– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 am Sat 07 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sat 07 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 27mm), heaviest during Sat afternoon. Mild temperatures (max 8°C on Sat morning, min 2°C on Mon night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Tue morning, min 2°C on Tue night). Wind will be generally light.
	Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. rain	heavy rain	rain shwrs	some clouds	some clouds	rain shwrs	light rain	rain shwrs	clear	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	cloudy	cloudy
km/h	S	S	SW	SSE	NW	SSW	SW	SSW	ESE	ESE	E	E	WNW	W	SSE	WSW	SW	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	7	12	6	—	—	0.4	0.8	0.3	—	—	—	—	—	—	—	—	—	—
max °C	8	8	7	6	7	4	4	4	3	9	8	3	7	7	2	6	5	3
min °C	8	7	4	6	4	3	3	4	2	6	4	2	6	3	2	4	3	2
chill °C	6	4	4	6	4	3	1	4	0	4	2	2	6	3	2	3	2	2

Freezing level m	2000	1900	1400	1450	1450	1050	1000	1050	1100	1550	1550	1550	1500	1550	1050	1100	1200	1200
Cloud base (m)	850	400	500	6050	550	550	650	450	700	6800	6500	400	9050	800		750	900	2550

	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 27mm), heaviest during Sat afternoon. Mild temperatures (max 8°C on Sat morning, min 2°C on Mon night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Tue morning, min 2°C on Tue 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. 23 minutes ago	11° C	Dry	Calm (0 kph at 50).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (5 kph at 323).
Renton Airport 36 km WSW 218m alt. 2 hours ago	10° C	Light rain .	Light winds from the SE (9 kph at 130).	10 km Mid: overcast
Auburn 39 km SW 119m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 232).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	0° C	Moderate rain .	Calm (0 kph at 0).	0 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	11° C	Light rain .	Light winds from the SSE (7 kph at 160).	10 km Mid: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	10° C	Light rain .	Light winds from the SSE (15 kph at 160).	5 km Mid: broken High: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	11° C	Dry	Wind obs. (8 kph from 203 degs) was rejected.
Seattle 49 km WSW 100m alt. 2 hours ago	18° C	-	Wind obs. (10 kph from 325 degs) was rejected.
SHIP5259 54 km W 15m alt. 3 hours ago			Light winds from the SE (13 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.