– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Sat 27 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sat 27 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon morning, min -1°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 8°C on Wed morning, min 4°C on Tue afternoon). Wind will be generally light.
	Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 31			Thursday 1
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	snow shwrs	some clouds	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds
km/h	N	SW	WSW	NE	NNE	ENE	ENE	ENE	E	SE	SE	SE	SSE	SSE	SSE	SSE	S	S
See all weather maps
cm	—	—	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	0	0	2	2	1	5	3	2	6	5	5	8	6	5	8	6	5
min °C	-1	-1	-1	0	0	0	3	2	2	5	4	5	7	5	4	7	6	4
chill °C	-1	-1	-1	0	0	-2	3	2	1	4	3	4	6	4	3	6	5	0

Freezing level m	350	500	500	550	850	850	1950	2150	3000	2850	2900	2800	2850	2900	3000	2800	2300	2000
Cloud base (m)	450	450	450	550	600	650	850	500	450	900	450	2650	2800	450	5900	4950	4750	5200

	7:54	—	—	7:54	—	—	7:54	—	—	7:54	—	—	7:54	—	—	7:54	—	—
	—	4:22	—	—	4:22	—	—	4:22	—	—	4:23	—	—	4:24	—	—	4:25	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon morning, min -1°C on Sat morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Wed morning, min 4°C on Tue afternoon). 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 2 hours ago	-2° C	-	Calm (0 kph at 1).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (5 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	2° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: overcast
Auburn 39 km SW 119m alt. 51 minutes ago	7° C	Dry	Calm (0 kph at 144).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	-5° C	-	Light winds from the W (9 kph at 280).	0.0 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	3° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: few Mid: scattered High: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	3° C	Dry and cloudy.	Light winds from the N (9 kph at 0).	16 km Low: broken Mid: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	-1° C	-	Wind obs. (14 kph from 17 degs) was rejected.
Seattle 49 km WSW 100m alt. 1 hour ago		-	Wind obs. (10 kph from 288 degs) was rejected.
BUOY-WPOW1 55 km W 3m alt. 55 minutes ago	4° C		Moderate winds from the NNW (21 kph at 340).

* 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.