Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

23°F

-5°C

Humidity 85%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 29 Dec 11:38 PM PST
Extended Forecast for

36 Miles SE Unionville NV

  • Tonight

    Tonight: Mostly clear, with a low around 27. East wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Northeast wind around 5 mph becoming calm  in the morning.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. East wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Snow level 4900 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 51. Southeast wind around 5 mph becoming calm.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 10pm.  Cloudy, with a low around 39. Southeast wind around 5 mph.

    Low: 39 °F

    Chance Rain

  • New Year's Day

    New Year's Day: A 50 percent chance of rain.  Mostly cloudy, with a high near 52. Calm wind becoming southwest around 5 mph.

    High: 52 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: A slight chance of rain.  Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 27. East wind around 5 mph.
Tuesday
Sunny, with a high near 50. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly cloudy, with a low around 31. East wind around 5 mph.
Wednesday
A 10 percent chance of rain after 4pm. Snow level 4900 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 51. Southeast wind around 5 mph becoming calm.
Wednesday Night
A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 39. Southeast wind around 5 mph.
New Year's Day
A 50 percent chance of rain. Mostly cloudy, with a high near 52. Calm wind becoming southwest around 5 mph.
Thursday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 37.
Friday
A slight chance of rain. Partly sunny, with a high near 56.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain, mainly before 4pm. Snow level 6500 feet. Partly sunny, with a high near 52.
Saturday Night
A slight chance of rain. Snow level 6100 feet. Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow. Snow level 5700 feet. Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
36 Miles SE Unionville NV
 40.12°N 117.59°W (Elev. 3848 ft)
9:15 pm PST Dec 29, 2025
11pm PST Dec 29, 2025-6pm PST Jan 5, 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