Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

619Line-Sierra Valley West (LIB10)

Lat: 39.75937°NLon: 120.37408°WElev: 4884.0ft.

NA

39°F

4°C

Humidity 48%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 18 Oct 10:50 PM PDT
Extended Forecast for

6 Miles WNW Sierraville CA

  • Tonight

    Tonight: Mostly clear, with a low around 40. South wind 10 to 15 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. South wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. South wind around 5 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain.  Snow level 9000 feet. Mostly cloudy, with a low around 37. Calm wind becoming west around 5 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Snow level 8800 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 50. East wind around 5 mph becoming calm.  Chance of precipitation is 70%.

    High: 50 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 9200 feet lowering to 8700 feet after midnight . Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Thursday

    Thursday: Rain likely.  Snow level 8400 feet. Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain.  Snow level 8300 feet. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 40. South wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 39. South wind 5 to 10 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 55. South wind around 5 mph.
Tuesday Night
A 40 percent chance of rain. Snow level 9000 feet. Mostly cloudy, with a low around 37. Calm wind becoming west around 5 mph.
Wednesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Snow level 8800 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 50. East wind around 5 mph becoming calm. Chance of precipitation is 70%.
Wednesday Night
Rain. Snow level 9200 feet lowering to 8700 feet after midnight . Low around 35. Chance of precipitation is 80%.
Thursday
Rain likely. Snow level 8400 feet. Mostly cloudy, with a high near 44.
Thursday Night
A chance of rain. Snow level 8300 feet. Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Snow level 8000 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 31. Breezy.
Sunday
A chance of rain and snow. Snow level 6900 feet rising to 7700 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Sierraville CA
 39.63°N 120.48°W (Elev. 6549 ft)
4:30 pm PDT Oct 18, 2026
11pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
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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