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

Mount Si
Weather Forecast, United States

Issued: 3 am Sat 07 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Moderate rain (total 18mm), heaviest on Sun morning giving way to a moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sat afternoon, min -2°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mild with heavy rain (total 37mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Thu night. Freeze-thaw conditions (max 7°C on Wed night, min -2°C on Thu night). Winds decreasing (strong winds from the SW on Wed night, light winds from the SW by Thu night).

Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
mod rain
mod rain
light rain
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light rain
light rain
heavy rain
light snow
snow showers
mod snow
light rain
light rain
mod. rain
mod. rain
light rain
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light rain
light rain
heavy rain
light snow
snow shwrs
mod. snow
 km/h
10
WSW
15
WSW
20
SW
10
W
20
SW
20
SW
10
WSW
25
WSW
10
SW
15
WSW
15
SW
10
SSW
20
SSW
35
SSW
45
SW
25
WSW
30
WSW
10
WSW
4
3
2
3
2
1
1
1
2
6
1.8
4
6
6
0.3
4
3
28
1.9
max °C
8
9
8
5
5
0
1
1
-1
1
2
1
5
6
7
2
2
-1
min °C
8
9
7
4
1
-1
-1
0
-2
0
0
0
3
5
2
2
-1
-2
6
7
3
2
-2
-5
-5
-5
-6
-4
-3
-4
-2
0
-3
-4
-6
-5
2800
2900
2150
1300
1100
450
450
600
300
450
750
600
1150
1450
1650
750
700
300
Cloud base (m)
450
450
400
400
400
500
450
500
450
500
500
450
450
400
400
450
600
450
Sea lvl1000m2000m3000m4000m5000m
553-1-3-6-6-6-7-6-5-302-1-4-6-789853-101-211146521-2
Sunrise
6:35
7:33
6:31
6:28
6:26
6:24
Sunset
6:00
7:01
6:02
6:05
6:06
6:07

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 18mm), heaviest on Sun morning giving way to a moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sat afternoon, min -2°C on Mon night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mild with heavy rain (total 37mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Thu night. Freeze-thaw conditions (max 7°C on Wed night, min -2°C on Thu night). Winds decreasing (strong winds from the SW on Wed night, light winds from the SW by Thu 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
9° C
Dry
0
Calm
(0 kph at 135).
0
32 km SSW
192m alt.
1 hour ago
5° C
Dry
0
Calm
(0 kph at 0).
2
36 km WSW
218m alt.
3 hours ago
11° C
cloudy
Dry and cloudy.
13
Light winds from the SSE
(13 kph at 160).
16 km
Low: overcast
39 km SW
119m alt.
1 hour ago
-
0
Calm
(0 kph at 74).
0
40 km SE
628m alt.
3 hours ago
3° C
light rain
Light rain .
13
Light winds from the W.(Wind varies from 200 to 340 degs)
(13 kph at 260).
1 km
SHIP2499
44 km SW
15m alt.
2 hours ago
- km
Seattl / oeing Airport
44 km WSW
218m alt.
3 hours ago
10° C
cloudy
Dry and cloudy.
17
Light winds from the SSE
(17 kph at 160).
16 km
Low: overcast
44 km WSW
218m alt.
2 hours ago
9° C
cloudy
Dry and cloudy.
19
Light winds from the S
(19 kph at 190).
16 km
Low: scattered
Mid: overcast
49 km NW
196m alt.
2 hours ago
9° C
Dry
2
Calm
(2 kph at 177).
8
SHIP5876
51 km SW
15m alt.
4 hours ago
- 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