Significant Storm Bringing Widespread Winter Weather and Heavy Rainfall Across the Eastern Half of the Country

A storm system moving into the Eastern parts of the country is bringing heavy snow across the Great Lakes and into the Mid-Atlantic and Northeast today. There is also the potential for significant ice accumulations across the northern Mid-Atlantic. To the south, heavy rainfall is producing flash flooding, and river flooding, from the Ohio and Mississippi Valleys to the Deep South. Read More >

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

Lat: 39.27611°NLon: 120.70806°WElev: 5282ft.

Lt Snow, Freezing Fog

25°F

-4°C

Humidity 92%
Wind Speed SW 6 MPH
Barometer 29.77 in (1011.2 mb)
Dewpoint 23°F (-5°C)
Visibility 0.25 mi
Wind Chill18°F (-8°C)
Last update 20 Feb 11:52 am PST
Extended Forecast for

Donner Summit CA

Winter Weather Advisory until February 20, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 20, 10:00pm

    NOW until
    10:00pm Wed

    Winter Weather Advisory

  • This
    Afternoon

    This Afternoon: Snow showers.  High near 28. West wind around 11 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 7 inches possible.

    Snow Showers

    High: 28 °F

  • Tonight

    Tonight: Snow showers likely, mainly before 10pm.  Mostly cloudy, with a low around 12. North northeast wind around 6 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Showers
    Likely then
    Chance Snow
    Showers

    Low: 12 °F

  • Thursday

    Thursday: A 20 percent chance of snow showers.  Partly sunny, with a high near 28. Wind chill values as low as zero. Northeast wind 10 to 13 mph, with gusts as high as 18 mph.

    Slight Chance
    Snow Showers

    High: 28 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of snow showers before 10pm.  Partly cloudy, with a low around 9. Wind chill values as low as -3. East northeast wind 9 to 11 mph.

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

    Low: 9 °F

  • Friday

    Friday: Mostly sunny, with a high near 35. Southeast wind 5 to 9 mph.

    Mostly Sunny

    High: 35 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 14.

    Partly Cloudy

    Low: 14 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    Mostly Sunny

    High: 35 °F

  • Saturday
    Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 21.

    Chance Snow

    Low: 21 °F

Detailed Forecast

This Afternoon
Snow showers. High near 28. West wind around 11 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 12. North northeast wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow showers. Partly sunny, with a high near 28. Wind chill values as low as zero. Northeast wind 10 to 13 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 9. Wind chill values as low as -3. East northeast wind 9 to 11 mph.
Friday
Mostly sunny, with a high near 35. Southeast wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 21.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 33.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 19.
Monday
A chance of snow showers. Partly sunny, with a high near 34.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Tuesday
A chance of snow showers. Partly sunny, with a high near 36.
Click Map For Forecast
Point Forecast:
Donner Summit CA
 39.33°N 120.4°W (Elev. 6394 ft)
3:37 am PST Feb 20, 2019
12pm PST Feb 20, 2019-6pm PST Feb 26, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database