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

Mount Si
Weather Forecast, United States

Issued: 4 am Fri 28 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Sat morning. Very mild (max 11°C on Fri afternoon, min 5°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 32mm), heaviest during Wed morning. Very mild (max 13°C on Mon afternoon, min 4°C on Wed night). Winds increasing (calm on Mon morning, strong winds from the SW by Wed morning).

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
rain showers
mod rain
rain showers
rain showers
light rain
cloud
clear
clear
part cloud
clear
clear
part cloud
mod rain
heavy rain
light rain
mod rain
rain shwrs
rain shwrs
rain shwrs
mod. rain
rain shwrs
rain shwrs
light rain
cloudy
clear
clear
some clouds
clear
clear
some clouds
mod. rain
heavy rain
light rain
mod. rain
Cloud base (m)
450
800
600
400
450
750
700
1800
3450
9350
2450
600
400
400
600
km/h
0
W
10
W
15
SW
20
WSW
15
WSW
15
SW
15
SW
5
WNW
10
N
0
S
5
WNW
5
WNW
10
SW
20
WSW
35
SW
35
SW
20
SW
20
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.3
0.2
1.5
8
3
1.1
0.1
8
14
2
8
max °C
8
11
10
6
8
8
6
9
10
12
13
12
10
12
8
7
6
6
min °C
8
9
6
6
6
5
5
8
9
10
12
10
10
12
6
7
6
4
 chill °C
8
9
2
2
2
2
2
7
8
10
12
10
9
10
1
2
2
0
Freezing level m
3300
3200
2550
2200
2400
2700
3100
3300
3700
3600
3600
3550
3500
3300
2900
2400
2250
1950
Sea lvl1000m2000m3000m4000m5000m
8108677691011131110127765131713101312111413152014151913121210
Sunrise
6:18
6:20
6:22
6:22
6:24
6:26
Sunset
7:54
7:52
7:51
7:49
7:46
7:45

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 14mm), heaviest on Sat morning. Very mild (max 11°C on Fri afternoon, min 5°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 32mm), heaviest during Wed morning. Very mild (max 13°C on Mon afternoon, min 4°C on Wed night). Winds increasing (calm on Mon morning, strong 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 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
30 km WSW
160m alt.
1 hour ago
14°C
Dry
0
Calm
(0 kph at 58).
0
32 km SSW
192m alt.
40 minutes ago
-
3
Calm
(3 kph at 130).
13
36 km WSW
218m alt.
2 hours ago
16°C
cloudy
Dry and cloudy.
0
Calm
(0 kph at 0).
16 km
Low: overcast
39 km SW
119m alt.
1 hour ago
17°C
Dry
0
Calm
(0 kph at 121).
0
44 km NW
80m alt.
40 minutes ago
-
0
Calm
(0 kph at 257).
0
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
16°C
cloudy
Dry and cloudy.
0
Calm
(0 kph at 0).
16 km
Low: few
Mid: overcast
44 km WSW
218m alt.
2 hours ago
14°C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: few
Mid: scattered
High: broken
BUOY-EBSW1
46 km W
3m alt.
1 hour ago
49 km NW
196m alt.
3 hours ago
13°C
Dry
0
Calm
(0 kph at 240).
3
49 km WSW
100m alt.
58 minutes ago
24°C
-
0
Calm
(0 kph at 76).

* 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