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

Mount Si
Weather Forecast, United States

Issued: 10 am Wed 26 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Heavy rain (total 36mm), heaviest during Wed night. Warm (max 20°C on Wed afternoon, min 2°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 19mm) heaviest on Mon morning, then becoming colder with a dusting of snow on Mon night. Very mild (max 11°C on Sun afternoon, min 2°C on Sat night). Winds increasing (calm on Mon afternoon, fresh winds from the SW by Mon night).

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
heavy rain
light rain
light rain
mod rain
light rain
rain showers
rain showers
mod rain
rain showers
rain showers
cloud
light rain
light rain
rain showers
light rain
light snow
rain shwrs
risk tstorm
heavy rain
light rain
light rain
mod. rain
light rain
rain shwrs
rain shwrs
mod. rain
rain shwrs
rain shwrs
cloudy
light rain
light rain
rain shwrs
light rain
light snow
 km/h
5
SSE
15
ESE
10
SW
5
SE
5
E
15
SSW
10
SSE
15
SW
5
S
10
SW
5
W
10
ESE
15
ESE
10
S
5
S
5
SW
5
NE
25
SW
 cm 
2.0
 mm 
0.3
0.6
14
3
1.9
6
3
4
4
6
1.5
0.1
0.1
1.3
5
0.1
5
max°C
18
20
11
8
11
8
6
7
4
4
6
4
9
11
6
6
10
7
min°C
15
19
8
6
10
7
6
6
2
3
5
2
5
10
4
4
8
2
chill°C 
14
19
7
3
9
4
4
3
-1
0
3
0
2
9
4
2
8
-4
Freezing level (m
3150
3050
1950
1650
1950
1650
1350
1250
950
1050
1250
1550
1650
1700
1400
1200
1700
950
Cloud base (m)
8500
400
450
1500
1400
550
700
700
450
500
700
5400
2300
1850
500
1500
400
Sea lvl1000m2000m3000m4000m5000m
1414525310-2-2-11342-13-117201071186734637115595
Sunrise
6:58
6:56
6:54
6:52
6:50
6:48
Sunset
7:27
7:29
7:30
7:31
7:32
7:34

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 36mm), heaviest during Wed night. Warm (max 20°C on Wed afternoon, min 2°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 19mm) heaviest on Mon morning, then becoming colder with a dusting of snow on Mon night. Very mild (max 11°C on Sun afternoon, min 2°C on Sat night). Winds increasing (calm on Mon afternoon, fresh winds from the SW by Mon night).

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.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
6 km SSW
251m alt.
1 hour ago
14° C
Dry
0
Calm
(0 kph at 348).
0
32 km SSW
192m alt.
58 minutes ago
-
8
Light winds from the WSW
(8 kph at 244).
16
36 km WSW
218m alt.
2 hours ago
11° C
light rain
Light rain .
7
Light winds from the SSE
(7 kph at 150).
16 km
Low: overcast
39 km SW
119m alt.
2 hours ago
23° C
Dry
0
Calm
(0 kph at 338).
6
40 km SE
628m alt.
2 hours ago
7° C
cloudy
Dry and cloudy.
6
Light winds from the N
(6 kph at 1).
16 km
Low: few
Mid: overcast
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
12° C
light rain
Light rain .
7
Light winds from the NNW
(7 kph at 340).
8 km
Mid: scattered
High: broken
44 km WSW
218m alt.
2 hours ago
11° C
clear
Mist -.
9
Light winds from the N
(9 kph at 1).
10 km
Low: broken
Mid: broken
High: broken
49 km WSW
100m alt.
2 hours ago
23° C
-
Wind obs. (13 kph from 157 degs) was rejected.
BUOY-WPOW1
55 km W
3m alt.
1 hour ago
10° C
8
Light winds from the NW
(8 kph at 320).
57 km SSW
160m alt.
2 hours ago
20° C
Dry
0
Calm
(0 kph at 135).
2

* 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