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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

39°F

4°C

Humidity 55%
Wind Speed NA 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 17 Mar 02:55 AM PDT
Extended Forecast for

Sisters OR

  • Today

    Today: Partly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. West wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 41. Light and variable wind.
Wednesday
Mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45.
Friday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 68.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 28.
Monday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sisters OR
 44.29°N 121.55°W (Elev. 3199 ft)
Last Update:
4:15 am PDT Mar 17, 2026
Forecast Valid:
4am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation