– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Sat 07 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 07 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 25mm), heaviest during Sat afternoon. Mild temperatures (max 8°C on Sat afternoon, min 2°C on Sun night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Fri morning. Mild temperatures (max 8°C on Wed morning, min 2°C on Tue night). Wind will be generally light.
	Sat 7		Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	rain shwrs	cloudy	some clouds	rain shwrs	mod. rain	light rain	rain shwrs	cloudy	some clouds	clear	clear	clear	some clouds	cloudy	some clouds	light rain
km/h	S	SW	ENE	WNW	S	SSW	SW	ESE	ESE	ESE	E	ESE	SW	SSE	SW	SW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	14	4	—	—	0.2	5	1.1	0.1	—	—	—	—	—	—	—	—	1.7
max °C	8	7	6	6	3	3	4	3	8	7	2	8	7	3	6	5	3
min °C	7	4	6	3	2	3	4	2	6	3	2	6	4	2	5	3	3
chill °C	4	3	6	3	1	0	3	0	4	0	0	6	4	0	3	1	2

Freezing level m	1800	1400	1500	1400	950	1000	1100	1150	1650	1600	1500	1600	1700	1500	1150	1150	1050
Cloud base (m)	400	550			750	600	450	600	6300	5600	400		9050	9100	850	2150	650

	—	—	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 25mm), heaviest during Sat afternoon. Mild temperatures (max 8°C on Sat afternoon, min 2°C on Sun night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Fri morning. Mild temperatures (max 8°C on Wed 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. 1 hour ago	10° C	Dry	Calm (0 kph at 5).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (2 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	11° C	Dry and cloudy.	Light winds from the SSE (7 kph at 150).	16 km Low: scattered Mid: broken High: overcast
Auburn 39 km SW 119m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 196).
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	12° C	Dry and partly cloudy.	Light winds from the SSW (19 kph at 200).	16 km Low: few Mid: broken
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	10° C	Light rain .	Moderate winds from the S (20 kph at 190).	16 km Low: few Mid: broken High: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	11° C	Dry	Light winds from the SE (11 kph at 146).
SHIP7600 54 km W 15m alt. 3 hours ago			Light winds from the SSE (12 kph at 160).	- km
SHIP6613 54 km W 15m alt. 3 hours ago			Light winds from the S (13 kph at 170).	- 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.