Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

46°F

8°C

Humidity 47%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 09 Dec 09:38 PM PST
Extended Forecast for

3 Miles ENE Unionville NV

  • Tonight

    Tonight: Mostly clear, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. South wind around 5 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. South wind around 5 mph becoming calm.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. Calm wind becoming northeast around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Calm wind.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. South wind around 5 mph.
Wednesday
Sunny, with a high near 59. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 30. Calm wind.
Thursday
Sunny, with a high near 59. South wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 26. Calm wind becoming northeast around 5 mph.
Friday
Sunny, with a high near 56. Calm wind.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Unionville NV
 40.46°N 118.07°W (Elev. 4432 ft)
3:30 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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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