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

Mount Si
Weather Forecast, United States

Issued: 9 am Mon 02 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mild at first with light rain (total 5mm) on Tue afternoon followed by colder weather and light fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 6°C on Mon morning, min -1°C on Wed night). Winds increasing (light winds from the W on Mon morning, fresh winds from the SW by Tue morning).

Days 4–6 Weather Summary

A light covering of new snow mostly falling on Thu afternoon. Becoming milder with moderate rain (total 19mm) heaviest on Fri night. Freeze-thaw conditions (max 3°C on Sat morning, min -2°C on Thu morning). Winds increasing (light winds from the WNW on Fri morning, fresh winds from the WSW by Fri night).

Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
rain showers
light rain
light snow
light snow
light snow
snow showers
light snow
cloud
light snow
light snow
cloud
cloud
light snow
mod rain
light rain
light snow
clear
clear
rain shwrs
light rain
light snow
light snow
light snow
snow shwrs
light snow
cloudy
light snow
light snow
cloudy
cloudy
light snow
mod. rain
light rain
light snow
 km/h
5
W
5
WSW
15
SSW
35
SW
30
SW
35
SW
10
SW
20
W
15
NW
15
WSW
30
SW
10
WNW
5
WNW
10
SW
35
WSW
25
SW
20
SW
15
SW
2
5
1
2
5
1
2
1
1
0.2
3
2
10
5
3
1.4
max °C
6
6
4
3
2
2
1
1
0
-2
-1
-1
1
1
2
3
3
3
min °C
5
5
3
3
2
1
1
1
-1
-2
-2
-1
0
1
1
3
3
0
3
3
-1
-3
-4
-4
-3
-4
-6
-7
-9
-5
-2
-2
-5
-2
-1
-5
2300
2300
2150
1800
1650
1600
1400
1450
1200
1000
1000
1100
1250
1400
1950
2300
2100
1500
Cloud base (m)
8950
6450
850
550
400
400
600
700
450
450
450
450
550
750
450
450
400
450
Sea lvl1000m2000m3000m4000m5000m
66432211-1-2-2-111233211108877774334777776
Sunrise
6:45
6:43
6:41
6:39
6:37
6:35
Sunset
5:52
5:54
5:55
5:58
5:59
6:00

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mild at first with light rain (total 5mm) on Tue afternoon followed by colder weather and light fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 6°C on Mon morning, min -1°C on Wed night). Winds increasing (light winds from the W on Mon morning, fresh winds from the SW by Tue morning).

Mount Si Weather (Days 3-6):

A light covering of new snow mostly falling on Thu afternoon. Becoming milder with moderate rain (total 19mm) heaviest on Fri night. Freeze-thaw conditions (max 3°C on Sat morning, min -2°C on Thu morning). Winds increasing (light winds from the WNW on Fri morning, fresh winds from the WSW by Fri night).

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
6 km SSW
251m alt.
41 minutes ago
15° C
Dry
0
Calm
(0 kph at 329).
0
32 km SSW
192m alt.
1 hour ago
-
Wind obs. (11 kph from 232 degs) was rejected.
36 km WSW
218m alt.
2 hours ago
13° C
clear
Clear
9
Light winds from the SSE
(9 kph at 150).
16 km
39 km SW
119m alt.
48 minutes ago
-
3
Calm
(3 kph at 243).
18
40 km SE
628m alt.
1 hour ago
9° C
clear
Clear
Wind obs. (11 kph from 1 degs) was rejected.
16 km
Seattl / oeing Airport
44 km WSW
218m alt.
2 hours ago
13° C
clear
Clear
7
Light winds from the WSW
(7 kph at 240).
16 km
44 km WSW
218m alt.
2 hours ago
12° C
partially cloudy
Dry and partly cloudy.
11
Light winds from the S
(11 kph at 190).
16 km
Low: scattered
49 km NW
196m alt.
1 hour ago
13° C
Dry
5
Calm
(5 kph at 263).
16
49 km WSW
100m alt.
2 hours ago
21° C
-
Wind obs. (16 kph from 145 degs) was rejected.
SHIP1798
54 km W
15m alt.
3 hours ago
9
Light winds from the SW
(10 kph at 220).
- 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