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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

34°F

1°C

Humidity 58%
Wind Speed NE 10 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 27 Dec 06:38 PM PST
Extended Forecast for

42 Miles SE Unionville NV

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Northwest wind around 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 28. Northeast wind 5 to 10 mph.

    High: 28 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. East wind 10 to 15 mph.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. North wind 5 to 10 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 25. East wind around 10 mph.

    Low: 25 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34. East wind 5 to 10 mph becoming northwest in the afternoon.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Northwest wind around 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 28. Northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 22. East wind 10 to 15 mph.
Monday
Sunny, with a high near 31. North wind 5 to 10 mph.
Monday Night
Clear, with a low around 25. East wind around 10 mph.
Tuesday
Sunny, with a high near 34. East wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 32.
New Year's Day
A slight chance of snow between 10am and 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 39.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Friday
A chance of snow. Mostly cloudy, with a high near 38. Breezy.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
42 Miles SE Unionville NV
 40.03°N 117.54°W (Elev. 7513 ft)
Last Update:
1:18 pm PST Dec 27, 2025
Forecast Valid:
7pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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