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

Mount Si
Weather Forecast, United States

Issued: 4 pm Sun 08 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mild at first with light rain (total 10mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Mild with heavy rain (total 34mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Thu afternoon. Mild temperatures (max 8°C on Wed night, min 1°C on Thu afternoon). Winds decreasing (strong winds from the SW on Wed afternoon, calm by Fri night).

Sun
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light snow
light snow
light snow
light snow
light snow
cloud
mod snow
mod rain
heavy rain
heavy rain
light rain
mod snow
mod snow
light snow
light snow
cloud
light rain
light snow
light snow
light snow
light snow
light snow
cloudy
mod. snow
mod. rain
heavy rain
heavy rain
light rain
mod. snow
mod. snow
light snow
light snow
cloudy
 km/h
5
NW
25
WSW
10
SW
25
SW
15
SW
10
SW
10
SSW
15
SSW
25
SW
40
SW
30
SW
25
WSW
15
WSW
10
SW
10
SW
5
SW
5
W
2
3
2
4
1
6
6
8
3
1
4
6
14
17
2
max °C
3
1
0
1
0
0
2
1
4
6
8
3
2
1
1
2
1
min °C
2
-1
-1
1
-2
-2
1
1
2
6
3
2
1
1
1
2
1
0
-5
-5
-4
-6
-5
-3
-4
-3
1
-3
-3
-3
-2
-2
0
1
750
450
450
600
300
500
650
750
1200
1700
1000
800
750
750
700
800
750
Cloud base (m)
400
400
450
450
450
450
650
450
400
400
450
500
450
400
450
550
750
Sea lvl1000m2000m3000m4000m5000m
-3-6-7-5-7-7-5-3-121-3-3-3-4-3-330-11-1-121366321121
Sunrise
7:31
7:30
7:28
7:26
7:24
Sunset
8:00
7:02
7:04
7:06
7:07
7:08

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mild at first with light rain (total 10mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Mon night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mild with heavy rain (total 34mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Thu afternoon. Mild temperatures (max 8°C on Wed night, min 1°C on Thu afternoon). Winds decreasing (strong winds from the SW on Wed afternoon, calm by Fri 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 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
6 km SSW
251m alt.
1 hour ago
5° C
Dry
0
Calm
(0 kph at 355).
0
32 km SSW
192m alt.
2 hours ago
-
2
Calm
(2 kph at 107).
8
36 km WSW
218m alt.
2 hours ago
7° C
partially cloudy
Dry and partly cloudy.
6
Light winds from the N
(6 kph at 1).
16 km
Low: broken
Mid: broken
39 km SW
119m alt.
35 minutes ago
4° C
Dry
0
Calm
(0 kph at 95).
0
40 km SE
628m alt.
2 hours ago
-3° C
moderate rain
Moderate rain .
9
Light winds from the N
(9 kph at 1).
16 km
Low: scattered
Mid: broken
High: overcast
Seattl / oeing Airport
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: broken
44 km WSW
218m alt.
2 hours ago
7° C
clear
-
22
Moderate winds from the SW
(22 kph at 220).
16 km
Low: few
49 km NW
196m alt.
59 minutes ago
6° C
Dry
Wind obs. (13 kph from 209 degs) was rejected.
SHIP3068
54 km W
15m alt.
3 hours ago
9
Light winds from the E
(10 kph at 90).
- km
SHIP3237
54 km W
15m alt.
3 hours ago
9
Light winds from the E
(10 kph at 90).
- 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