Heavy Rain and Snowmelt Threatens Flooding in Southeast and Mid-Atlantic; Strong Cold Front Presses Across the Northwest

A southern storm system will bring heavy to excessive rain from the Southeast to the Mid-Atlantic through Saturday with a secondary heavy rain threat area from the Lower Mississippi Valley into the Ohio Valley. Out West, a strong cold front will continue rain, mountain snow and gusty winds into Saturday morning. Another front will bring more unsettled weather to the region by Sunday. Read More >

Current conditions at

HELL HOLE (HLLC1)

Lat: 39.069711°NLon: 120.419886°WElev: 5240ft.

NA

34°F

1°C

Humidity 52%
Wind Speed NE 5 G 7 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 15 Dec 7:09 am PST
Extended Forecast for

2 Miles ENE Donner Summit CA

Winter Storm Watch December 16, 04:00pm until December 17, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Today

    Today: Mostly cloudy, with a high near 44. South southwest wind around 11 mph.

    Mostly Cloudy

    High: 44 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 28 °F

  • Sunday

    Sunday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 44. South wind 15 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Slight Chance
    Snow then
    Snow Likely

    High: 44 °F

  • Sunday
    Night

    Sunday Night: Snow.  Low around 29. South wind 17 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Snow

    Low: 29 °F

  • Monday

    Monday: Snow showers, mainly before 10am.  High near 37. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Snow Showers
    then Slight
    Chance Snow
    Showers

    High: 37 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 26.

    Mostly Cloudy

    Low: 26 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    Partly Sunny

    High: 45 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Partly Cloudy

    Low: 25 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    Partly Sunny

    High: 51 °F

Detailed Forecast

Today
Mostly cloudy, with a high near 44. South southwest wind around 11 mph.
Tonight
Mostly cloudy, with a low around 28. South wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 44. South wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Snow. Low around 29. South wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Monday
Snow showers, mainly before 10am. High near 37. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 49.
Click Map For Forecast
Point Forecast:
2 Miles ENE Donner Summit CA
 39.33°N 120.35°W (Elev. 7195 ft)
2:13 am PST Dec 15, 2018
8am PST Dec 15, 2018-6pm PST Dec 21, 2018
 
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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