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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

SIARD (SIAN2)

Lat: 40.39433°NLon: 117.62567°WElev: 4600.0ft.

NA

34°F

1°C

Humidity 92%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 01 Jan 06:38 AM PST
Extended Forecast for

35 Miles ESE Unionville NV

  • New Year's Day

    New Year's Day: Rain. High near 46. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 7pm. Snow level 7500 feet lowering to 6900 feet after midnight . Cloudy during the early evening, then gradual clearing, with a low around 34. Southwest wind around 10 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. South wind 5 to 10 mph becoming southeast in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. Southeast wind 10 to 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 7000 feet. Partly sunny, with a high near 48. South wind around 15 mph.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm. Snow level 6700 feet. Mostly cloudy, with a low around 34. South wind around 15 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 10am. Snow level 6800 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Snow level 6700 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Monday

    Monday: A chance of rain and snow. Snow level 6000 feet. Partly sunny, with a high near 43.

    High: 43 °F

    Chance
    Rain/Snow

Detailed Forecast

New Year's Day
Rain. High near 46. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Tonight
Rain likely, mainly before 7pm. Snow level 7500 feet lowering to 6900 feet after midnight . Cloudy during the early evening, then gradual clearing, with a low around 34. Southwest wind around 10 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 47. South wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 34. Southeast wind 10 to 15 mph.
Saturday
A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 7000 feet. Partly sunny, with a high near 48. South wind around 15 mph.
Saturday Night
A 20 percent chance of rain before 10pm. Snow level 6700 feet. Mostly cloudy, with a low around 34. South wind around 15 mph.
Sunday
A 30 percent chance of rain after 10am. Snow level 6800 feet. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Snow level 6700 feet. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Snow level 6000 feet. Partly sunny, with a high near 43.
Monday Night
A slight chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of snow. Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
35 Miles ESE Unionville NV
 40.31°N 117.45°W (Elev. 5312 ft)
Last Update:
1:15 am PST Jan 1, 2026
Forecast Valid:
6am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

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Chance of Precipitation