– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Mon 02 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Mon 02 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 40mm), heaviest during Tue night. Very mild (max 11°C on Mon afternoon, min 3°C on Wed night). Wind will be generally light.											Days 5–7 Weather Summary Moderate rain (total 10mm), heaviest on Thu afternoon. Mild temperatures (max 7°C on Fri morning, min 3°C on Thu afternoon). Wind will be generally light.
	Mon 2		Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	light rain	mod. rain	heavy rain	light rain	rain shwrs	mod. rain	light rain	light rain	rain shwrs	light rain	some clouds	light rain	light rain	light rain	light rain
km/h	WSW	SSE	SSW	SW	SSW	SW	NW	W	SW	NNW	WNW	NW	NW	SSW	SW	SW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	3	5	13	4	3	9	3	1.7	0.5	0.1	—	1.2	1.3	1.1	4
max °C	11	8	8	7	7	6	6	5	3	3	3	7	7	6	7	7	7
min °C	8	6	7	7	5	5	5	3	3	3	3	5	5	5	7	7	7
chill °C	8	6	5	4	3	5	3	1	0	1	1	5	5	5	6	6	6

Freezing level m	2300	2100	1750	1700	1500	1350	1400	1250	1000	1000	950	1150	1450	1700	3000	2300	1950
Cloud base (m)	6500		550	400	400	400	450	500	500	450	450	700	750	750	450	450	450

	—	—	6:43	—	—	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—
	5:52	—	—	5:54	—	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 40mm), heaviest during Tue night. Very mild (max 11°C on Mon afternoon, min 3°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 10mm), heaviest on Thu afternoon. Mild temperatures (max 7°C on Fri morning, min 3°C on Thu 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 346).
Black Diamond 32 km SSW 192m alt. 36 minutes ago		-	Wind obs. (6 kph from 226 degs) was rejected.
Renton Airport 36 km WSW 218m alt. 2 hours ago	11° C	Clear	Calm (0 kph at 0).	16 km
Auburn 39 km SW 119m alt. 39 minutes ago	13° C	Dry	Calm (0 kph at 115).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	4° C	Clear	Wind obs. (6 kph from 210 degs) was rejected.	16 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	12° C	Clear	Light winds from the S (6 kph at 170).	16 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	12° C	-	Light winds from the SSE (9 kph at 160).	16 km Low: few Mid: few High: scattered
Snohomish 49 km NW 196m alt. 27 minutes ago	3° C	Dry	Calm (0 kph at 102).
SHIP4000 54 km W 15m alt. 2 hours ago			Calm (4 kph at 120).	- km
SHIP7657 54 km W 3m alt. 3 hours ago	13° C		Calm (4 kph at 120).

* 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.