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

3 Miles ENE Unionville NV

  • Overnight

    Overnight: A chance of snow before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 26. North wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 7am. Snow level 4700 feet rising to 5400 feet in the afternoon. Mostly sunny, with a high near 47. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57. South wind around 5 mph.

    High: 57 °F

    Partly Sunny

  • Friday Night

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

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 26. North wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 7am. Snow level 4700 feet rising to 5400 feet in the afternoon. Mostly sunny, with a high near 47. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 26. Calm wind.
Thursday
Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph.
Thursday Night
Partly cloudy, with a low around 29. Calm wind.
Friday
Partly sunny, with a high near 57. South wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Unionville NV
 40.46°N 118.07°W (Elev. 4432 ft)
Last Update:
1:45 am PST Jan 28, 2026
Forecast Valid:
3am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation