Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

29°F

-2°C

Humidity 84%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 18 Jan 11:38 PM PST
Extended Forecast for

35 Miles ESE Unionville NV

  • Tonight

    Tonight: Mostly clear, with a low around 26. North wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 45. Northeast wind around 5 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. East wind around 5 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. South wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Southwest wind around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. North wind around 5 mph.
M.L.King Day
Sunny, with a high near 45. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 25. East wind around 5 mph.
Tuesday
Sunny, with a high near 46. Southeast wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 27. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 47. Southwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
35 Miles ESE Unionville NV
 40.31°N 117.45°W (Elev. 5312 ft)
9:15 pm PST Jan 18, 2026
11pm PST Jan 18, 2026-6pm PST Jan 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