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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

35°F

2°C

Humidity 59%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 30 Dec 10:38 AM PST
Extended Forecast for

30 Miles SE Unionville NV

  • Today

    Today: Sunny, with a high near 47. Calm wind.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. North wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. East wind around 5 mph becoming calm.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Cloudy, with a low around 38. East wind around 5 mph.

    Low: 38 °F

    Chance Rain

  • New Year's Day

    New Year's Day: A 40 percent chance of rain. Mostly cloudy, with a high near 51. Southeast wind around 5 mph becoming south in the afternoon.

    High: 51 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 4pm. Snow level 6300 feet. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 47. Calm wind.
Tonight
Mostly cloudy, with a low around 30. North wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 49. East wind around 5 mph becoming calm.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 38. East wind around 5 mph.
New Year's Day
A 40 percent chance of rain. Mostly cloudy, with a high near 51. Southeast wind around 5 mph becoming south in the afternoon.
Thursday Night
Mostly cloudy, with a low around 37. South wind around 5 mph.
Friday
Partly sunny, with a high near 56.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Saturday
A chance of rain, mainly before 4pm. Snow level 6300 feet. Partly sunny, with a high near 52.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of snow after 4am. Snow level 5900 feet. Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow. Snow level 5400 feet. Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A slight chance of rain. Snow level 5500 feet. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
30 Miles SE Unionville NV
 40.15°N 117.68°W (Elev. 3996 ft)
Last Update:
9:15 am PST Dec 30, 2025
Forecast Valid:
10am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

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Chance of Precipitation