– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 pm Fri 06 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Fri 06 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 34mm), heaviest during Sat afternoon. Mild temperatures (max 9°C on Fri night, min 3°C on Sun night). Wind will be generally light.										Days 5–7 Weather Summary Some drizzle, heaviest during Thu afternoon. Mild temperatures (max 8°C on Tue morning, min 2°C on Mon night). Wind will be generally light.
		Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	mod. rain	heavy rain	rain shwrs	cloudy	rain shwrs	rain shwrs	rain shwrs	light rain	clear	clear	clear	clear	rain shwrs	rain shwrs	some clouds	light rain	light rain	light snow
km/h	S	S	SSW	SW	W	WNW	SW	SW	SSW	ESE	ESE	W	SSE	WSW	SW	SSW	SSW	SSW	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2
mm	—	8	17	3	—	0.2	1.8	3	0.5	—	—	—	—	0.2	0.1	—	0.3	0.5	1.5
max °C	9	8	7	7	7	6	4	4	4	3	8	7	3	5	6	4	6	6	4
min °C	9	8	7	5	6	4	3	3	4	2	6	4	2	4	3	3	5	4	2
chill °C	8	6	4	5	6	4	1	1	3	2	6	3	1	4	3	3	3	2	2

Freezing level m	2250	2000	1900	1550	1450	1350	1150	1000	1150	1000	1500	1550	1250	1150	1200	1100	1150	1200	1150
Cloud base (m)	3000	900	400	450	6050	600	500	450	450	700	6000	5650		650	600	700	600	650	500

	—	7:24	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:18	—	—	7:16	—	—
	—	—	5:17	—	—	5:19	—	—	5:21	—	—	5:22	—	—	5:23	—	—	5:24	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 34mm), heaviest during Sat afternoon. Mild temperatures (max 9°C on Fri night, min 3°C on Sun night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Some drizzle, heaviest during Thu afternoon. Mild temperatures (max 8°C on Tue morning, min 2°C on Mon 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 57 minutes ago	5° C	Dry	Calm (0 kph at 323).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (0 kph at 136).
Renton Airport 36 km WSW 218m alt. 2 hours ago	6° C	Clear	Light winds from the S (6 kph at 170).	16 km
Auburn 39 km SW 119m alt. 1 hour ago	-2° C	-	Calm (0 kph at 188).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	4° C	Clear	Calm (0 kph at 0).	16 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	6° C	Clear	Light winds from the SSE (11 kph at 150).	16 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	9° C	Dry and partly cloudy.	Light winds from the ESE (7 kph at 110).	16 km Low: scattered Mid: broken
Snohomish 49 km NW 196m alt. 3 hours ago	6° C	Dry	Calm (0 kph at 159).
SHIP8495 54 km W 15m alt. 3 hours ago				- km
SHIP3134 54 km W 15m alt. 2 hours ago			Light winds from the SE (10 kph at 140).	- km

* 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.