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

Mount Si
Weather Forecast, United States

Issued: 3 am Thu 05 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Heavy rain (total 42mm), heaviest during Fri night. Mild temperatures (max 8°C on Fri night, min 3°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 15mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 8°C on Sun morning, min -2°C on Tue night). Wind will be generally light.

Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
mod rain
light rain
mod rain
heavy rain
light rain
light rain
mod rain
light rain
light rain
light rain
light snow
mod snow
mod snow
light snow
snow showers
light snow
rain shwrs
light rain
mod. rain
light rain
mod. rain
heavy rain
light rain
light rain
mod. rain
light rain
light rain
light rain
light snow
mod. snow
mod. snow
light snow
snow shwrs
light snow
 km/h
10
SW
5
WNW
5
SW
5
SW
5
WSW
10
WSW
10
WSW
10
WSW
20
SW
25
SW
25
SW
15
SW
25
WSW
25
W
15
WSW
10
WSW
10
SW
10
SSE
1
6
6
2
1
5
1.5
1.1
7
4
5
11
0.4
3
9
5
3
2
4
max °C
4
4
4
6
6
8
8
8
8
8
8
4
2
2
-1
1
1
-1
min °C
3
4
4
5
6
7
8
8
8
8
6
1
1
-1
-1
-1
-1
-2
1
4
3
5
5
6
6
6
6
5
2
-4
-4
-4
-6
-4
-4
-6
950
1100
1100
1550
1700
2250
2750
2550
2350
1950
1750
900
650
700
350
400
650
200
Cloud base (m)
450
450
550
450
450
450
450
450
400
400
400
400
450
450
400
450
450
1650
Sea lvl1000m2000m3000m4000m5000m
-2-1023454432-3-5-5-7-7-6-544466888887321-100-2
Sunrise
6:39
6:37
6:35
7:33
6:31
6:28
Sunset
5:58
5:59
6:00
7:01
6:02
6:05

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 42mm), heaviest during Fri night. Mild temperatures (max 8°C on Fri night, min 3°C on Thu morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 15mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 8°C on Sun morning, min -2°C on Tue night). Wind will be generally light.

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
6° C
Dry
0
Calm
(0 kph at 353).
0
32 km SSW
192m alt.
1 hour ago
-
3
Calm
(3 kph at 0).
6
36 km WSW
218m alt.
2 hours ago
7° C
light rain
Light rain .
0
Calm
(0 kph at 0).
10 km
Mid: overcast
39 km SW
119m alt.
37 minutes ago
4° C
Dry
0
Calm
(0 kph at 92).
0
40 km SE
628m alt.
2 hours ago
-1° C
light snow
Light snow.
13
Light winds from the W.(Wind varies from 210 to 340 degs)
(13 kph at 260).
1 km
SHIP9671
42 km WSW
15m alt.
40 minutes ago
5
Calm
(6 kph at 180).
- km
SHIP4872
42 km WSW
3m alt.
3 hours ago
7° C
5
Calm
(5 kph at 180).
SHIP9895
42 km WSW
15m alt.
2 hours ago
8
Light winds from the SSE
(8 kph at 160).
- km
SHIP7485
42 km WSW
15m alt.
2 hours ago
8
Light winds from the SSE
(8 kph at 160).
- km
SHIP10221
42 km WSW
15m alt.
3 hours ago
5
Calm
(6 kph at 180).
- 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