– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Thu 16 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 16 Jul Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Fri afternoon, min 12°C on Thu night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 33°C on Tue afternoon, min 16°C on Sun morning). Wind will be generally light.
	Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	clear	some clouds
km/h	WNW	WSW	SW	W	W	SE	WNW	NW	NE	NW	NW	ENE	NNW	WNW	E	WSW	NW	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.4	2	0.5	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	18	17	15	17	22	19	18	22	19	20	24	21	24	28	25	29	33	28
min °C	17	16	12	13	21	12	14	21	13	16	23	16	20	27	22	25	32	23
chill °C	17	16	12	13	21	12	14	21	13	16	23	16	20	27	22	25	32	23

Freezing level m	4000	4250	3950	3900	4000	4050	3850	3900	4050	4050	4100	4450	4600	4750	4850	4900	5000	5000
Cloud base (m)		600	400										9400			6350	5550	5600

	5:24	—	—	5:26	—	—	5:26	—	—	5:28	—	—	5:30	—	—	5:31	—	—
	—	—	8:59	—	—	8:58	—	—	8:57	—	—	8:55	—	—	8:54	—	—	8:53

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Fri afternoon, min 12°C on Thu night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 33°C on Tue afternoon, min 16°C on Sun 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
thunderstorm affecting North Bend 6 km WSW 173m alt. 2 hours ago		Thunderstorm
lightning 4km NNW of Fall City 17 km WNW 14m alt. 2 hours ago		Thunderstorm
lightning 5km ESE of Maple Valley 25 km SSW 209m alt. 3 hours ago		Thunderstorm
Renton 30 km WSW 160m alt. 3 hours ago	14° C	Dry	Calm (3 kph at 232).
lightning 6km NNE of Kent 34 km SW 144m alt. 3 hours ago		Thunderstorm
lightning 5km S of Covington 36 km SSW 88m alt. 3 hours ago		Thunderstorm
thunderstorm affecting Lea Hill 36 km SW 105m alt. 3 hours ago		Thunderstorm
Renton Airport 36 km WSW 218m alt. 1 hour ago	15° C	Light rain .	Light winds from the SSE (11 kph at 160).	10 km Mid: few High: few
Auburn 39 km SW 119m alt. 3 hours ago	29° C	Dry	Calm (2 kph at 289).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	14° C	Dry and partly cloudy.	Wind obs. (9 kph from 1 degs) was rejected.	16 km Low: 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.