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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

33°F

1°C

Humidity 59%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 28 Jan 02:38 AM PST
Extended Forecast for

42 Miles SE Unionville NV

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. Southwest wind around 15 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 35. West wind around 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Slight Chance
    Snow then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. South wind around 10 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. West wind around 10 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. East wind around 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45. East wind around 10 mph becoming west in the afternoon.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Southwest wind around 15 mph.
Wednesday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 35. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 30. South wind around 10 mph.
Thursday
Mostly sunny, with a high near 39. West wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 32. East wind around 10 mph.
Friday
Partly sunny, with a high near 45. East wind around 10 mph becoming west in the afternoon.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 44.
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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:
1:45 am PST Jan 28, 2026
Forecast Valid:
2am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation