– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 03 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 54mm), heaviest during Tue night. Mild temperatures (max 8°C on Tue morning, min 2°C on Thu morning). Wind will be generally light.									Days 4–6 Weather Summary Moderate rain (total 11mm), heaviest on Sun afternoon. Mild temperatures (max 8°C on Sat night, min 1°C on Sun night). Wind will be generally light.
	Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	mod. rain	heavy rain	rain shwrs	light rain	heavy rain	light rain	light rain	light rain	light rain	rain shwrs	light rain	light rain	light rain	light rain	light rain	light rain	light rain
km/h	SSW	SW	SSW	SW	WNW	WSW	WSW	NNW	WNW	WNW	WSW	SW	SW	WSW	SW	WSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	1.9	7	14	4	4	13	4	3	2	0.2	0.1	2	0.6	0.6	2	1.6	3	0.8
max °C	8	7	7	7	7	5	3	3	4	7	7	6	7	7	8	8	8	6
min °C	8	7	5	6	6	3	2	3	3	5	6	5	7	7	7	8	8	1
chill °C	6	4	2	4	5	1	-1	2	3	5	6	5	7	6	6	5	5	0

Freezing level m	1800	1600	1450	1400	1400	1000	900	950	1050	1200	1450	1700	3300	2850	2050	2100	2000	850
Cloud base (m)	500	400	400	400	700	450	550	500	450	500	650	500	450	450	450	450	400	600

	6:43	—	—	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—	7:33	—	—
	—	5:54	—	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—	—	7:01	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 54mm), heaviest during Tue night. Mild temperatures (max 8°C on Tue morning, min 2°C on Thu morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 11mm), heaviest on Sun afternoon. Mild temperatures (max 8°C on Sat night, min 1°C on Sun 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	13° C	Dry	Calm (0 kph at 121).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (5 kph at 53).
Renton Airport 36 km WSW 218m alt. 1 hour ago	9° C	Light rain .	Light winds from the S (7 kph at 170).	8 km Mid: few High: broken
Auburn 39 km SW 119m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 132).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	4° C	Light rain .	Calm (0 kph at 0).	14 km Low: few Mid: broken High: overcast
SHIP4298 42 km WSW 3m alt. 2 hours ago	9° C		Light winds from the SSE (13 kph at 160).
SHIP6670 42 km WSW 15m alt. 2 hours ago			Light winds from the SSE (13 kph at 160).	- km
SHIP4888 42 km WSW 15m alt. 3 hours ago			Light winds from the S (12 kph at 170).	- km
SHIP8500 42 km WSW 15m alt. 3 hours ago			Light winds from the S (12 kph at 170).	- km
SHIP2696 42 km WSW 15m alt. 3 hours ago			Light winds from the S (12 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.