Mount Si weather
– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States

Issued: 3 pm Fri 09 Jan Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A dusting of snow. Milder later with heavy rain (total 29mm) on Sat night. Mild temperatures (max 6°C on Sun afternoon, min 2°C on Sat afternoon). Winds increasing (light winds from the SW on Fri afternoon, near gales from the SW by Sun night).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 11°C on Tue afternoon, min 3°C on Wed night). Winds increasing (light winds from the SW on Tue morning, fresh winds from the SW by Wed morning).

Fri
9
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
cloud
light snow
heavy rain
light rain
light rain
mod rain
light rain
rain showers
part cloud
clear
clear
clear
clear
light rain
rain showers
some clouds
some clouds
cloudy
light snow
heavy rain
light rain
light rain
mod. rain
light rain
rain shwrs
some clouds
clear
clear
clear
clear
light rain
rain shwrs
 km/h
20
SW
25
SW
30
SSW
35
SW
20
SSW
35
SW
40
SW
45
SW
30
WSW
30
WSW
20
SW
10
SW
5
SW
10
SW
25
SW
30
WSW
5
NNW
2
12
4
1.9
8
4
0.5
2
0.5
max °C
4
5
5
4
3
5
6
6
6
7
8
10
11
10
8
4
5
min °C
4
4
5
2
2
4
5
5
6
7
7
9
10
8
7
4
3
0
-1
0
-4
-4
-2
-1
-1
1
3
3
7
9
5
2
-1
0
2050
2300
2250
2000
1950
2150
2500
2450
2400
2700
3000
3300
3600
3450
3150
2000
2050
Cloud base (m)
4450
4400
3550
3350
650
450
450
800
500
500
800
1000
9000
9100
850
650
Sea lvl1000m2000m3000m4000m5000m
455335666781011984465966889101011131291297
Sunrise
7:52
7:52
7:50
7:50
7:50
Sunset
4:35
4:36
4:37
4:38
4:39
4:42

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A dusting of snow. Milder later with heavy rain (total 29mm) on Sat night. Mild temperatures (max 6°C on Sun afternoon, min 2°C on Sat afternoon). Winds increasing (light winds from the SW on Fri afternoon, near gales from the SW by Sun night).

Mount Si Weather (Days 3-6):

Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 11°C on Tue afternoon, min 3°C on Wed night). Winds increasing (light winds from the SW on Tue morning, fresh winds from the SW by Wed morning).

This table gives the weather forecast for Mount Si at the specific elevation of 1270 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.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
6 km SSW
251m alt.
1 hour ago
6° C
Dry
0
Calm
(0 kph at 78).
0
32 km SSW
192m alt.
2 hours ago
7° C
Dry
3
Calm
(3 kph at 276).
11
36 km WSW
218m alt.
2 hours ago
7° C
clear
Clear
0
Calm
(0 kph at 0).
16 km
39 km SW
119m alt.
2 hours ago
1° C
-
0
Calm
(0 kph at 128).
0
40 km SE
628m alt.
1 hour ago
-1° C
moderate rain
Moderate rain .
6
Light winds from the N
(6 kph at 1).
6 km
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
9° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
44 km WSW
218m alt.
2 hours ago
7° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: few
Mid: scattered
High: broken
49 km NW
196m alt.
1 hour ago
6° C
Dry
3
Calm
(3 kph at 5).
11
49 km WSW
100m alt.
2 hours ago
-
SHIP10016
54 km W
15m alt.
3 hours ago
10° C
5
Calm
(6 kph at 140).
- km

* 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.

Mount Si Photos