– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 am Mon 26 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 26 Jan Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 22mm), heaviest during Wed night. Mild temperatures (max 9°C on Tue morning, min 3°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Moderate rain (total 18mm), heaviest on Thu night. Very mild (max 12°C on Sat morning, min 6°C on Thu morning). Wind will be generally light.
	Monday 26			Tuesday 27			Wednesday 28			Thursday 29			Friday 30			Saturday 31
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	cloudy	cloudy	light rain	light rain	light rain	heavy rain	light rain	light rain	mod. rain	cloudy	light rain	light rain	some clouds	cloudy	light rain
km/h	SSW	WSW	SSE	ESE	ESE	SSE	SSW	SSE	S	S	S	S	S	S	SW	SSE	ESE	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	3	4	4	12	4	2	8	—	2	1.8	—	—	0.1
max °C	8	7	5	9	8	5	8	5	6	6	7	8	10	8	9	12	12	8
min °C	6	4	4	7	4	3	5	5	6	6	7	7	9	8	8	11	9	8
chill °C	5	3	3	5	2	1	4	4	4	4	6	5	7	6	7	11	8	7

Freezing level m	1600	1500	1700	2250	2350	1250	1450	1400	1600	1800	2100	2200	2300	2150	2300	2500	2550	2350
Cloud base (m)	3100	2750	2900	5300	5300	2700	500	800	450	450	450	450	4100	2050	450	950	1750

	7:39	—	—	7:39	—	—	7:37	—	—	7:35	—	—	7:35	—	—	7:33	—	—
	—	4:59	—	—	5:00	—	—	5:01	—	—	5:04	—	—	5:05	—	—	5:07	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 22mm), heaviest during Wed night. Mild temperatures (max 9°C on Tue morning, min 3°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 18mm), heaviest on Thu night. Very mild (max 12°C on Sat morning, min 6°C on Thu morning). 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 218m alt. 2 hours ago	2° C	Dry and cloudy.	Light winds from the SSE (7 kph at 150).	16 km Low: overcast
Auburn 39 km SW 119m alt. 2 hours ago	4° C	Dry	Calm (2 kph at 70).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	-5° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
SHIP8976 43 km W 3m alt. 2 hours ago
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	3° C	Dry and cloudy.	Light winds from the S (7 kph at 170).	16 km Low: overcast
SHIP8536 43 km W 15m alt. 2 hours ago				- km
SHIP4029 43 km W 15m alt. 3 hours ago				- km
SHIP9033 43 km W 15m alt. 3 hours ago				- km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	3° C	Dry and cloudy.	Light winds from the S (7 kph at 170).	16 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	3° C	Dry and partly cloudy.	Light winds from the SSE (6 kph at 150).	16 km Low: few Mid: broken High: broken

* 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.