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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

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

NA

23°F

-5°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 21 Jan 10:55 PM PST
Extended Forecast for

10 Miles W Sisters OR

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 34. West wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. West wind around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. West wind around 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 23. Northeast wind 9 to 17 mph, with gusts as high as 22 mph.

    High: 23 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 15. East wind 14 to 17 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 34. West wind around 7 mph.
Thursday
Mostly sunny, with a high near 39. West wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 18. West wind around 6 mph.
Friday
Sunny, with a high near 23. Northeast wind 9 to 17 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 15. East wind 14 to 17 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 26.
Monday
A slight chance of snow before 10am. Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 29.
Wednesday
A chance of snow. Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Sisters OR
 44.26°N 121.75°W (Elev. 6411 ft)
Last Update:
9:27 pm PST Jan 21, 2026
Forecast Valid:
11pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation