– Lat/Long: 47.51° N 121.74° W

Mount Si Weather Forecast

Cascade Range · United States

Issued: 9 pm Sun 08 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 9 pm Sun 08 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 28mm), heaviest during Tue afternoon. Very mild (max 17°C on Wed morning, min 6°C on Sun night). Wind will be generally light.										Days 5–7 Weather Summary Heavy rain (total 27mm), heaviest during Fri night. Very mild (max 15°C on Thu morning, min 7°C on Fri night). Wind will be generally light.
		Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	cloudy	mod. rain	rain shwrs	light rain	heavy rain	light rain	some clouds	some clouds	some clouds	clear	some clouds	some clouds	light rain	mod. rain	heavy rain
Cloud base (m)	5650	2150	1800	500	750	450	2550	2050	6800	6900	8300	6850	6800	3450	1650	450
km/h	SE	SE	SE	SSW	SSE	SSE	SSE	SSE	SSE	SSE	SSW	SE	ESE	SSE	SSE	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	—	8	3	5	12	0.3	—	—	—	—	—	—	0.1	6	11
max °C	7	12	8	8	9	10	12	17	15	12	15	13	12	13	9	8
min °C	6	10	8	7	8	9	11	14	12	11	14	12	11	11	8	7
chill °C	4	9	5	6	6	8	10	13	11	11	14	12	9	10	6	4

Freezing level m	2050	2100	2200	1900	2600	2750	3050	3100	3100	2950	2850	2750	2950	2550	1900	1650

	—	7:03	—	—	7:03	—	—	7:05	—	—	7:07	—	—	7:09	—	—
	—	—	4:37	—	—	4:36	—	—	4:35	—	—	4:34	—	—	4:31	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 28mm), heaviest during Tue afternoon. Very mild (max 17°C on Wed morning, min 6°C on Sun night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 27mm), heaviest during Fri night. Very mild (max 15°C on Thu morning, min 7°C on Fri 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
Renton Airport 36 km WSW 21m alt. 2 hours ago	8°C	Clear	Calm (0 kph at 0).	16 km
Auburn 39 km SW 119m alt. 56 minutes ago	-1°C	-	Calm (0 kph at 257).
Stampede Pass Airport 40 km SE 1208m alt. 2 hours ago	1°C	Mist -.	Calm (0 kph at 0).	3 km
SHIP3629 43 km W 15m alt. 3 hours ago			Calm (2 kph at 350).	- km
Seattl / oeing Airport 44 km WSW 4m alt. 2 hours ago	8°C	Clear	Calm (0 kph at 0).	16 km
SHIP8195 43 km W 3m alt. 3 hours ago	10°C		Calm (2 kph at 350).
SHIP9030 43 km W 15m alt. 3 hours ago			Calm (2 kph at 350).	- km
SHIP2716 43 km W 3m alt. 2 hours ago	10°C		Calm (2 kph at 20).
SHIP1974 43 km W 3m alt. 3 hours ago	10°C		Calm (2 kph at 350).
SHIP4807 43 km W 15m alt. 3 hours ago			Calm (2 kph at 350).	- 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.