– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Tue 09 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 09 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 42mm), heaviest during Tue morning. Very mild (max 18°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 28°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light.
	Tuesday 9			Wednesday 10			Thursday 11			Friday 12			Saturday 13			Sunday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	rain shwrs	light rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	WSW	WSW	WSW	WNW	NNW	ENE	NW	NW	NE	NW	NW	ENE	NW	NNW	ESE	NW	NW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	29	5	4	2	0.8	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	10	8	9	13	12	15	18	15	16	19	17	20	24	20	26	28	25
min °C	9	10	7	7	11	7	11	18	10	13	18	11	16	23	17	22	28	20
chill °C	6	7	4	6	10	7	11	18	10	13	18	11	16	23	17	22	28	20

Freezing level m	1950	1900	1550	1700	2700	3350	3200	3250	3550	3500	3650	3850	3750	4050	4200	4250	4400	4500
Cloud base (m)	400	650	400	500	950		8700				9450		9350		9600	9600

	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:01	—	—	9:02	—	—	9:02	—	—	9:04	—	—	9:04	—	—	9:05

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 42mm), heaviest during Tue morning. Very mild (max 18°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 28°C on Sun afternoon, min 11°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
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 337).
Snoqualmie Pass 30 km ESE 824m alt. 30 minutes ago	9° C	-	Calm (0 kph at 142).
Renton 30 km WSW 160m alt. 2 hours ago	11° C	Light rain.	Calm (2 kph at 226).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (0 kph at 0).
Grotto wx 35 km NE 321m alt. 31 minutes ago	10° C	Dry	Light winds from the WSW (8 kph at 251).
Renton Airport 36 km WSW 218m alt. 1 hour ago	12° C	-	Calm (0 kph at 0).	0.0 km
Grotto wx 39 km NE 1101m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 90).
Auburn 39 km SW 119m alt. 1 hour ago		-	Calm (0 kph at 34).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	6° C	Moderate rain .	Wind obs. (9 kph from 260 degs) was rejected.	1 km
SHIP8610 42 km WSW 15m alt. 3 hours ago				- 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.