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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

28°F

-2°C

Humidity 86%
Wind Speed NE 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 28 Jan 03:55 AM PST
Extended Forecast for

5 Miles ESE Mt Jefferson OR

  • Today

    Today: A 50 percent chance of snow after 7am. Mostly cloudy, with a high near 34. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Total daytime snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Snow. Low around 33. Southwest wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 33 °F

    Snow

  • Thursday

    Thursday: Snow before 1pm, then a chance of rain and snow. Snow level rising to 6300 feet in the afternoon. High near 39. Southwest wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of rain between 7pm and 4am, then a slight chance of rain and snow after 4am. Snow level 6700 feet. Mostly cloudy, with a low around 37. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow, mainly after 10am. Snow level 6000 feet. Mostly cloudy, with a high near 44. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 7pm, then a chance of rain. Snow level 6700 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am. Snow level 6400 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Snow likely, possibly mixed with rain, mainly after 4pm. Snow level 5800 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
A 50 percent chance of snow after 7am. Mostly cloudy, with a high near 34. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. Low around 33. Southwest wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday
Snow before 1pm, then a chance of rain and snow. Snow level rising to 6300 feet in the afternoon. High near 39. Southwest wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 7pm, then a chance of rain between 7pm and 4am, then a slight chance of rain and snow after 4am. Snow level 6700 feet. Mostly cloudy, with a low around 37. Southwest wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of rain and snow, mainly after 10am. Snow level 6000 feet. Mostly cloudy, with a high near 44. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow before 7pm, then a chance of rain. Snow level 6700 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
A 30 percent chance of rain after 4am. Snow level 6400 feet. Mostly cloudy, with a low around 33.
Sunday
Snow likely, possibly mixed with rain, mainly after 4pm. Snow level 5800 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 31.
Monday
A chance of snow. Partly sunny, with a high near 39.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mt Jefferson OR
 44.67°N 121.68°W (Elev. 5771 ft)
Last Update:
3:17 am PST Jan 28, 2026
Forecast Valid:
4am PST Jan 28, 2026-6pm PST Feb 3, 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