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

40°F

4°C

Humidity 54%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 09 Dec 10:38 PM PST
Extended Forecast for

39 Miles ESE Unionville NV

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southeast wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Southeast wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming west around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. East wind around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. East wind around 5 mph becoming west in the afternoon.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 39. Southeast wind around 5 mph.
Wednesday
Sunny, with a high near 57. Southeast wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 37. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 57. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 34. East wind around 5 mph.
Friday
Sunny, with a high near 55. East wind around 5 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
39 Miles ESE Unionville NV
 40.15°N 117.48°W (Elev. 5138 ft)
10:30 pm PST Dec 9, 2025
11pm 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