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

Mount Si
Weather Forecast, United States

Issued: 3 pm Mon 24 Nov Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A light fall of snow, heaviest on Tue afternoon. Turning milder with light rain (total 3mm) on Tue night. Freeze-thaw conditions (max 5°C on Wed night, min -2°C on Mon afternoon). Winds increasing (light winds from the SSW on Mon night, strong winds from the SSW by Thu morning).

Days 5–7 Weather Summary

Light rain (total 4mm) on Thu afternoon. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -1°C on Fri night). Winds decreasing (severe gales from the SSW on Thu afternoon, calm by Sat afternoon).

Mon
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
cloud
light snow
mod snow
light snow
cloud
cloud
light rain
light rain
light snow
heavy snow
cloud
cloud
heavy snow
light snow
part cloud
part cloud
light snow
cloudy
light snow
mod. snow
light snow
cloudy
cloudy
light rain
light rain
light snow
heavy snow
cloudy
cloudy
heavy snow
light snow
some clouds
some clouds
 km/h
20
SW
5
S
15
SE
15
SSW
25
SSW
10
SW
10
S
15
S
40
SSW
60
SSW
35
WSW
15
WSW
15
SW
35
SW
5
NNW
5
NE
5
ESE
 cm 
1
3
8
5
1
13
11
1
 mm 
1.2
1.3
0.6
4
max°C
-2
-1
-1
1
3
4
4
5
4
3
2
1
0
0
-1
-1
0
min°C
-2
-2
-2
0
1
3
4
4
2
2
1
0
0
-1
-1
-1
-1
chill°C 
-8
-4
-7
-5
-4
0
2
0
-5
-6
-6
-4
-5
-8
-3
-3
-3
Freezing level (m
1000
950
950
1350
1700
1950
2200
2300
2000
1650
1450
1400
1250
1350
1050
1100
1050
Cloud base (m)
450
750
2350
450
450
550
950
1600
700
600
450
450
450
400
400
400
600
Sea lvl1000m2000m3000m4000m5000m
-2-2-21244533210-1-1-1-133345866676554442
Sunrise
7:26
7:26
7:28
7:30
7:31
Sunset
4:22
4:21
4:20
4:20
4:19
4:17

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A light fall of snow, heaviest on Tue afternoon. Turning milder with light rain (total 3mm) on Tue night. Freeze-thaw conditions (max 5°C on Wed night, min -2°C on Mon afternoon). Winds increasing (light winds from the SSW on Mon night, strong winds from the SSW by Thu morning).

Mount Si Weather (Days 3-6):

Light rain (total 4mm) on Thu afternoon. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -1°C on Fri night). Winds decreasing (severe gales from the SSW on Thu afternoon, calm by Sat afternoon).

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.
57 minutes ago
5° C
Dry
0
Calm
(0 kph at 287).
0
32 km SSW
192m alt.
1 hour ago
10° C
Dry
0
Calm
(0 kph at 0).
0
36 km WSW
218m alt.
3 hours ago
6° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: scattered
39 km SW
119m alt.
1 hour ago
3° C
Dry
0
Calm
(0 kph at 43).
0
40 km SE
628m alt.
2 hours ago
-2° C
light snow
Light snow.
0
Calm
(0 kph at 0).
5 km
Mid: scattered
High: broken
Seattl / oeing Airport
44 km WSW
218m alt.
3 hours ago
7° C
partially cloudy
Dry and partly cloudy.
13
Light winds from the SSE
(13 kph at 150).
16 km
Low: broken
Mid: broken
44 km WSW
218m alt.
3 hours ago
6° C
partially cloudy
Dry and partly cloudy.
11
Light winds from the S
(11 kph at 170).
16 km
Low: broken
49 km NW
196m alt.
2 hours ago
7° C
Dry
2
Calm
(2 kph at 162).
6
49 km WSW
100m alt.
58 minutes ago
-
SHIP4337
54 km W
15m alt.
3 hours ago
8
Light winds from the S
(8 kph at 180).
- 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