– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Thu 22 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 22 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Temperatures will be below freezing (max -5°C on Sat night, min -8°C on Thu night). Winds decreasing (near gales from the NW on Thu night, light winds from the WNW by Sat night).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -4°C on Mon night, min -9°C on Sun night). Winds increasing (light winds from the SW on Mon night, gales from the WSW by Wed afternoon).
		Friday 23			Saturday 24			Sunday 25			Monday 26			Tuesday 27			Wednesday 28
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	clear	clear	clear	clear	clear	clear	cloudy	cloudy	some clouds	light snow	some clouds	clear	some clouds	some clouds	some clouds	some clouds	some clouds	mod. snow
km/h	NNW	NNE	NE	NE	NE	NNE	NW	WSW	WSW	WSW	W	W	SW	SW	SW	WSW	WSW	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	3	—	—	—	—	—	—	—	9
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-7	-7	-7	-6	-6	-5	-5	-6	-6	-8	-8	-4	-5	-7	-7	-7	-6	-6
min °C	-8	-8	-8	-7	-6	-6	-5	-6	-6	-9	-9	-9	-6	-5	-7	-8	-8	-8	-6
chill °C	-16	-15	-17	-16	-15	-13	-10	-11	-14	-21	-19	-19	-12	-13	-18	-19	-19	-20	-18

Freezing level m	1800	1400	1250	600	1900	2100	1650	2200	2200	1800	1550	1850	1400	2250	2150	1700	2100	2050	1700
Cloud base (m)	1850	1800				8300			6250	3650	2250	1900	2500			2050	1950	2050	1800

	—	7:33	—	—	7:31	—	—	7:31	—	—	7:30	—	—	7:28	—	—	7:28	—	—
	—	—	5:05	—	—	5:06	—	—	5:07	—	—	5:08	—	—	5:09	—	—	5:10	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be below freezing (max -5°C on Sat night, min -8°C on Thu night). Winds decreasing (near gales from the NW on Thu night, light winds from the WNW by Sat night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -4°C on Mon night, min -9°C on Sun night). Winds increasing (light winds from the SW on Mon night, gales from the WSW by Wed 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. 35 minutes ago	-4° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 31 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago		-	Calm (0 kph at 340).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		-	Moderate winds from the NNE (22 kph at 30).	8 km Low: overcast
Bend 37 km SSE 1297m alt. 42 minutes ago	-2° C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago		-	Calm (0 kph at 333).
Bend wx 39 km E 1118m alt. 1 hour ago	-4° C	-	Calm (3 kph at 333).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 115).
Deschutes River Woods wx 40 km ESE 1185m alt. 55 minutes ago		-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 57 minutes ago		-	Calm (5 kph at 303).

* 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.