– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Wed 11 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 11 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 8°C on Wed afternoon, min 2°C on Fri afternoon). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Mon afternoon, min -1°C on Sun afternoon). Wind will be generally light.
	Wed 11		Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	cloudy	light rain	light snow	light snow	light rain	light rain	cloudy	some clouds	clear	some clouds	some clouds	some clouds	some clouds
km/h	NW	SE	SW	SW	SSW	SSW	WSW	SW	WSW	NNW	NNW	NW	NW	E	ESE	ESE	E
See all weather maps
cm	—	—	—	—	—	—	3	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	3	4	—	1	0.7	—	—	—	—	—	—	—
max °C	8	4	8	7	5	4	3	2	3	2	2	2	2	0	7	8	6
min °C	5	4	6	4	4	4	2	2	2	2	0	1	-1	-1	5	4	4
chill °C	4	4	5	3	2	2	0	1	2	2	0	1	-1	-3	2	1	2

Freezing level m	1950	2050	1500	1400	1250	1150	1050	800	900	850	700	650	800	0	1450	1800	1900
Cloud base (m)	8800			7450	950	500	400	400	450	400	400	450	600	400	6400		2700

	—	—	7:16	—	—	7:15	—	—	7:13	—	—	7:11	—	—	7:09	—	—
	5:23	—	—	5:24	—	—	5:27	—	—	5:29	—	—	5:30	—	—	5:31	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 8°C on Wed afternoon, min 2°C on Fri afternoon). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Mon afternoon, min -1°C on Sun afternoon). 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. 27 minutes ago	5° C	Dry	Calm (0 kph at 333).
Renton Airport 36 km WSW 218m alt. 2 hours ago	11° C	Clear	Light winds from the NNW (17 kph at 330).	16 km
Auburn 39 km SW 119m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 105).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	1° C	Moderate rain .	Calm (0 kph at 0).	16 km
SHIP9686 43 km W 3m alt. 3 hours ago	13° C
SHIP8953 43 km W 15m alt. 3 hours ago				- km
SHIP7817 43 km W 3m alt. 3 hours ago	13° C
SHIP8273 43 km W 15m alt. 2 hours ago				- km
SHIP1735 43 km W 15m alt. 3 hours ago				- km
SHIP6098 43 km W 3m alt. 2 hours ago	12° C

* 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.