– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Tue 25 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 25 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 38mm), heaviest during Tue night. Mild temperatures (max 8°C on Wed morning, min 3°C on Tue morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 7°C on Fri morning, min 2°C on Sat night). Wind will be generally light.
	Tuesday 25			Wednesday 26			Thursday 27			Friday 28			Saturday 29			Sunday 30
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	heavy rain	mod. rain	cloudy	cloudy	light rain	mod. rain	light rain	rain shwrs	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	clear	some clouds	some clouds
km/h	SE	SSE	S	SSE	ESE	ESE	ESE	ESE	NE	W	WNW	ESE	NW	NW	ESE	W	NW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	11	9	—	—	4	6	2	4	—	—	—	—	—	—	—	—	—
max°C	3	4	6	8	7	6	5	5	5	7	7	4	6	5	3	6	4	4
min°C	3	3	4	7	6	5	5	5	5	6	5	3	5	4	2	5	4	3
chill°C	1	1	3	7	5	3	3	5	5	6	5	3	4	4	2	5	3	3

Freezing level (m)	1200	1350	1700	2050	2300	2250	1950	1750	1400	1850	1950	2150	2000	1750	1750	1900	3500	3650
Cloud base (m)	2050	500	450	650	1000	800	650	400	450	550	600		3300	2900	450	8350	2100	1750

	7:26	—	—	7:26	—	—	7:28	—	—	7:30	—	—	7:31	—	—	7:31	—	—
	—	4:21	—	—	4:20	—	—	4:20	—	—	4:19	—	—	4:17	—	—	4:17	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 38mm), heaviest during Tue night. Mild temperatures (max 8°C on Wed morning, min 3°C on Tue morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Mild temperatures (max 7°C on Fri morning, min 2°C on Sat 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 54 minutes ago	4° C	Dry	Calm (0 kph at 267).
Black Diamond 32 km SSW 192m alt. 1 hour ago	15° C	Dry	Calm (5 kph at 71).
Renton Airport 36 km WSW 218m alt. 3 hours ago	6° C	Dry and cloudy.	Light winds from the NW (6 kph at 310).	16 km Low: overcast
Auburn 39 km SW 119m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 45).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	-3° C	Light snow.	Calm (0 kph at 0).	5 km Mid: scattered High: broken
Seattl / oeing Airport 44 km WSW 218m alt. 3 hours ago	7° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 3 hours ago	6° 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. 2 hours ago	4° C	Dry	Calm (0 kph at 158).
Seattle 49 km WSW 100m alt. 1 hour ago		-	Moderate winds from the SSE (21 kph at 161).
SHIP405 54 km W -m alt. 2 hours ago	7° C	-	Light winds from the WNW (6 kph at 290).

* 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.