– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Sun 01 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 01 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow on Sun morning turning to drizzle on Mon afternoon. Very mild (max 10°C on Tue afternoon, min 1°C on Sun afternoon). Winds decreasing (fresh winds from the SW on Sun afternoon, calm by Mon night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 13°C on Thu morning, min 3°C on Fri night). Wind will be generally light.
	Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	snow shwrs	some clouds	cloudy	light rain	light rain	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	rain shwrs
km/h	SW	SW	SW	SSW	SW	WSW	ESE	S	SSW	SSE	SW	SSE	ESE	ESE	SSE	SW	SW	SW
See all weather maps
cm	4	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.9	0.8	—	—	—	—	—	—	—	—	—	—	—	0.7
max °C	2	2	2	3	4	7	9	10	9	12	12	11	13	13	11	7	5	4
min °C	2	1	1	1	3	4	8	9	8	10	11	10	13	12	7	6	4	3
chill °C	-4	-5	-5	-4	-3	1	8	8	6	10	11	10	12	11	4	2	-1	-2

Freezing level m	1600	1500	1400	1750	1950	2250	3000	3250	3300	3250	3250	3500	3650	3700	3300	2650	2000	2200
Cloud base (m)	800	450	900	2450	800	450	8750	5900	5100	4350	4750			8200	7100	6600		450

	7:31	—	—	7:31	—	—	7:30	—	—	7:28	—	—	7:26	—	—	7:26	—	—
	—	5:07	—	—	5:09	—	—	5:10	—	—	5:13	—	—	5:14	—	—	5:15	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A light covering of new snow on Sun morning turning to drizzle on Mon afternoon. Very mild (max 10°C on Tue afternoon, min 1°C on Sun afternoon). Winds decreasing (fresh winds from the SW on Sun afternoon, calm by Mon night).

Mount Si Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Thu morning, min 3°C on Fri night). Wind will be generally light.

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 Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 26 minutes ago	8° C	Dry	Calm (0 kph at 339).
Black Diamond 32 km SSW 192m alt. 1 hour ago	19° C	Dry	Wind obs. (8 kph from 360 degs) was rejected.
Renton Airport 36 km WSW 218m alt. 2 hours ago	8° C	Moderate rain .	Wind obs. (6 kph from 130 degs) was rejected.	6 km Mid: scattered High: broken
Auburn 39 km SW 119m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 199).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	0° C	-	Wind obs. (6 kph from 190 degs) was rejected.	0.0 km
SHIP2872 43 km W 15m alt. 3 hours ago			Calm (6 kph at 180).	- km
SHIP5905 43 km W 15m alt. 3 hours ago			Calm (6 kph at 180).	- km
SHIP5289 43 km W 15m alt. 3 hours ago			Calm (6 kph at 180).	- km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	8° C	Light rain .	Light winds from the SSE (13 kph at 150).	10 km Low: scattered Mid: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	8° C	Light rain .	Moderate winds from the SSE (24 kph at 150).	6 km Mid: few High: scattered

* 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.