– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Thu 12 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 12 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max -4°C on Thu afternoon, min -10°C on Sat afternoon). Winds increasing (moderate winds from the NW on Thu afternoon, gales from the SW by Sat morning).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Tue morning. Temperatures will be well below freezing (max -8°C on Sun night, min -16°C on Tue afternoon). Winds increasing (light winds from the SW on Sun morning, near gales from the SSW by Mon afternoon).
	Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	cloudy	some clouds	snow shwrs	light snow	light snow	cloudy	clear	snow shwrs	some clouds	cloudy	light snow	snow shwrs	snow shwrs	snow shwrs	clear
km/h	WNW	NW	W	WSW	WSW	WSW	SW	SW	SW	SW	WSW	SW	SSW	S	SSW	SSE	SW	SW
See all weather maps
cm	—	—	—	—	—	1	3	1	—	—	1	—	—	1	8	8	3	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-4	-4	-6	-8	-8	-8	-9	-9	-10	-9	-8	-8	-9	-10	-13	-16	-16
min °C	-6	-5	-6	-7	-9	-9	-8	-10	-10	-10	-9	-9	-8	-9	-12	-13	-16	-16
chill °C	-14	-13	-15	-18	-21	-21	-20	-22	-19	-18	-18	-19	-19	-20	-25	-25	-28	-29

Freezing level m	2150	2250	1100	2050	1900	1350	1700	1900	1400	1850	1950	1400	1950	2000	1300	1400	1050	250
Cloud base (m)	2000	2050	1750	5850		1950	1800	1800	2250	2400	2150	1950	1900	2200	1850	1800	1850	2050

	7:09	—	—	7:09	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:03	—	—
	—	5:31	—	—	5:34	—	—	5:35	—	—	5:36	—	—	5:37	—	—	5:38	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max -4°C on Thu afternoon, min -10°C on Sat afternoon). Winds increasing (moderate winds from the NW on Thu afternoon, gales from the SW by Sat morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue morning. Temperatures will be well below freezing (max -8°C on Sun night, min -16°C on Tue afternoon). Winds increasing (light winds from the SW on Sun morning, near gales from the SSW by Mon afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. 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 Oregon.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-6° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 37 minutes ago		Dry
Bend 34 km E 1164.6m alt. 31 minutes ago	2° C	-	Wind obs. (13 kph from 174 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-4° C	Clear	Wind obs. (9 kph from 160 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 31 minutes ago	-2° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	-4° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (2 kph at 181).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-3° C	-	Calm (2 kph at 198).
Bend 40 km E 1102m alt. 2 hours ago	-7° C	-	Calm (0 kph at 281).
Rainbow wx 41 km WSW 410m alt. 53 minutes ago	4° C	Dry	Light winds from the S (8 kph at 175).

* 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.