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

25°F

-4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 21 Jan 03:55 PM PST
Extended Forecast for

6 Miles NW Sisters OR

  • Tonight

    Tonight: Partly cloudy during the early evening, then becoming cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Becoming
    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy during the early evening, then becoming cloudy, with a low around 15. Calm wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 42. Calm wind.
Thursday Night
Mostly cloudy, with a low around 15. Calm wind.
Friday
Mostly sunny, with a high near 31. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 11. Calm wind.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Sisters OR
 44.34°N 121.65°W (Elev. 3422 ft)
Last Update:
3:20 pm PST Jan 21, 2026
Forecast Valid:
5pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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