National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

63°F

17°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Sep 09:55 AM PDT
Extended Forecast for

8 Miles SW Sisters OR

  • Today

    Today: Sunny, with a high near 75. Light east wind.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Light east wind.
Tonight
Mostly clear, with a low around 48. Calm wind.
Monday
Mostly sunny, with a high near 75. Calm wind.
Monday Night
Mostly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Partly sunny, with a high near 52.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Sisters OR
 44.19°N 121.64°W (Elev. 4800 ft)
Last Update:
10:22 am PDT Sep 20, 2026
Forecast Valid:
10am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
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Additional Resources

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Chance of Precipitation