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

Mount Si
Weather Forecast, United States

Issued: 10 am Fri 28 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Sat morning. Very mild (max 18°C on Fri afternoon, min 10°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 31mm), heaviest during Wed morning. Warm (max 21°C on Mon afternoon, min 9°C on Wed night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
rain showers
mod rain
rain showers
rain showers
light rain
cloud
part cloud
clear
part cloud
clear
clear
rain showers
mod rain
heavy rain
rain showers
rain showers
rain shwrs
rain shwrs
rain shwrs
mod. rain
rain shwrs
rain shwrs
light rain
cloudy
some clouds
clear
some clouds
clear
clear
rain shwrs
mod. rain
heavy rain
rain shwrs
rain shwrs
Cloud base (m)
450
900
650
450
500
800
700
1900
3450
8700
3350
2000
750
400
1450
km/h
5
W
10
W
5
SW
10
SW
5
WSW
5
SW
5
SW
5
WNW
5
ENE
0
W
5
WNW
5
SSE
5
WSW
10
WSW
10
SW
15
SSW
15
SW
10
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.5
0.2
2
7
3
0.7
0.1
0.1
6
17
5
3
max °C
14
18
15
10
14
13
12
14
13
18
21
17
16
19
14
11
13
11
min °C
13
17
10
10
12
10
10
14
11
14
21
12
13
17
12
11
12
9
 chill °C
13
17
9
8
12
10
10
14
11
14
21
12
12
17
11
9
10
7
Freezing level m
3300
3250
2450
2100
2400
2750
3100
3100
3600
3600
3700
3400
3200
2900
2950
2500
2300
2000
Sea lvl1000m2000m3000m4000m5000m
911867768101214129128776141813101312111412162115151813111310
Sunrise
6:18
6:20
6:22
6:22
6:24
6:26
Sunset
7:54
7:52
7:51
7:49
7:46
7:45

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 13mm), heaviest on Sat morning. Very mild (max 18°C on Fri afternoon, min 10°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 31mm), heaviest during Wed morning. Warm (max 21°C on Mon afternoon, min 9°C on Wed 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
18°C
Dry
Wind obs. (6 kph from 217 degs) was rejected.
30 km WSW
160m alt.
2 hours ago
17°C
Dry
0
Calm
(0 kph at 297).
0
32 km SSW
192m alt.
3 hours ago
-
5
Calm
(5 kph at 76).
13
36 km WSW
218m alt.
1 hour ago
18°C
cloudy
Dry and cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
Mid: broken
High: overcast
39 km SW
119m alt.
1 hour ago
-
0
Calm
(0 kph at 266).
5
SHIP9342
43 km W
15m alt.
2 hours ago
- km
SHIP9397
43 km W
3m alt.
2 hours ago
17°C
SHIP7160
43 km W
15m alt.
2 hours ago
- km
SHIP3499
43 km W
15m alt.
2 hours ago
- km
SHIP7827
43 km W
15m alt.
58 minutes 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