– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Wed 26 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Wed 26 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 34mm), heaviest during Thu night. Mild temperatures (max 9°C on Wed morning, min 5°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Moderate rain (total 15mm), heaviest on Mon night. Mild temperatures (max 7°C on Sat morning, min 2°C on Sat night). Wind will be generally light.
	Wednesday 26			Thursday 27			Friday 28			Saturday 29			Sunday 30			Monday 1
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	light rain	mod. rain	mod. rain	heavy rain	some clouds	rain shwrs	cloudy	cloudy	some clouds	clear	clear	clear	some clouds	some clouds	light rain	heavy rain
km/h	SSE	SE	SE	SSE	SSE	ENE	E	S	ESE	ESE	NE	ESE	SE	N	NE	NNW	NW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	1.4	6	7	19	—	0.1	—	—	—	—	—	—	—	—	1	14
max°C	9	7	7	7	6	5	8	7	6	7	6	3	7	5	5	7	6	6
min°C	7	7	5	6	6	5	7	6	5	6	4	2	5	4	3	6	5	5
chill°C	7	6	3	4	4	3	7	5	4	6	4	2	5	4	3	6	5	5

Freezing level (m)	1750	2300	2250	1950	1700	1550	1700	1750	2050	1550	1400	1300	1500	1800	3550	3400	2300	1800
Cloud base (m)	600	950	1750	600	500	400	500	700	5300	2050	800	900	750	5250		1800	700	400

	7:26	—	—	7:28	—	—	7:30	—	—	7:31	—	—	7:31	—	—	7:33	—	—
	—	4:20	—	—	4:20	—	—	4:19	—	—	4:17	—	—	4:17	—	—	4:16	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 34mm), heaviest during Thu night. Mild temperatures (max 9°C on Wed morning, min 5°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 15mm), heaviest on Mon night. Mild temperatures (max 7°C on Sat 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. 1 hour ago	5° C	Dry	Calm (0 kph at 162).
Black Diamond 32 km SSW 192m alt. 1 hour ago	14° C	Dry	Calm (5 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	7° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Auburn 39 km SW 119m alt. 1 hour ago	1° C	-	Calm (0 kph at 36).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	1° C	Fog -.	Calm (0 kph at 0).	1 km Low: few Mid: overcast
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	8° C	Dry and cloudy.	Calm (0 kph at 0).	11 km Low: scattered Mid: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	8° C	Dry and cloudy.	Light winds from the SSW (6 kph at 200).	13 km Low: broken Mid: broken High: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 55).
Seattle 49 km WSW 100m alt. 2 hours ago		-	Wind obs. (6 kph from 360 degs) was rejected.
SHIP8535 54 km W 15m alt. 3 hours ago			Calm (6 kph at 230).	- 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.