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

19 Miles SE Unionville NV

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northeast wind around 10 mph.

    Low: 30 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 42. North wind 5 to 10 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 28. Northeast wind 5 to 10 mph.

    Low: 28 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. East wind around 5 mph becoming west in the afternoon.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Southwest wind 5 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Southwest wind 5 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °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 30. Northeast wind around 10 mph.
M.L.King Day
Sunny, with a high near 42. North wind 5 to 10 mph.
Monday Night
Clear, with a low around 28. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 40. East wind around 5 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 29. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 41. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Unionville NV
 40.29°N 117.83°W (Elev. 7169 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