | -2 | -1 | -1 | -1 | 0 | -2 | 0 | -2 | -2 | 0 | 1 | -2 | |
2300 | 750 | 700 | 700 | 750 | 800 | 950 | 950 | 1050 | 900 | 750 | 1000 | 1150 | 750 | 750 | 900 | 950 | |
Cloud base (m) | 300 | 650 | 400 | 400 | 450 | 400 | 400 | 400 | 650 | 500 | 400 | 450 | 750 | 400 | 450 | 800 | 1600 |
 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — |
 | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — |
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Little Si Weather (Days 0-3):
The weather forecast for Little Si is: Heavy rain (total 28mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 10°C on Thu afternoon, min 0°C on Thu night). Winds decreasing (strong winds from the SW on Thu afternoon, light winds from the S by Sat night).
Little Si Weather (Days 3-6):
Mild at first with light rain (total 6mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 4°C on Mon morning, min 0°C on Mon night). Wind will be generally light.
This table gives the weather forecast for Little Si at the specific elevation of 480 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Little 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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Seattl / oeing Airport |  | ||||
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BUOY-WPOW1 |
* 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.