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

UsMount Si
Weather Forecast, United States

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Issued: 3 am Sat 24 Feb Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -8°C on Mon night). Winds decreasing (gales from the WSW on Sun afternoon, light winds from the WSW by Mon night).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max 0°C on Wed morning, min -7°C on Tue morning). Winds decreasing (gales from the SSW on Wed morning, light winds from the S by Wed night).

Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light snow
light snow
light snow
light snow
heavy snow
heavy snow
light snow
cloud
snow showers
snow showers
mod snow
light snow
heavy snow
mod snow
light snow
snow showers
cloud
cloudy
light snow
light snow
light snow
light snow
heavy snow
heavy snow
light snow
cloudy
snow shwrs
snow shwrs
mod. snow
light snow
heavy snow
mod. snow
light snow
snow shwrs
cloudy
 km/h
15
SW
25
WSW
45
WSW
55
SW
70
WSW
35
WSW
40
SW
15
NW
5
WSW
15
SSW
25
SW
35
SSW
65
SSW
50
WSW
15
SW
20
SW
30
SW
25
S
Wave Height Map
T washington.wind.15.cc23
T washington.wind.39.cc23
T washington.wind.63.cc23
T washington.wind.87.cc23
T washington.wind.111.cc23
T washington.wind.135.cc23
 cm 
1.0
4
4
4
17
11
4
1.0
2.0
7
5
16
10
4
8
 mm 
max°C
0
1
0
0
0
-6
-6
-7
-8
-6
-5
-1
0
-3
-4
-4
-5
-4
min°C
-1
0
0
0
-4
-7
-7
-7
-8
-7
-5
-5
0
-4
-4
-4
-5
-5
chill°C 
-6
-6
-7
-8
-14
-16
-15
-13
-14
-13
-12
-13
-9
-12
-12
-11
-13
-12
Freezing level (m
1150
1300
1250
1300
1300
300
400
350
0
350
550
650
1200
700
550
650
650
250
Cloud base (m)
750
400
400
400
350
400
400
400
500
450
450
400
350
400
350
350
350
1750
Sea lvl1000m2000m3000m4000m5000m
-1100-2-7-7-7-8-7-5-30-4-4-4-5-545554-1-1-2-5-10141121-2
Sunrise
6:56
6:54
6:52
6:50
6:48
6:47
Sunset
5:44
5:45
5:46
5:49
5:50
5:52

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -8°C on Mon night). Winds decreasing (gales from the WSW on Sun afternoon, light winds from the WSW by Mon night).

Mount Si Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max 0°C on Wed morning, min -7°C on Tue morning). Winds decreasing (gales from the SSW on Wed morning, light winds from the S by Wed 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
30 km ESE
824m alt.
49 minutes ago
2° C
-
0
Calm
(0 kph at 359).
0
32 km SSW
192m alt.
2 hours ago
7° C
Dry
0
Calm
(0 kph at 0).
0
36 km WSW
218m alt.
2 hours ago
7° C
clear
-
6
Light winds from the SSE
(6 kph at 160).
0.0 km
39 km NE
1101m alt.
44 minutes ago
1° C
-
0
Calm
(0 kph at 88).
6
40 km SE
628m alt.
1 hour ago
0° C
cloudy
Dry and cloudy.
Wind obs. (9 kph from 1 degs) was rejected.
16 km
Low: few
Mid: broken
High: overcast

* 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.

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